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XRDB: eXtended Ratings DataBase

XRDB, eXtended Ratings DataBase, generates poster, backdrop, thumbnail, and logo artwork with dynamic ratings, quality badges, and export ready integrations.

Note

XRDB, eXtended Ratings DataBase, is built by IbbyLabs for artwork workflows, media tools, and addon integrations.

Tip

Changelog: read the full changelog or jump straight to the latest entry.

Priorities

Current priorities for XRDB, eXtended Ratings DataBase:

  1. Better quality badges from more providers, not only one source.
  2. Smarter fallback so images still load when one provider is slow or down.
  3. UUID account saves with password login so settings can be restored on any device.
  4. Cache warming for startup and background updates so popular content is ready faster.
  5. Poster cache warming controls to reduce first load delay.
  6. More control for output sizes for poster backdrop and logo.
  7. Ongoing speed and reliability work for public and private setups.

Release approach

  1. Release work in clear stages.
  2. Use safe rollout switches for risky changes.
  3. Verify both movie and series flows before release.
  4. Track speed and error rates after each stage.
  5. Keep rollback paths simple.

Quick Start

Install From GitHub

git clone https://github.com/IbbyLabs/XRDB
cd XRDB

Use Node 22.x locally. The repo now includes .nvmrc and .node-version so native packages such as better-sqlite3 stay aligned with CI and release scripts.

  1. Install dependencies: sudo npm install
  2. Build: npm run build
  3. Start the app: npm run start
  4. App available at http://localhost:3000

Stateless Architecture & API Keys (BYOK)

XRDB is designed with a Bring Your Own Key (BYOK) stateless architecture. This means that the XRDB server itself does not permanently store or centrally manage your TMDB, MDBList, or optional Fanart API keys. Instead:

  1. Keys are saved locally in your browser's localStorage when using the configurator UI.
  2. Keys are embedded directly into your generated URLs (tmdbKey=...&mdblistKey=...&fanartKey=...) and Addon proxy Base64 configurations when present.
  3. The server solely reads these keys from incoming requests to fetch source addon metadata on the fly.

This intentional design allows you to host public XRDB proxy instances without paying for massive shared API usage, as every connected addon or user brings their own API key and rate limits. The visibility of keys in URLs and the configurator UI is expected behavior.

The configurator includes an AIOMetadata export section that generates ready to use URL patterns for custom art override fields in AIOMetadata compatible addons. The Hide credentials toggle masks exported AIOMetadata patterns with placeholders without changing live XRDB request URLs. The Poster ID source selector controls whether poster URLs use auto mode (typed TMDB IDs for the broadest coverage), explicit TMDB, or IMDb IDs for compatibility. Background and logo patterns always use type aware TMDB IDs, and episode thumbnails use the selected episode ID mode with season and episode placeholders plus their own thumbnail scoped ratings, artwork, text, and layout settings.

Optional server side client ids can extend a few providers beyond the BYOK flow. XRDB_MAL_CLIENT_ID enables the official MyAnimeList API path for direct myanimelist ratings, XRDB_TRAKT_CLIENT_ID enables direct trakt ratings, and SIMKL_CLIENT_ID (or XRDB_SIMKL_CLIENT_ID) enables direct simkl ratings server wide. A user supplied simklClientId query parameter takes precedence over the server key for SIMKL. When the MAL client id is not configured, XRDB falls back to Jikan for direct myanimelist lookups before falling back to MDBList whenever a mdblistKey is present. Fanart backed artwork can also use a server fallback key from XRDB_FANART_API_KEY or FANART_API_KEY, but a user supplied fanartKey is preferred when available. OMDb poster lookups use the server side OMDB_KEY by default and also accept OMDB_API_KEY or XRDB_OMDB_API_KEY.

For simkl, XRDB resolves a Simkl item id using https://api.simkl.com/redirect and then loads the summary from https://api.simkl.com/movies/{id}, https://api.simkl.com/tv/{id}, or https://api.simkl.com/anime/{id} based on media type hints. Every Simkl request includes client_id, app-name, and app-version query parameters, plus simkl-api-key and a browser style User-Agent header.

Live Preview Gallery

These are live requests against production so readers can see current poster, backdrop, and logo output directly inside GitHub.

The gallery is intended to use the optional server side preview env vars XRDB_README_PREVIEW_TMDB_KEY and XRDB_README_PREVIEW_MDBLIST_KEY so the README does not need to expose a raw API key.

Each preview URL includes a cb cache buster token. The release flow refreshes those tokens automatically so GitHub fetches a fresh set of live previews on each tagged release.

Posters

The Boys
Glass ratings, stream badges, original text
Dune Part Two
Square ratings, clean text, compact layout
Attack on Titan
Japanese text, anime ratings, poster stack
The Boys poster live preview Dune Part Two poster live preview Attack on Titan poster live preview

Backdrops

Game of Thrones
French backdrop, right side ratings
Stranger Things
Square ratings, stream badges, right side stack
Game of Thrones backdrop live preview Stranger Things backdrop live preview

Logos

The Boys
Dark canvas, glass ratings, quality badges
Attack on Titan
Japanese logo with anime ratings and quality badges
The Boys logo live preview Attack on Titan logo live preview

Rendering Option Comparisons

These static comparison boards highlight the newer rendering controls that are easier to evaluate side by side than in a single live card. They cover logoBackground, logoRatingsMax, posterQualityBadgesMax, backdropQualityBadgesMax, and a few layout and style combinations from the local March 27, 2026 build.

The current quality badge behavior uses local asset based artwork for 4K, Bluray, HDR10, Dolby Vision, and Dolby Atmos. Certification badges also include a small AGE label above the rating so age ratings read more clearly at a glance.

Transparent provider icons now stay transparent across every badge style. In glass, icons with transparency such as Kitsu render on a neutral inner chip with an accent ring so the accent color does not bleed through the icon cutouts.

Movie Poster Options

Movie poster comparison showing glass, square, and plain badge styles with different limits

Show Backdrop Options

Show backdrop comparison showing center, right vertical, and right layouts with different quality badge limits

Anime Logo Options

Anime logo comparison showing transparent plain, transparent glass with a neutral Kitsu chip, and dark square settings

Scalability & Docker

The repo now ships two Docker entrypoints:

  • compose.yaml is the VPS stack file. It matches the style used by popular Traefik based stacks much more closely: prebuilt GHCR image, env_file: .env, expose, Traefik labels, profiles, and a shared external Docker network.
  • local-compose.yaml is the local source build file. It keeps the simpler direct port mapping path for local testing.

Sources:

Releases & Packages

Pushing a version tag that matches v* now starts two independent workflows:

  • publishes a GitHub release with notes sourced from the matching changelog entry
  • pushes a multi architecture container image to GHCR as ghcr.io/ibbylabs/xrdb

The GitHub release is no longer blocked on the Docker publish job finishing.

Pull examples:

docker pull ghcr.io/ibbylabs/xrdb:latest
docker pull ghcr.io/ibbylabs/xrdb:v1.0.0

Release flow:

npm run release:patch

The release flow also bumps FINAL_IMAGE_RENDERER_CACHE_VERSION automatically so each new release invalidates stale final image renders on first request. Release automation now regenerates every tracked README doc image and CI fails if the checked in doc assets drift from the generator output.

Store XRDB_README_PREVIEW_TMDB_KEY and XRDB_README_PREVIEW_MDBLIST_KEY in local .env or .env.local if you want the release/doc asset scripts to pick them up automatically. Shell exported vars still win if both are set.

If the GHCR package already existed before it was linked to this repository, open the package in GitHub and:

  1. connect it to IbbyLabs/XRDB
  2. allow the package to follow repository permissions
  3. set visibility to public if you want anonymous pulls

Recommended Requirements

For high performance (on the fly image rendering), a server with a strong CPU and plenty of RAM is recommended.

Minimum recommended:

  • CPU: 4 vCPU
  • RAM: 4 GB

Local source build:

npm run docker:up

Explicit local source build:

npm run docker:up:local

VPS stack start:

npm run docker:up:stack

The VPS stack file expects Traefik or another external reverse proxy in front of it. It uses the published image and does not bind a public port directly.

If you use a Traefik style stack, set:

XRDB_HOSTNAME=xrdb.example.com
DOCKER_NETWORK=aio_default
DOCKER_NETWORK_EXTERNAL=true
DOCKER_DATA_DIR=/opt/docker/data

That makes the VPS file mount /opt/docker/data/xrdb into /app/data, which is closer to the template repo shape.

If you route XRDB through gluetun in your own stack, set:

HTTP_PROXY=http://gluetun:8080
HTTPS_PROXY=http://gluetun:8080

The repo compose file does not hard wire a gluetun dependency because that service usually lives in the surrounding VPS stack instead of the app repo itself.

Local custom port:

XRDB_PORT=4000 docker compose -f local-compose.yaml up -d --build

Public Fast Preset

If you run a shared or public XRDB host, start from a lighter profile before adding more providers or Torrentio badges. This keeps cold renders and Stremio catalog bursts predictable.

Host env preset:

XRDB_SHARP_CONCURRENCY=4
XRDB_SHARP_CACHE_MEMORY_MB=512
XRDB_SHARP_CACHE_ITEMS=2000
XRDB_SHARP_CACHE_FILES=20000
XRDB_TORRENTIO_CACHE_TTL_MS=43200000
XRDB_TORRENTIO_CONCURRENCY=3

Recommended proxy or addon settings:

Setting Recommended Value Why
posterRatings imdb,tmdb,mdblist Good coverage without fetching a long tail of providers on every poster.
backdropRatings imdb,tmdb,mdblist Same tradeoff as posters.
logoRatings imdb,tmdb Logos usually benefit less from a dense rating stack.
posterStreamBadges off Torrentio calls are one of the largest latency spikes on public instances.
backdropStreamBadges off Same reason as posters.
translateMeta true Keeps proxy metadata improvements on.
translateMetaMode fill-missing Conservative proxy behavior that usually helps more than it hurts.
debugMetaTranslation false Debug provenance is useful for troubleshooting, but not for normal public traffic.

If you want the absolute fastest public profile, drop mdblist too and keep the ratings list to imdb,tmdb.

API Usage

Main image endpoint: GET /{type}/{id}.jpg?ratings={providers}&lang={lang}&ratingStyle={style}...

Episode thumbnail endpoint: GET /thumbnail/{id}/S{season}E{episode}.jpg?thumbnailRatings=tmdb,imdb&lang={lang}...

Response format note:

  • Poster and backdrop responses are returned as JPEG.
  • Logo requests keep the .jpg route shape but may return PNG when transparency is preserved.

Examples

  • Poster with IMDb and TMDB: /poster/tt0133093.jpg?ratings=imdb,tmdb&lang=en
  • Plain backdrop: /backdrop/tmdb:movie:603.jpg?ratings=mdblist&style=plain&backdropRatingsLayout=right vertical
  • Backdrop with Bottom Row: /backdrop/tmdb:tv:1399.jpg?backdropRatings=tmdb,imdb&backdropBottomRatingsRow=true&lang=en
  • Episode thumbnail with XRDBID: /thumbnail/xrdbid:tt0944947/S01E01.jpg?thumbnailRatings=tmdb,imdb&lang=en

Episode thumbnails use the dedicated /thumbnail/{id}/S{season}E{episode}.jpg route. They keep their own thumbnail scoped controls for ratings, style, presentation, artwork source, episode artwork mode, image text, layout, badge sizing, quality badges, and side stack placement. thumbnailRatings defaults to tmdb,imdb.

Supported Query Parameters

Parameter Description Supported Values Default
type Image type (Path) poster, backdrop, logo (thumbnail uses its own route) -
id Media ID (Path) IMDb (tt...), TMDB (tmdb:id, tmdb:movie:id, tmdb:tv:id), Kitsu (kitsu:id), anime IDs such as anilist:123, mal:456, tvdb:12345, or anidb:6789 -
tmdbIdScope TMDB ID collision handling mode soft, strict soft
lang Image language Any TMDB ISO 639-1 code (e.g. it, en, es, fr, de, ru, ja) en
genreBadge Genre badge mode (global fallback) off, text, icon, both off
posterGenreBadge Poster genre badge mode off, text, icon, both off
backdropGenreBadge Backdrop genre badge mode off, text, icon, both off
logoGenreBadge Logo genre badge mode off, text, icon, both off
genreBadgeStyle Genre badge style (global fallback) glass, square, plain glass
posterGenreBadgeStyle Poster genre badge style glass, square, plain glass
backdropGenreBadgeStyle Backdrop genre badge style glass, square, plain glass
logoGenreBadgeStyle Logo genre badge style glass, square, plain glass
genreBadgePosition Genre badge anchor (global fallback) topLeft, topCenter, topRight, bottomLeft, bottomCenter, bottomRight topLeft
posterGenreBadgePosition Poster genre badge anchor topLeft, topCenter, topRight, bottomLeft, bottomCenter, bottomRight topLeft
backdropGenreBadgePosition Backdrop genre badge anchor topLeft, topCenter, topRight, bottomLeft, bottomCenter, bottomRight topLeft
logoGenreBadgePosition Logo genre badge anchor topLeft, topCenter, topRight, bottomLeft, bottomCenter, bottomRight topLeft
genreBadgeScale Genre badge scale (global fallback) Number (70-200) 100
posterGenreBadgeScale Poster genre badge scale Number (70-200) 100
backdropGenreBadgeScale Backdrop genre badge scale Number (70-200) 100
logoGenreBadgeScale Logo genre badge scale Number (70-200) 100
streamBadges Quality badges via Torrentio (global fallback) auto, on, off auto
posterStreamBadges Poster quality badges auto, on, off auto
backdropStreamBadges Backdrop quality badges auto, on, off auto
qualityBadgesSide Quality badges side (poster top bottom layout only) left, right left
posterQualityBadgesPosition Quality badges side for poster top or bottom layouts auto, left, right auto
qualityBadgesStyle Quality badges style (global fallback) glass, square, plain, media, silver glass
posterQualityBadgesStyle Poster quality badges style glass, square, plain, media, silver glass
backdropQualityBadgesStyle Backdrop quality badges style glass, square, plain, media, silver glass
posterQualityBadgeScale Poster quality badge scale Number (70-200) 100
backdropQualityBadgeScale Backdrop quality badge scale Number (70-200) 100
thumbnailQualityBadgeScale Thumbnail quality badge scale Number (70-200) 100
logoQualityBadgeScale Logo quality badge scale Number (70-200) 100
posterQualityBadgesMax Poster quality badge limit Number (1-20) auto
backdropQualityBadgesMax Backdrop quality badge limit Number (1-20) auto
ratingPresentation Rating presentation mode (global fallback) standard, minimal, average, dual, blockbuster, none standard
aggregateRatingSource Aggregate source for minimal and average (global fallback) overall, critics, audience overall
aggregateAccentMode Aggregate accent source source, genre, custom source
aggregateAccentColor Aggregate accent color when aggregateAccentMode=custom Hex color #a78bfa
aggregateAccentBarOffset Average badge accent bar offset Number (-12 to 12) 0
ratingXOffsetPillGlass X offset for stacked Pill Glass badge layouts Number (-320 to 320) 0
ratingYOffsetPillGlass Y offset for stacked Pill Glass badge layouts Number (-320 to 320) 0
ratingXOffsetSquare X offset for stacked Square Dark badge layouts Number (-320 to 320) 0
ratingYOffsetSquare Y offset for stacked Square Dark badge layouts Number (-320 to 320) 0
ratings Rating providers (global fallback) tmdb, mdblist, imdb, allocine, allocinepress, tomatoes, tomatoesaudience, letterboxd, metacritic, metacriticuser, trakt, simkl, rogerebert, myanimelist, anilist, kitsu all
posterRatings Poster rating providers tmdb, mdblist, imdb, allocine, allocinepress, tomatoes, tomatoesaudience, letterboxd, metacritic, metacriticuser, trakt, simkl, rogerebert, myanimelist, anilist, kitsu all
backdropRatings Backdrop rating providers tmdb, mdblist, imdb, allocine, allocinepress, tomatoes, tomatoesaudience, letterboxd, metacritic, metacriticuser, trakt, simkl, rogerebert, myanimelist, anilist, kitsu all
thumbnailRatings Episode thumbnail rating providers tmdb, imdb tmdb,imdb
logoRatings Logo rating providers tmdb, mdblist, imdb, allocine, allocinepress, tomatoes, tomatoesaudience, letterboxd, metacritic, metacriticuser, trakt, simkl, rogerebert, myanimelist, anilist, kitsu all
ratingValueMode Rating display scaling native, normalized, normalized100 native
ratingStyle (or posterRatingStyle / backdropRatingStyle / thumbnailRatingStyle / logoRatingStyle, or style legacy) Badge style glass (Pill), square (Dark), plain (No BG), stacked glass (poster/backdrop/thumbnail), plain (logo)
tmdbKey TMDB v3 API Key (Stateless) String (e.g. your_key) Required
mdblistKey MDBList API Key (Stateless) String (e.g. your_key) Required for MDBList backed ratings
fanartKey Fanart API Key for fanart poster, backdrop, and logo sources String (e.g. your_key) Server fallback when available
simklClientId SIMKL client id for direct SIMKL ratings String (e.g. your_client_id) None
imageText Image text (global fallback for poster/backdrop/thumbnail) original, clean, alternative, random original (poster), clean (backdrop/thumbnail)
posterArtworkSource Poster artwork source tmdb, fanart, cinemeta, omdb, random tmdb
backdropArtworkSource Backdrop artwork source tmdb, fanart, cinemeta, random tmdb
posterRatingsLayout Poster layout top, bottom, left, right, top bottom, left right top bottom
posterRatingsMaxPerSide Max badges per side Number (1+) auto
backdropRatingsLayout Backdrop layout center, right, right vertical center
backdropBottomRatingsRow Force backdrop ratings into one Bottom Row true, false false
logoRatingsMax Logo badge limit Number (1+) auto
logoBottomRatingsRow Force logo ratings into one Bottom Row true, false false
logoBackground Logo canvas background transparent, dark transparent
logoArtworkSource Logo artwork source tmdb, fanart, cinemeta, random tmdb

Thumbnail scoped query params mirror the configurator controls and keep thumbnail output independent from backdrop output:

  • thumbnailGenreBadge, thumbnailGenreBadgeStyle, thumbnailGenreBadgePosition, thumbnailGenreBadgeScale, thumbnailGenreBadgeAnimeGrouping
  • thumbnailStreamBadges, thumbnailQualityBadges, thumbnailQualityBadgesStyle, thumbnailQualityBadgesMax, thumbnailQualityBadgeScale
  • thumbnailRatingStyle, thumbnailRatingPresentation, thumbnailAggregateRatingSource, thumbnailRatingBadgeScale
  • thumbnailImageText, thumbnailArtworkSource, thumbnailEpisodeArtwork
  • thumbnailRatingsLayout, thumbnailRatingsMax, thumbnailBottomRatingsRow, thumbnailSideRatingsPosition, thumbnailSideRatingsOffset

In the configurator UI, minimal is labeled as Compact Average, average is labeled as Labeled Average, and dual is labeled as Critics + Audience. The underlying query values stay minimal, average, and dual.

RPDB compatibility aliases are accepted where they map cleanly in XRDB: order/ratingOrder (rating provider order), ratingBarPos (mapped to poster/backdrop layout + side position), fontScale (mapped to rating badge scale), imageSize=verylarge (mapped to posterImageSize=4k), and textless/posterType=textless-* (mapped to clean poster text mode).

myanimelist and trakt can render directly when the server has XRDB_MAL_CLIENT_ID or XRDB_TRAKT_CLIENT_ID. Without the MAL client id, XRDB falls back to Jikan for direct myanimelist ratings. When direct lookups are unavailable, XRDB still falls back to MDBList when mdblistKey is present.

allocine and allocinepress add AlloCiné audience and press scores for movie and series titles. They render on the native /5 scale by default and still respect ratingValueMode normalization when you want everything shown on a shared /10 or /100 scale.

tmdbIdScope=soft is the default for compatibility and accepts bare tmdb:id. Set tmdbIdScope=strict to require tmdb:movie:id or tmdb:tv:id for backdrop and logo requests to avoid movie versus TV collisions.

Transparent provider icons stay transparent across glass, square, and plain. In glass, XRDB switches icons with transparency such as Kitsu to a neutral inner chip with an accent ring to avoid accent color bleed through.

Genre badges resolve from a curated family set instead of trying to icon map every TMDB genre. Strong buckets such as horror, comedy, drama, sci fi, fantasy, crime, documentary, animation, and anime render. When a title mixes drama with a stronger supported family, XRDB still prefers the more specific bucket.

fanartKey is optional. If present, XRDB uses your key first for fanart requests. If it is blank, XRDB falls back to XRDB_FANART_API_KEY or FANART_API_KEY when the server has one.

Poster sources support tmdb, fanart, cinemeta, omdb, and random. posterArtworkSource=fanart uses fanart.tv poster art for original, clean, and alternative. Original and clean use the top ranked fanart image. Alternative uses the next ranked fanart image when one exists. posterArtworkSource=cinemeta uses the MetaHub Cinemeta poster when an IMDb id is available. posterArtworkSource=omdb uses the OMDb poster when a server OMDb key and IMDb id are available. posterArtworkSource=random picks a seeded source across TMDB, fanart, Cinemeta, and OMDb when those candidates exist.

Backdrop sources support tmdb, fanart, cinemeta, and random. backdropArtworkSource=fanart uses fanart.tv moviebackground or showbackground art for original, clean, and alternative. Original and clean use the top ranked fanart image. Alternative uses the next ranked fanart image when one exists. backdropArtworkSource=cinemeta uses the MetaHub Cinemeta backdrop when an IMDb id is available. backdropArtworkSource=random picks a seeded source across TMDB, fanart, and Cinemeta when those candidates exist. Logo sources support tmdb, fanart, cinemeta, and random. logoArtworkSource=fanart uses fanart.tv HD or clear logo assets for logo output, logoArtworkSource=cinemeta uses the MetaHub Cinemeta logo when an IMDb id is available, and logoArtworkSource=random picks a seeded source across TMDB, fanart, and Cinemeta when those candidates exist.

Use backdropBottomRatingsRow=true or logoBottomRatingsRow=true to collapse those badges into one Bottom Row. When the backdrop Bottom Row is enabled, XRDB ignores the saved backdrop side layout and side offset controls for rendering and omits those inactive params from lean exports such as AIOMetadata patterns.

Future work: season aware fanart support is a strong next step for TV because fanart.tv exposes seasonposter and seasonthumb assets.

Rendered ratings keep provider native scales by default. Set ratingValueMode=normalized to convert everything to a 0 to 10 display scale, or ratingValueMode=normalized100 to convert everything to a rounded whole number out of 100. Providers that already use /10 are shown without the suffix in ten point mode, percentage sources are converted to decimal (69% -> 6.9) or whole number (69), /5 sources are doubled (4.2/5 -> 8.4) or multiplied by twenty (84), and /4 sources are multiplied by 2.5 (3.5/4 -> 8.8 or 88).

Episode thumbnails now use the episode level TMDB and IMDb ratings instead of inheriting the parent series rating stack. Keep thumbnailRatings=tmdb,imdb if you want the default episode specific pairing.

When no explicit max is set, XRDB now renders all badges that fit the layout instead of applying a fixed poster or logo badge cap. Use the max params only when you want to intentionally tighten the visible badge count.

Supported ID Formats

XRDB supports multiple formats to identify media:

  • IMDb: tt0133093 (standard tt + numbers)
  • TMDB: tmdb:603 or explicit tmdb:movie:603 / tmdb:tv:1399
  • Kitsu: kitsu:1 (prefix kitsu: followed by the ID)
  • Anime Mappings: provider:id (e.g. anilist:123, myanimelist:456)
  • Episode Thumbnails: /thumbnail/{episodeBaseId}/S01E01.jpg where episodeBaseId can be plain IMDb, xrdbid:{imdb_id}, tvdb:{tvdb_id}, kitsu:{kitsu_id}, anilist:{anilist_id}, mal:{mal_id}, or anidb:{anidb_id}

Addon Developer Guide

To integrate XRDB into your addon:

  1. Config String: use a single xrdbConfig string (base64url) generated by the XRDB configurator. It contains baseUrl, tmdbKey, mdblistKey, optional fanartKey, the per type style/text/layout fields, and any optional overrides currently enabled. Defaults are usually omitted.
  2. Addon UI: show ONLY the toggles to enable/disable poster, backdrop, thumbnail, logo. No modal and no extra settings panels.
  3. Fallback: if a type is disabled, keep the original artwork (do not call XRDB for that type).
  4. Decode: decode xrdbConfig (base64url -> JSON) once and reuse it.
  5. URL build: use {baseUrl}/{type}/{id}.jpg for poster, backdrop, and logo, and use {baseUrl}/thumbnail/{episodeBaseId}/S{season}E{episode}.jpg for episode thumbnails. Add tmdbKey and mdblistKey, then pass through any optional XRDB fields present in cfg such as fanartKey, ratings, posterRatings, backdropRatings, thumbnailRatings, logoRatings, lang, ratingValueMode, genreBadge, genreBadgeStyle, genreBadgePosition, genreBadgeScale, posterGenreBadge, backdropGenreBadge, thumbnailGenreBadge, logoGenreBadge, posterGenreBadgeStyle, backdropGenreBadgeStyle, thumbnailGenreBadgeStyle, logoGenreBadgeStyle, posterGenreBadgePosition, backdropGenreBadgePosition, thumbnailGenreBadgePosition, logoGenreBadgePosition, posterGenreBadgeScale, backdropGenreBadgeScale, thumbnailGenreBadgeScale, logoGenreBadgeScale, streamBadges, posterStreamBadges, backdropStreamBadges, thumbnailStreamBadges, qualityBadgesSide, posterQualityBadgesPosition, qualityBadgesStyle, posterQualityBadgesStyle, backdropQualityBadgesStyle, thumbnailQualityBadgesStyle, posterQualityBadgesMax, backdropQualityBadgesMax, thumbnailQualityBadgesMax, ratingPresentation, aggregateRatingSource, ratingXOffsetPillGlass, ratingYOffsetPillGlass, ratingXOffsetSquare, ratingYOffsetSquare, posterRatingsLayout, posterRatingsMaxPerSide, backdropRatingsLayout, backdropBottomRatingsRow, thumbnailRatingsLayout, thumbnailBottomRatingsRow, thumbnailRatingsMax, thumbnailSideRatingsPosition, thumbnailSideRatingsOffset, logoRatingsMax, logoBottomRatingsRow, logoBackground, posterArtworkSource, backdropArtworkSource, thumbnailArtworkSource, thumbnailEpisodeArtwork, and logoArtworkSource. Then apply the per type config fields:
    • poster: posterRatingStyle, posterImageText
    • poster artwork source: posterArtworkSource
    • backdrop: backdropRatingStyle, backdropImageText
    • backdrop artwork source: backdropArtworkSource
    • episode thumbnail: thumbnailRatings, thumbnailRatingStyle, thumbnailRatingPresentation, thumbnailAggregateRatingSource, thumbnailImageText, thumbnailArtworkSource, thumbnailEpisodeArtwork, thumbnailRatingsLayout, thumbnailRatingsMax, thumbnailBottomRatingsRow, thumbnailSideRatingsPosition, thumbnailSideRatingsOffset, thumbnailRatingBadgeScale, thumbnailQualityBadges, thumbnailQualityBadgesStyle, thumbnailQualityBadgesMax, thumbnailQualityBadgeScale, and thumbnailStreamBadges
    • logo: logoRatingStyle, logoBackground, logoArtworkSource (omit imageText)

The generated configurator payload usually emits the per type fields and omits unchanged defaults. Global fallback params such as ratings, streamBadges, or qualityBadgesStyle are still supported if you build configs manually.

AI Integration Prompt

If you are using an AI agent such as Claude or ChatGPT to build an addon, copy this prompt:

Act as an expert addon developer. Implement the XRDB Stateless API in a media center addon.

--- CONFIG INPUT ---
Add a single text field called "xrdbConfig" (base64url). The user will paste it from the XRDB site after configuring there.
Do NOT hardcode API keys or base URL. Always use cfg.baseUrl from xrdbConfig.

--- DECODE ---
Node/JS: const cfg = JSON.parse(Buffer.from(xrdbConfig, 'base64url').toString('utf8'));

--- FULL API REFERENCE ---
Poster, backdrop, and logo endpoint: GET /{type}/{id}.jpg?...queryParams
Episode thumbnail endpoint: GET /thumbnail/{id}/S{season}E{episode}.jpg?...queryParams

Parameter               | Values                                                              | Default
type (path)             | poster, backdrop, logo                                               | -
id (path)               | IMDb (tt...), TMDB (tmdb:id / tmdb:movie:id / tmdb:tv:id), Kitsu (kitsu:id), AniList, MAL                            | -
tmdbIdScope             | soft, strict                                                                                                           | soft
ratings                 | tmdb, mdblist, imdb, allocine, allocinepress, tomatoes,              | all
                        | tomatoesaudience, letterboxd, metacritic, metacriticuser, trakt,     |
                        | simkl, rogerebert, myanimelist,                                      |
                        | anilist, kitsu (global fallback)                                     |
posterRatings           | tmdb, mdblist, imdb, allocine, allocinepress, tomatoes,              | all
                        | tomatoesaudience, letterboxd, metacritic, metacriticuser, trakt,     |
                        | simkl, rogerebert, myanimelist,                                      |
                        | anilist, kitsu (poster only)                                         |
backdropRatings         | tmdb, mdblist, imdb, allocine, allocinepress, tomatoes,              | all
                        | tomatoesaudience, letterboxd, metacritic, metacriticuser, trakt,     |
                        | simkl, rogerebert, myanimelist,                                      |
                        | anilist, kitsu (backdrop only)                                       |
thumbnailRatings        | tmdb, imdb (episode thumbnail only)                                  | tmdb,imdb
logoRatings             | tmdb, mdblist, imdb, allocine, allocinepress, tomatoes,              | all
                        | tomatoesaudience, letterboxd, metacritic, metacriticuser, trakt,     |
                        | simkl, rogerebert, myanimelist,                                      |
                        | anilist, kitsu (logo only)                                           |
lang                    | Any TMDB ISO 639-1 code (en, it, fr, es, de, ja, ko, etc.)            | en
genreBadge             | off, text, icon, both (global fallback)                              | off
posterGenreBadge       | off, text, icon, both (poster only)                                  | off
backdropGenreBadge     | off, text, icon, both (backdrop only)                                | off
logoGenreBadge         | off, text, icon, both (logo only)                                    | off
streamBadges            | auto, on, off (global fallback)                                      | auto
posterStreamBadges      | auto, on, off (poster only)                                          | auto
backdropStreamBadges    | auto, on, off (backdrop only)                                        | auto
qualityBadgesSide       | left, right (poster top bottom layout only)                          | left
posterQualityBadgesPosition | auto, left, right (poster top or bottom only)                    | auto
qualityBadgesStyle      | glass, square, plain, media, silver (global fallback)                | glass
posterQualityBadgesStyle| glass, square, plain, media, silver (poster only)                    | glass
backdropQualityBadgesStyle| glass, square, plain, media, silver (backdrop only)                | glass
thumbnailQualityBadgesStyle| glass, square, plain, media, silver (thumbnail only)              | glass
posterQualityBadgesMax  | Number (1+)                                                          | auto
backdropQualityBadgesMax| Number (1+)                                                          | auto
thumbnailQualityBadgesMax| Number (1+)                                                         | auto
ratingPresentation      | standard, minimal, average, dual, blockbuster, none                  | standard
aggregateRatingSource   | overall, critics, audience                                           | overall
ratingXOffsetPillGlass  | Number (-320 to 320)                                                 | 0
ratingYOffsetPillGlass  | Number (-320 to 320)                                                 | 0
ratingXOffsetSquare     | Number (-320 to 320)                                                 | 0
ratingYOffsetSquare     | Number (-320 to 320)                                                 | 0
ratingStyle             | glass, square, plain, stacked                                        | glass
thumbnailRatingStyle    | glass, square, plain, stacked                                        | glass
imageText               | original, clean, alternative, random                                 | original
thumbnailImageText      | original, clean, alternative, random                                 | clean
posterArtworkSource     | tmdb, fanart, cinemeta, omdb, random                                 | tmdb
backdropArtworkSource   | tmdb, fanart, cinemeta, random                                       | tmdb
thumbnailArtworkSource  | tmdb, fanart, cinemeta, random                                       | tmdb
thumbnailEpisodeArtwork | still, series                                                        | still
posterRatingsLayout     | top, bottom, left, right, top bottom, left right                     | top bottom
posterRatingsMaxPerSide | Number (1+)                                                          | auto
backdropRatingsLayout   | center, right, right vertical                                        | center
thumbnailRatingsLayout  | center, right, right vertical                                        | center
backdropBottomRatingsRow| true, false                                                          | false
thumbnailRatingsMax     | Number (1+)                                                          | auto
thumbnailBottomRatingsRow| true, false                                                         | false
logoRatingsMax          | Number (1+)                                                          | auto
logoBottomRatingsRow    | true, false                                                          | false
logoBackground          | transparent, dark                                                    | transparent
logoArtworkSource       | tmdb, fanart, cinemeta, random                                       | tmdb
tmdbKey (REQUIRED)      | Your TMDB v3 API Key                                                 | -
mdblistKey (REQUIRED)   | Your MDBList.com API Key                                             | -
fanartKey               | Your Fanart API Key (used first for fanart sources)                  | server fallback when available
simklClientId           | Your SIMKL client id for direct SIMKL ratings                        | -

TMDB NOTE: Default tmdbIdScope=soft keeps compatibility and accepts tmdb:id. Set tmdbIdScope=strict to require tmdb:movie:id or tmdb:tv:id for backdrop and logo.
STYLE NOTE: Transparent provider icons stay transparent in every style. In glass, icons with transparency such as Kitsu render on a neutral inner chip with an accent ring to avoid accent color bleed through.
FANART NOTE: fanartKey is optional. If present, XRDB uses your key first for fanart poster, backdrop, and logo requests. If fanartKey is blank, XRDB falls back to XRDB_FANART_API_KEY or FANART_API_KEY when the server has one.
POSTER NOTE: `posterArtworkSource` supports `tmdb`, `fanart`, `cinemeta`, `omdb`, and `random`. Fanart uses fanart.tv poster art when a fanart key is available, Cinemeta uses MetaHub when an IMDb id is available, OMDb uses the server OMDb key plus IMDb id, and random picks a seeded source across the available poster candidates.
BACKDROP NOTE: `backdropArtworkSource` supports `tmdb`, `fanart`, `cinemeta`, and `random`. Fanart uses fanart.tv moviebackground or showbackground art when a fanart key is available, Cinemeta uses MetaHub when an IMDb id is available, and random picks a seeded source across the available backdrop candidates.
LOGO NOTE: `logoArtworkSource` supports `tmdb`, `fanart`, `cinemeta`, and `random`. Fanart uses fanart.tv HD or clear logo assets when a fanart key is available, Cinemeta uses MetaHub when an IMDb id is available, and random picks a seeded source across the available logo candidates.
THUMBNAIL NOTE: Episode thumbnails use `/thumbnail/{id}/S{season}E{episode}.jpg`, default to `thumbnailRatings=tmdb,imdb`, accept base ids such as plain IMDb, `xrdbid`, `tvdb`, `kitsu`, `anilist`, `mal`, and `anidb`, and use dedicated thumbnail scoped controls such as `thumbnailRatingStyle`, `thumbnailImageText`, `thumbnailArtworkSource`, `thumbnailEpisodeArtwork`, `thumbnailRatingsLayout`, `thumbnailBottomRatingsRow`, `thumbnailRatingBadgeScale`, `thumbnailQualityBadgesStyle`, `thumbnailQualityBadgesMax`, `thumbnailQualityBadgeScale`, `thumbnailSideRatingsPosition`, and `thumbnailSideRatingsOffset`.
THUMBNAIL PREVIEW NOTE: The Configurator Essentials panel now exposes explicit `Series ID`, `Season`, and `Episode` controls whenever preview type is `thumbnail`. These controls always build a valid episode target and keep preview routing aligned with `/thumbnail/{id}/S{season}E{episode}.jpg`.
THUMBNAIL PARSING NOTE: Standard inputs parse as `{baseId}:{season}:{episode}` with the final two numeric segments mapped to season and episode. Kitsu also supports `{kitsuId}:{episode}` shorthand and treats it as season `1`.

EPISODE THUMBNAIL CAPABILITY MATRIX
| Area | Current behavior |
| --- | --- |
| Preview route | `/thumbnail/{id}/S{season}E{episode}.jpg` |
| Default rating providers | `thumbnailRatings=tmdb,imdb` |
| Accepted base ID families | IMDb, `xrdbid`, `tvdb`, `tmdb:tv`, `kitsu`, `anilist`, `mal`, `anidb` |
| Configurator target controls | Dedicated thumbnail `Series ID`, `Season`, `Episode` fields in Essentials |
| Artwork source control | `thumbnailArtworkSource` per type |
| Episode image mode | `thumbnailEpisodeArtwork=still|series` |
| Layout controls | `thumbnailRatingsLayout`, `thumbnailBottomRatingsRow`, `thumbnailRatingsMax`, `thumbnailSideRatingsPosition`, `thumbnailSideRatingsOffset` |
| Badge sizing controls | `thumbnailRatingBadgeScale`, `thumbnailQualityBadgeScale`, `thumbnailGenreBadgeScale` |
| Export patterns | AIOMetadata export always emits thumbnail scoped route + params |
| Proxy behavior | Proxy image URLs for episodic items resolve through the same thumbnail route and respect thumbnail scoped settings |

BOTTOM ROW NOTE: `backdropBottomRatingsRow=true`, `thumbnailBottomRatingsRow=true`, and `logoBottomRatingsRow=true` collapse those badges into one Bottom Row. The backdrop and thumbnail Bottom Row options intentionally override side stack layout and side offset settings.
ALLOCINE NOTE: `allocine` and `allocinepress` provide AlloCiné audience and press scores on their native `/5` scale unless you normalize them through `ratingValueMode`.
FUTURE NOTE: season aware fanart support is a good next step for TV because fanart.tv exposes seasonposter and seasonthumb assets.

--- INTEGRATION REQUIREMENTS ---
1. Use ONLY the "xrdbConfig" field (no modal and no extra settings panels).
2. Add toggles to enable/disable: poster, backdrop, thumbnail, logo.
3. If a type is disabled, keep the original artwork (do not call XRDB for that type).
4. Build XRDB URLs using the decoded config and inject them into both catalog and meta responses.

--- PER TYPE SETTINGS ---
poster   -> ratingStyle = cfg.posterRatingStyle, imageText = cfg.posterImageText
poster artwork source -> use cfg.posterArtworkSource for poster original, clean, or alternative
backdrop -> ratingStyle = cfg.backdropRatingStyle, imageText = cfg.backdropImageText
backdrop artwork source -> use cfg.backdropArtworkSource for backdrop original, clean, or alternative
thumbnail -> ratingStyle = cfg.thumbnailRatingStyle, imageText = cfg.thumbnailImageText, artworkSource = cfg.thumbnailArtworkSource, episodeArtwork = cfg.thumbnailEpisodeArtwork
logo     -> ratingStyle = cfg.logoRatingStyle, logoBackground = cfg.logoBackground, logoArtworkSource = cfg.logoArtworkSource
all      -> genreBadge = cfg.genreBadge, genreBadgeStyle = cfg.genreBadgeStyle, genreBadgePosition = cfg.genreBadgePosition, genreBadgeScale = cfg.genreBadgeScale (optional global fallbacks)
poster   -> genreBadge = cfg.posterGenreBadge, genreBadgeStyle = cfg.posterGenreBadgeStyle, genreBadgePosition = cfg.posterGenreBadgePosition, genreBadgeScale = cfg.posterGenreBadgeScale
backdrop -> genreBadge = cfg.backdropGenreBadge, genreBadgeStyle = cfg.backdropGenreBadgeStyle, genreBadgePosition = cfg.backdropGenreBadgePosition, genreBadgeScale = cfg.backdropGenreBadgeScale
thumbnail -> genreBadge = cfg.thumbnailGenreBadge, genreBadgeStyle = cfg.thumbnailGenreBadgeStyle, genreBadgePosition = cfg.thumbnailGenreBadgePosition, genreBadgeScale = cfg.thumbnailGenreBadgeScale
logo     -> genreBadge = cfg.logoGenreBadge, genreBadgeStyle = cfg.logoGenreBadgeStyle, genreBadgePosition = cfg.logoGenreBadgePosition, genreBadgeScale = cfg.logoGenreBadgeScale
Ratings providers can be set per type via cfg.posterRatings / cfg.backdropRatings / cfg.thumbnailRatings / cfg.logoRatings (fallback to cfg.ratings).
Rating presentation can be set per type via cfg.posterRatingPresentation / cfg.backdropRatingPresentation / cfg.thumbnailRatingPresentation / cfg.logoRatingPresentation (fallback to cfg.ratingPresentation).
Aggregate source can be set per type via cfg.posterAggregateRatingSource / cfg.backdropAggregateRatingSource / cfg.thumbnailAggregateRatingSource / cfg.logoAggregateRatingSource (fallback to cfg.aggregateRatingSource).
Use cfg.aggregateAccentMode to keep source colours, match the genre badge, or force a custom aggregate accent through cfg.aggregateAccentColor.
Use cfg.aggregateAccentBarOffset to nudge the average badge accent bar up or down a few pixels in compact, labeled, and dual aggregate layouts.
Use cfg.ratingXOffsetPillGlass / cfg.ratingYOffsetPillGlass and cfg.ratingXOffsetSquare / cfg.ratingYOffsetSquare to nudge stacked Pill Glass and Square Dark rating groups.
Quality badges can be set per type via cfg.posterStreamBadges / cfg.backdropStreamBadges / cfg.thumbnailStreamBadges (fallback to cfg.streamBadges).
Use cfg.qualityBadgesSide for poster top bottom layouts and cfg.posterQualityBadgesPosition for poster top or bottom layouts.
Quality badges style/max can be set per type via cfg.posterQualityBadgesStyle / cfg.backdropQualityBadgesStyle / cfg.thumbnailQualityBadgesStyle and cfg.posterQualityBadgesMax / cfg.backdropQualityBadgesMax / cfg.thumbnailQualityBadgesMax.
Episode thumbnails use /thumbnail/{episodeBaseId}/S{season}E{episode}.jpg and keep their own cfg.thumbnailRatings, cfg.thumbnailRatingStyle, cfg.thumbnailImageText, cfg.thumbnailArtworkSource, cfg.thumbnailEpisodeArtwork, cfg.thumbnailRatingsLayout, cfg.thumbnailBottomRatingsRow, cfg.thumbnailRatingsMax, cfg.thumbnailSideRatingsPosition, cfg.thumbnailSideRatingsOffset, cfg.thumbnailRatingBadgeScale, cfg.thumbnailQualityBadgesStyle, cfg.thumbnailQualityBadgesMax, cfg.thumbnailQualityBadgeScale, and cfg.thumbnailStreamBadges settings.

--- URL BUILD ---
const typeRatingStyle = type === 'poster' ? cfg.posterRatingStyle : type === 'backdrop' ? cfg.backdropRatingStyle : type === 'thumbnail' ? cfg.thumbnailRatingStyle : cfg.logoRatingStyle;
const typeImageText = type === 'backdrop' ? cfg.backdropImageText : type === 'thumbnail' ? cfg.thumbnailImageText : cfg.posterImageText;
${cfg.baseUrl}/${type}/${id}.jpg?tmdbKey=${cfg.tmdbKey}&mdblistKey=${cfg.mdblistKey}&fanartKey=${cfg.fanartKey}&ratings=${cfg.ratings}&posterRatings=${cfg.posterRatings}&backdropRatings=${cfg.backdropRatings}&thumbnailRatings=${cfg.thumbnailRatings}&logoRatings=${cfg.logoRatings}&lang=${cfg.lang}&genreBadge=${cfg.genreBadge}&genreBadgeStyle=${cfg.genreBadgeStyle}&genreBadgePosition=${cfg.genreBadgePosition}&genreBadgeScale=${cfg.genreBadgeScale}&posterGenreBadge=${cfg.posterGenreBadge}&backdropGenreBadge=${cfg.backdropGenreBadge}&thumbnailGenreBadge=${cfg.thumbnailGenreBadge}&logoGenreBadge=${cfg.logoGenreBadge}&posterGenreBadgeStyle=${cfg.posterGenreBadgeStyle}&backdropGenreBadgeStyle=${cfg.backdropGenreBadgeStyle}&thumbnailGenreBadgeStyle=${cfg.thumbnailGenreBadgeStyle}&logoGenreBadgeStyle=${cfg.logoGenreBadgeStyle}&posterGenreBadgePosition=${cfg.posterGenreBadgePosition}&backdropGenreBadgePosition=${cfg.backdropGenreBadgePosition}&thumbnailGenreBadgePosition=${cfg.thumbnailGenreBadgePosition}&logoGenreBadgePosition=${cfg.logoGenreBadgePosition}&posterGenreBadgeScale=${cfg.posterGenreBadgeScale}&backdropGenreBadgeScale=${cfg.backdropGenreBadgeScale}&thumbnailGenreBadgeScale=${cfg.thumbnailGenreBadgeScale}&logoGenreBadgeScale=${cfg.logoGenreBadgeScale}&streamBadges=${cfg.streamBadges}&posterStreamBadges=${cfg.posterStreamBadges}&backdropStreamBadges=${cfg.backdropStreamBadges}&thumbnailStreamBadges=${cfg.thumbnailStreamBadges}&qualityBadgesSide=${cfg.qualityBadgesSide}&posterQualityBadgesPosition=${cfg.posterQualityBadgesPosition}&qualityBadgesStyle=${cfg.qualityBadgesStyle}&posterQualityBadgesStyle=${cfg.posterQualityBadgesStyle}&backdropQualityBadgesStyle=${cfg.backdropQualityBadgesStyle}&thumbnailQualityBadgesStyle=${cfg.thumbnailQualityBadgesStyle}&posterQualityBadgesMax=${cfg.posterQualityBadgesMax}&backdropQualityBadgesMax=${cfg.backdropQualityBadgesMax}&thumbnailQualityBadgesMax=${cfg.thumbnailQualityBadgesMax}&ratingPresentation=${cfg.ratingPresentation}&aggregateRatingSource=${cfg.aggregateRatingSource}&aggregateAccentMode=${cfg.aggregateAccentMode}&aggregateAccentColor=${cfg.aggregateAccentColor}&aggregateAccentBarOffset=${cfg.aggregateAccentBarOffset}&ratingXOffsetPillGlass=${cfg.ratingXOffsetPillGlass}&ratingYOffsetPillGlass=${cfg.ratingYOffsetPillGlass}&ratingXOffsetSquare=${cfg.ratingXOffsetSquare}&ratingYOffsetSquare=${cfg.ratingYOffsetSquare}&ratingStyle=${typeRatingStyle}&imageText=${typeImageText}&posterArtworkSource=${cfg.posterArtworkSource}&backdropArtworkSource=${cfg.backdropArtworkSource}&thumbnailArtworkSource=${cfg.thumbnailArtworkSource}&thumbnailEpisodeArtwork=${cfg.thumbnailEpisodeArtwork}&posterRatingsLayout=${cfg.posterRatingsLayout}&posterRatingsMaxPerSide=${cfg.posterRatingsMaxPerSide}&backdropRatingsLayout=${cfg.backdropRatingsLayout}&thumbnailRatingsLayout=${cfg.thumbnailRatingsLayout}&thumbnailRatingsMax=${cfg.thumbnailRatingsMax}&thumbnailBottomRatingsRow=${cfg.thumbnailBottomRatingsRow}&thumbnailSideRatingsPosition=${cfg.thumbnailSideRatingsPosition}&thumbnailSideRatingsOffset=${cfg.thumbnailSideRatingsOffset}&logoRatingsMax=${cfg.logoRatingsMax}&logoBackground=${cfg.logoBackground}&logoArtworkSource=${cfg.logoArtworkSource}

Omit imageText when type=logo.

Skip any params that are undefined. Keep empty ratings/posterRatings/backdropRatings/logoRatings to disable providers.

Proxy for Stremio

XRDB can act as a proxy for any Stremio addon and always replace images (poster, background, logo) with the ones generated by XRDB.

Manifest Proxy (Stremio)

Stremio does not use query params here. Generate the link from the XRDB site using the "Proxy Manifest" section:

https://YOUR_XRDB_HOST/proxy/{config}/manifest.json

{config} is created automatically by the site based on the inserted parameters.

Direct Query Proxy Mode (Advanced)

For scripts, testing, or non generated integrations, XRDB also exposes a direct manifest route:

https://YOUR_XRDB_HOST/proxy/manifest.json?url={manifestUrl}&tmdbKey=...&mdblistKey=...&fanartKey=...

The matching query based passthrough routes live under /proxy/catalog/..., /proxy/meta/..., and the other addon resource paths and accept the same query config. The encoded /proxy/{config}/manifest.json form is still the normal Stremio install URL.

Notes

  • The proxy routes meta.poster, meta.background, and meta.logo through XRDB URLs.
  • The url field must point to the original addon's manifest.json.
  • tmdbKey is required.
  • mdblistKey is required for MDBList backed ratings and broad fallback coverage.
  • fanartKey is optional and is recommended when you use fanart sources. When it is missing, XRDB can fall back to the server key if one exists.
  • For shared/public XRDB instances, start with the Public Fast preset above before enabling long rating lists or Torrentio stream badges.
  • Optional proxy metadata translation can localize meta.name / meta.description and episode text.
  • translateMetaMode=fill-missing is the safe default: keep good addon text and only backfill blanks or placeholders.
  • translateMetaMode=prefer-source keeps any source addon text that is present, even placeholders like N/A.
  • translateMetaMode=prefer-requested-language replaces source addon text only when TMDB has an exact translation for the requested language; anime native fallback can still fill missing fields.
  • translateMetaMode=prefer-tmdb prefers TMDB text whenever it is available.
  • When debugMetaTranslation=true, the proxy adds an _xrdbMetaTranslation object to returned metas so you can inspect field provenance.

Metadata Translation Guide

Metadata translation only changes text in the proxied addon metadata:

  • series and movie titles
  • descriptions / overviews
  • episode titles and descriptions

It does not change how artwork is rendered. Posters, backdrops, and logos still follow the normal XRDB image settings.

Recommended Starting Setup

If you just want a sensible default, use this:

Setting Recommended Value Why
Language (lang) Your actual viewing language, such as en, it, fr, or fr-BE This tells XRDB which language to look for when translating text.
Translate metadata in the proxy (translateMeta) On Turns on metadata translation for the proxy.
Merge mode (translateMetaMode) fill-missing Best default for most people. It fixes empty, blank, or placeholder text without overwriting good text from the addon.
Attach debug provenance (debugMetaTranslation) Off Keep this off unless you are testing or troubleshooting.

If you only want one recommendation: use fill-missing. It is the safest option because it improves bad metadata without being aggressive.

What Each Setting Does

Setting What It Does How To Use It Recommended For
Language (lang) Chooses the language XRDB tries to use for translated metadata. Set this to the language you actually want to read in Stremio. If you want wording for a specific region, use a regional code like en-GB or fr-BE instead of just en or fr. Anyone using metadata translation.
Translate metadata in the proxy (translateMeta) Turns metadata translation on or off for the proxy. Enable it if you want XRDB to improve titles, descriptions, and episode text coming from another addon. Leave it off if you want to preserve the addon text exactly as it arrives. Most users should turn it on.
Merge mode (translateMetaMode) Controls how careful or aggressive XRDB should be when deciding whether to replace addon text. Pick the mode based on whether you want to preserve existing addon wording, prefer exact localized text, or prefer TMDB as the main source. See the merge mode table below.
Attach debug provenance (debugMetaTranslation) Adds a debug object to each proxied item showing where the final text came from. Use it when checking whether text came from the addon itself, TMDB, AniList, or Kitsu. Turn it back off for normal use. Testing, debugging, and comparing behavior.

Merge Mode Guide

Mode What It Feels Like Best When Less Ideal When
fill-missing Conservative and practical. Keeps good addon text, but replaces blanks, empty fields, and obvious placeholders like N/A. You want the safest behavior for general use. You want TMDB wording to win even when the addon already has decent text.
prefer-source Very conservative. If the addon already sent text, XRDB keeps it. You trust the source addon and only want help when a field is truly absent. The addon often sends weak placeholders like N/A, unknown, or tbd, because this mode keeps them.
prefer-requested-language Puts language matching first. XRDB replaces existing text only when it finds an exact match for your requested language, then still fills gaps when needed. You want stronger localization without replacing text with the wrong regional variant. You want the most aggressive TMDB based behavior, or you do not care about exact language matching.
prefer-tmdb Most opinionated. If TMDB has text, XRDB usually uses it. You want one consistent source and prefer TMDB wording over addon wording. You like the addon's custom descriptions, naming, or editorial style.

Example: if you request fr-BE, prefer-requested-language will not treat fr-FR as the same thing when deciding whether to replace existing text.

Which Mode Should You Pick?

If You Want... Use This Mode Why
The safest overall default fill-missing It improves bad metadata without unnecessarily replacing good text.
To keep the source addon mostly untouched prefer-source XRDB only fills fields that are actually missing.
Better localization with strict language matching prefer-requested-language It only replaces text when the requested language is a real match, which helps avoid awkward regional substitutions.
TMDB wording whenever possible prefer-tmdb It gives you the most consistent TMDB based result.

Simple Advice

  • For most users: turn on metadata translation and leave Merge mode on fill-missing
  • For people who mainly care about exact localized wording: prefer-requested-language
  • For people who trust the source addon more than TMDB: prefer-source
  • For people who want TMDB to be the main voice everywhere: prefer-tmdb

Anime gets extra fallback help when possible. If TMDB is missing good text, XRDB can still use anime mapping plus AniList or Kitsu data to fill gaps.

Metadata Translation In Action

These screenshots were regenerated from the local March 27, 2026 codebase using deterministic proxy fixtures.

To make each merge mode visible on demand, a local fixture addon returned controlled source addon metadata for three real IDs:

  1. tt0133093 (The Matrix) with placeholder movie text (N/A, blank overview)
  2. tt0944947 (Game of Thrones) with good top level source addon text plus mixed episode text
  3. mal:16498 (Attack on Titan) with blank anime text so TMDB and anime fallback behavior are both observable

The fixture environment also mocked the TMDB, anime mapping, AniList, and Kitsu lookups needed for those cases so the screenshots stay reproducible and do not expose live API keys in the captured output.

Settings Panel

Proxy metadata translation settings

Fill Missing in French (France) replaces placeholder movie fields with TMDB French text.

Fill missing movie example in French

Prefer Requested Language in French (Belgium) preserves good source addon series text when TMDB does not have an exact regional match, while still filling missing episode fields.

Prefer requested language show example in French Belgium

Anime fallback in English (United Kingdom): Prefer Requested Language falls back to anime native text when TMDB only has exact English (United States), and provenance records the fallback source.

Anime fallback example in English United Kingdom

Production validation for this feature covered French (France), French (Belgium), English (United States), and English (United Kingdom).

Environment Variables

Copy env.template to .env and adjust as needed. All cache TTL values are in milliseconds.

Proxy & Security

Variable Default Description
XRDB_TRUST_PROXY_HEADERS false Trust x-forwarded-host / x-forwarded-proto when behind a reverse proxy
XRDB_PROXY_ALLOWED_ORIGINS (empty) Comma separated CORS allowlist. Empty = *
XRDB_PREVIEW_ORIGIN http://127.0.0.1:3000 Preview fetch origin used by /preview/{slug} before falling back to the container hostname and public origin
XRDB_PORT 3000 Host port used by local-compose.yaml
XRDB_DATA_DIR ./data Host path mounted to /app/data by local-compose.yaml
DOCKER_DATA_DIR ./data Root host data path used by compose.yaml, which mounts ${DOCKER_DATA_DIR}/xrdb into /app/data
DOCKER_NETWORK aio_default Docker network name used by compose.yaml
DOCKER_NETWORK_EXTERNAL true Marks DOCKER_NETWORK as an external network for the VPS stack file
XRDB_HOSTNAME required for compose.yaml Host rule value used by the Traefik labels
XRDB_TRAEFIK_ENTRYPOINTS websecure Traefik entrypoints label value
XRDB_TRAEFIK_CERTRESOLVER letsencrypt Traefik certresolver label value
XRDB_README_PREVIEW_TMDB_KEY (empty) Optional dedicated TMDB key for the fixed README preview gallery route
XRDB_README_PREVIEW_MDBLIST_KEY (empty) Optional dedicated MDBList key for the fixed README preview gallery route
XRDB_TMDB_API_BASE_URL https://api.themoviedb.org/3 Optional TMDB API base URL override used by image rendering and proxy translation
XRDB_ANILIST_GRAPHQL_URL https://graphql.anilist.co Optional AniList GraphQL endpoint override
XRDB_ANIME_MAPPING_BASE_URL https://animemapping.stremio.dpdns.org Optional anime mapping service base URL override used by image rendering and proxy translation
XRDB_KITSU_API_BASE_URL https://kitsu.io/api/edge Optional Kitsu API base URL override used by image rendering and proxy translation
XRDB_MAL_CLIENT_ID (empty) Optional MyAnimeList v2 client id used for direct myanimelist ratings
XRDB_TRAKT_CLIENT_ID (empty) Optional Trakt client id used for direct trakt ratings
OMDB_KEY (empty) Optional server side OMDb key used for posterArtworkSource=omdb (also OMDB_API_KEY and XRDB_OMDB_API_KEY)
SIMKL_CLIENT_ID (empty) Optional SIMKL client id used for direct simkl ratings (also XRDB_SIMKL_CLIENT_ID)
XRDB_SIMKL_APP_NAME xrdb Simkl app name sent in required app-name query parameter
XRDB_SIMKL_APP_VERSION 1.0 Simkl app version sent in required app-version query parameter
XRDB_MAL_API_BASE_URL https://api.myanimelist.net/v2 Optional MyAnimeList API base URL override
XRDB_JIKAN_API_BASE_URL https://api.jikan.moe/v4 Optional Jikan API base URL override for unauthenticated MAL fallback
XRDB_TRAKT_API_BASE_URL https://api.trakt.tv Optional Trakt API base URL override
XRDB_OMDB_API_BASE_URL https://www.omdbapi.com Optional OMDb API base URL override used for OMDb poster lookups

Cache TTLs

When these vars are unset, XRDB uses the runtime defaults shown below. The bundled docker compose setup now defers to those app defaults instead of hardcoding separate cache TTL values.

Variable Default Min Max Description
XRDB_TMDB_CACHE_TTL_MS 3 days 10 min 30 days TMDB metadata
XRDB_MDBLIST_CACHE_TTL_MS 3 days 10 min 30 days MDBList ratings
XRDB_KITSU_CACHE_TTL_MS 3 days 10 min 30 days Kitsu anime
XRDB_OMDB_CACHE_TTL_MS 3 days 10 min 30 days OMDb poster lookups
XRDB_SIMKL_CACHE_TTL_MS 3 days 10 min 30 days SIMKL ratings
XRDB_SIMKL_ID_CACHE_TTL_MS 30 days 10 min 30 days Simkl id resolution cache
XRDB_SIMKL_ID_EMPTY_CACHE_TTL_MS 1 day 10 min 30 days Simkl empty id lookup cache
XRDB_TORRENTIO_CACHE_TTL_MS 6 hours 10 min 7 days Torrentio stream badges
XRDB_PROVIDER_ICON_CACHE_TTL_MS 7 days 1 hour 30 days Rating provider icons
XRDB_IMDB_DATASET_CACHE_TTL_MS 7 days 1 hour 365 days Local IMDb dataset
XRDB_MDBLIST_OLD_MOVIE_CACHE_TTL_MS 7 days 1 hour 30 days Extended cache for old media
XRDB_MDBLIST_OLD_MOVIE_AGE_DAYS 365 30 3,650 Age threshold for "old media" logic
XRDB_MDBLIST_RATE_LIMIT_COOLDOWN_MS 1 day 30 sec 7 days Cooldown after MDBList rate limit

IMDb Dataset Sync

Variable Default Description
XRDB_IMDB_DATASET_AUTO_DOWNLOAD true Automatically download the IMDb ratings dataset when it is missing or stale
XRDB_IMDB_DATASET_AUTO_IMPORT true Automatically import downloaded IMDb ratings into the local SQLite cache
XRDB_IMDB_RATINGS_DATASET_PATH ./data/imdb/title.ratings.tsv.gz Local path for the IMDb ratings dataset
XRDB_IMDB_DATASET_REFRESH_MS 259200000 Refresh interval for the IMDb dataset sync job
XRDB_IMDB_DATASET_CHECK_INTERVAL_MS 900000 Poll interval used to decide whether a refresh is due
XRDB_IMDB_DATASET_BASE_URL https://datasets.imdbws.com Base URL used for ratings dataset downloads
XRDB_IMDB_RATINGS_DATASET_URL https://datasets.imdbws.com/title.ratings.tsv.gz Override URL for the IMDb ratings dataset
XRDB_IMDB_DATASET_IMPORT_BATCH 5000 Batch size used during SQLite imports
XRDB_IMDB_DATASET_IMPORT_PROGRESS 0 Optional persisted import progress marker for resumable imports
XRDB_IMDB_DATASET_LOG false Enable verbose IMDb dataset sync logging

Torrentio

Variable Default Description
XRDB_TORRENTIO_BASE_URL https://torrentio.strem.fun Custom Torrentio instance URL
XRDB_TORRENTIO_CONCURRENCY 2 Max parallel Torrentio badge fetches. Higher can improve throughput, but also increases the chance of source rate limiting.
XRDB_TORRENTIO_RATE_LIMIT_COOLDOWN_MS 900000 Cooldown window after Torrentio responds with rate limiting.

Note: Torrentio requests use HTTP_PROXY / HTTPS_PROXY env vars (via undici ProxyAgent) when set.

Sharp Rendering (advanced)

When the Sharp env vars are unset, XRDB currently applies conservative app defaults instead of deferring to Sharp's own library defaults: concurrency 2, cache memory 128 MB, cache items 100, and cache files 200.

Variable Default Description
XRDB_SHARP_CONCURRENCY 2 Max Sharp threads
XRDB_SHARP_CACHE_MEMORY_MB 128 Memory (MB) for the Sharp cache
XRDB_SHARP_CACHE_ITEMS 100 Max cached items
XRDB_SHARP_CACHE_FILES 200 Max cached files/handles

Live Demo Cards

Live Configurator Workspace
The current configurator and preview workspace running on `xrdb.ibbylabs.dev`.
Live Proxy Workspace
The current proxy panel and export flow running on `xrdb.ibbylabs.dev`.
Open the live XRDB configurator workspace Open the live XRDB proxy workspace

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