diff --git a/.github/actions/cache/restore/action.yml b/.github/actions/cache/restore/action.yml
new file mode 100644
index 00000000..609c61cf
--- /dev/null
+++ b/.github/actions/cache/restore/action.yml
@@ -0,0 +1,30 @@
+name: Restore cache
+description: Restore cache using actions/cache/restore
+inputs:
+  key:
+    description: 'An explicit key for restoring the cache'
+    required: true
+  restore-keys:
+    description: 'An ordered multiline string listing the prefix-matched keys, that are used for restoring stale cache if no cache hit occurred for key. Note `cache-hit` returns false in this case.'
+    required: true
+outputs:
+  cache-primary-key:
+    description: 'A resolved cache key for which cache match was attempted'
+    value: ${{ steps.cache-action-restore.outputs.cache-primary-key }}
+
+runs:
+  using: "composite"
+  steps:
+    - id: cache-action-restore
+      uses: actions/cache/restore@v4.2.3
+      with:
+        key: ${{ inputs.key }}
+        restore-keys: ${{ inputs.restore-keys }}
+        path: |
+          ~/.cache/sccache
+          ~/.cargo/registry
+          ~/.cargo/git
+          ~/.cargo/bin
+          ~/.cargo/.crates.toml
+          ~/.cargo/.crates2.json
+          ~/work/**/target
diff --git a/.github/actions/cache/save/action.yml b/.github/actions/cache/save/action.yml
new file mode 100644
index 00000000..caab50cc
--- /dev/null
+++ b/.github/actions/cache/save/action.yml
@@ -0,0 +1,21 @@
+name: Save cache
+description: Save cache using actions/cache/save
+inputs:
+  key:
+    description: 'An explicit key for saving the cache'
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+    - uses: actions/cache/save@v4.2.3
+      with:
+        key: ${{ inputs.key }}
+        path: |
+          ~/.cache/sccache
+          ~/.cargo/registry
+          ~/.cargo/git
+          ~/.cargo/bin
+          ~/.cargo/.crates.toml
+          ~/.cargo/.crates2.json
+          ~/work/**/target
diff --git a/.github/actions/pre-commit/dependencies/action.yml b/.github/actions/pre-commit/dependencies/action.yml
new file mode 100644
index 00000000..5d939944
--- /dev/null
+++ b/.github/actions/pre-commit/dependencies/action.yml
@@ -0,0 +1,23 @@
+name: Install pre-commit dependencies
+description: Install pre-commit dependencies
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install Rust
+      uses: actions-rust-lang/setup-rust-toolchain@v1.13.0
+      with:
+        toolchain: nightly-2025-01-06, stable
+        override: true
+        components: rustfmt, clippy
+        cache: 'false'
+
+    # For more tools, see: https://github.com/taiki-e/install-action/blob/main/TOOLS.md
+    - name: Install Rust tools
+      uses: taiki-e/install-action@v2.57.8
+      with:
+        tool: cargo-binstall,just,cargo-nextest,typos
+
+    - name: Install NPM stuff from helpers/npm-install-g.txt
+      shell: bash
+      run: ./helpers/npm-install-g.sh
diff --git a/.github/workflows/cli.yml b/.github/workflows/cli.yml
deleted file mode 100644
index 0cba14d5..00000000
--- a/.github/workflows/cli.yml
+++ /dev/null
@@ -1,60 +0,0 @@
-# Github workflow to build and test the Nexus CLI code
-
-name: Nexus CLI
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-# Fix for OOM.
-env:
-  CARGO_BUILD_JOBS: 1
-  CARGO_INCREMENTAL: 0
-  RUSTFLAGS: >
-    -C codegen-units=1
-
-jobs:
-  detect-changes:
-    uses: ./.github/workflows/detect_changes.yml
-    with:
-      files: |
-        cli/**
-  # 1. Install Rust
-  # 2. Install Rust cache
-  # 3. Install just
-  # 4. Build, fmt, clippy and test the CLI
-  build-and-test:
-    name: Build and test
-    runs-on: ubuntu-latest
-    needs: detect-changes
-    if: needs.detect-changes.outputs.changed == 'true'
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v4
-
-      # 1.
-      - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          toolchain: stable, nightly-2025-01-06
-          override: true
-          components: rustfmt, clippy
-
-      # 2.
-      - name: Cache Build
-        uses: Swatinem/rust-cache@v2
-        with:
-          workspaces: cli
-
-      # 3
-      - uses: taiki-e/install-action@just
-
-      # 4
-      - run: cargo +stable --version
-      - run: cargo +nightly-2025-01-06 --version
-      - run: just cli check
-      - run: just cli fmt-check
-      - run: just cli clippy
-      - run: just cli test
-      - run: just cli test-completions
diff --git a/.github/workflows/pre-commit_(PR).yml b/.github/workflows/pre-commit_(PR).yml
new file mode 100644
index 00000000..9b92956d
--- /dev/null
+++ b/.github/workflows/pre-commit_(PR).yml
@@ -0,0 +1,60 @@
+name: Pre-commit hook (PR)
+on:
+  pull_request:
+
+# Fix for OOM.
+env:
+  RUST_CACHE_VERBOSE: true
+  CARGO_BUILD_JOBS: 1
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: >
+    -C codegen-units=1
+
+
+jobs:
+  run-pre-commit:
+    name: Run pre-commit hook (PR branch)
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get architecture
+        id: get-arch
+        run: echo "ARCH=$(uname -m)" >> $GITHUB_OUTPUT
+
+      - name: Check out repository code
+        uses: actions/checkout@v4
+
+      - name: Compute cache keys
+        id: cache-keys
+        run: |
+          # `main` branch cache keys
+          echo "MAIN_CACHE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-main-${{ hashFiles('**/Cargo.lock') }}" >> $GITHUB_OUTPUT
+          echo "MAIN_CACHE_RESTORE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-main-" >> $GITHUB_OUTPUT
+          # PR branch cache keys
+          echo "PR_CACHE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-PR-${{ hashFiles('**/Cargo.lock') }}" >> $GITHUB_OUTPUT
+          echo "PR_CACHE_RESTORE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-PR-" >> $GITHUB_OUTPUT
+
+      # Restoring the PR cache takes into account:
+      #
+      #   1. The PR cache itself, which is used to speed up the PR development cycle.
+      #   2. In case the above is missing, the main branch cache, which is used to bootstrap the PR cache.
+      - name: Restore cache (PR)
+        id: cache-restore
+        uses: ./.github/actions/cache/restore
+        with:
+          key: ${{ steps.cache-keys.outputs.PR_CACHE_KEY }}
+          restore-keys: |
+            ${{ steps.cache-keys.outputs.PR_CACHE_RESTORE_KEY }}
+            ${{ steps.cache-keys.outputs.MAIN_CACHE_RESTORE_KEY }}
+
+      - name: Install pre-commit dependencies
+        uses: ./.github/actions/pre-commit/dependencies
+
+      # Here it is ...
+      - name: Run pre-commit hook
+        run: ./.pre-commit/pre-commit
+
+      - name: Save cache (PR)
+        uses: ./.github/actions/cache/save
+        if: ${{ always() }}
+        with:
+          key: ${{ steps.cache-restore.outputs.cache-primary-key }}
diff --git a/.github/workflows/pre-commit_(main).yml b/.github/workflows/pre-commit_(main).yml
new file mode 100644
index 00000000..88ee2859
--- /dev/null
+++ b/.github/workflows/pre-commit_(main).yml
@@ -0,0 +1,58 @@
+name: Pre-commit hook (main)
+on:
+  push:
+    branches:
+      - main
+
+# Fix for OOM.
+env:
+  RUST_CACHE_VERBOSE: true
+  CARGO_BUILD_JOBS: 1
+  CARGO_INCREMENTAL: 0
+  RUSTFLAGS: >
+    -C codegen-units=1
+
+jobs:
+  run-pre-commit:
+    name: Run pre-commit hook (main branch)
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get architecture
+        id: get-arch
+        run: echo "ARCH=$(uname -m)" >> $GITHUB_OUTPUT
+
+      - name: Check out repository code
+        uses: actions/checkout@v4
+
+      - name: Compute cache keys
+        id: cache-keys
+        run: |
+          # `main` branch cache keys
+          echo "MAIN_CACHE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-main-${{ hashFiles('**/Cargo.lock') }}" >> $GITHUB_OUTPUT
+          echo "MAIN_CACHE_RESTORE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-main-" >> $GITHUB_OUTPUT
+          # PR branch cache keys
+          echo "PR_CACHE_RESTORE_KEY=v7-${{ runner.os }}-${{ steps.get-arch.outputs.ARCH }}-PR-" >> $GITHUB_OUTPUT
+
+      - name: Restore cache (main)
+        id: cache-restore
+        uses: ./.github/actions/cache/restore
+        with:
+          key: ${{ steps.cache-keys.outputs.MAIN_CACHE_KEY }}
+          restore-keys: |
+            ${{ steps.cache-keys.outputs.MAIN_CACHE_RESTORE_KEY }}
+            ${{ steps.cache-keys.outputs.MAIN_CACHE_RESTORE_KEY0 }}
+            ${{ steps.cache-keys.outputs.PR_CACHE_RESTORE_KEY }}
+
+      - name: Install pre-commit dependencies
+        uses: ./.github/actions/pre-commit/dependencies
+
+      # Here it is ...
+      - name: Run pre-commit hook
+        run: ./.pre-commit/pre-commit
+
+
+      - name: Save cache (main)
+        uses: ./.github/actions/cache/save
+        if: ${{ always() }}
+        with:
+          key: ${{ steps.cache-restore.outputs.cache-primary-key }}
diff --git a/.github/workflows/sdk.yml b/.github/workflows/sdk.yml
deleted file mode 100644
index c27a5c31..00000000
--- a/.github/workflows/sdk.yml
+++ /dev/null
@@ -1,62 +0,0 @@
-# Github workflow to build and test the Nexus SDK code
-
-name: Nexus SDK
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-# Fix for OOM.
-env:
-  CARGO_BUILD_JOBS: 1
-  CARGO_INCREMENTAL: 0
-  RUSTFLAGS: >
-    -C codegen-units=1
-
-jobs:
-  detect-changes:
-    uses: ./.github/workflows/detect_changes.yml
-    with:
-      files: |
-        sdk/**
-  # 1. Install Rust
-  # 2. Install Rust cache
-  # 3. Install just
-  # 4. Build, fmt, clippy and test the Nexus SDK
-  build-and-test:
-    name: Build and test
-    runs-on: ubuntu-latest
-    needs: detect-changes
-    if: needs.detect-changes.outputs.changed == 'true'
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v4
-
-      - name: Set up Docker
-        uses: docker/setup-docker-action@v4
-
-      # 1.
-      - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          toolchain: stable, nightly-2025-01-06
-          override: true
-          components: rustfmt, clippy
-
-      # 2.
-      - name: Cache Build
-        uses: Swatinem/rust-cache@v2
-        with:
-          workspaces: sdk
-
-      # 3.
-      - uses: taiki-e/install-action@just
-
-      # 4
-      - run: cargo +stable --version
-      - run: cargo +nightly-2025-01-06 --version
-      - run: just sdk check
-      - run: just sdk fmt-check
-      - run: just sdk clippy
-      - run: just sdk test
diff --git a/.github/workflows/toolkit-rust.yml b/.github/workflows/toolkit-rust.yml
deleted file mode 100644
index c3bbbe6c..00000000
--- a/.github/workflows/toolkit-rust.yml
+++ /dev/null
@@ -1,59 +0,0 @@
-# Github workflow to build and test the Nexus Toolkit for Rust code
-
-name: Nexus Toolkit for Rust
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-# Fix for OOM.
-env:
-  CARGO_BUILD_JOBS: 1
-  CARGO_INCREMENTAL: 0
-  RUSTFLAGS: >
-    -C codegen-units=1
-
-jobs:
-  detect-changes:
-    uses: ./.github/workflows/detect_changes.yml
-    with:
-      files: |
-        toolkit-rust/**
-  # 1. Install Rust
-  # 2. Install Rust cache
-  # 3. Install just
-  # 4. Build, fmt, clippy and test the Toolkit for Rust
-  build-and-test:
-    name: Build and test
-    runs-on: ubuntu-latest
-    needs: detect-changes
-    if: needs.detect-changes.outputs.changed == 'true'
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v4
-
-      # 1.
-      - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          toolchain: stable, nightly-2025-01-06
-          override: true
-          components: rustfmt, clippy
-
-      # 2.
-      - name: Cache Build
-        uses: Swatinem/rust-cache@v2
-        with:
-          workspaces: toolkit-rust
-
-      # 3.
-      - uses: taiki-e/install-action@just
-
-      # 4
-      - run: cargo +stable --version
-      - run: cargo +nightly-2025-01-06 --version
-      - run: just toolkit-rust check
-      - run: just toolkit-rust fmt-check
-      - run: just toolkit-rust clippy
-      - run: just toolkit-rust test
diff --git a/.github/workflows/tools.yml b/.github/workflows/tools.yml
deleted file mode 100644
index de718fe3..00000000
--- a/.github/workflows/tools.yml
+++ /dev/null
@@ -1,59 +0,0 @@
-# Github workflow to build and test the native Nexus Tools code
-
-name: Native Nexus Tools
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-# Fix for OOM.
-env:
-  CARGO_BUILD_JOBS: 1
-  CARGO_INCREMENTAL: 0
-  RUSTFLAGS: >
-    -C codegen-units=1
-
-jobs:
-  detect-changes:
-    uses: ./.github/workflows/detect_changes.yml
-    with:
-      files: |
-        tools/**
-  # 1. Install Rust
-  # 2. Install Rust cache
-  # 3. Install just
-  # 4. Build, fmt, clippy and test the native Nexus Tools
-  build-and-test:
-    name: Build and test
-    runs-on: ubuntu-latest
-    needs: detect-changes
-    if: needs.detect-changes.outputs.changed == 'true'
-    steps:
-      - name: Check out repository code
-        uses: actions/checkout@v4
-
-      # 1.
-      - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1
-        with:
-          toolchain: stable, nightly-2025-01-06
-          override: true
-          components: rustfmt, clippy
-
-      # 2.
-      - name: Cache Build
-        uses: Swatinem/rust-cache@v2
-        with:
-          workspaces: tools
-
-      # 3.
-      - uses: taiki-e/install-action@just
-
-      # 4
-      - run: cargo +stable --version
-      - run: cargo +nightly-2025-01-06 --version
-      - run: just tools check
-      - run: just tools fmt-check
-      - run: just tools clippy
-      - run: just tools test
diff --git a/.pre-commit/.just b/.pre-commit/.just
index a3e2f0e0..dd90d707 100644
--- a/.pre-commit/.just
+++ b/.pre-commit/.just
@@ -1,4 +1,4 @@
-import '../just/_helpers.just'
+import '../helpers/helpers.just'
 
 [private]
 _default:
@@ -32,7 +32,7 @@ check-container-runtime:
     # We of course assume the (test) code is written in a
     # container runtime agnostic way but this will require some
     # investigation, so:
-    # TODO: https://github.com/Talus-Network/nexus-sdk/issues/262
+    # NOTE: https://github.com/Talus-Network/nexus-sdk/issues/262
 
     runtimes=(docker podman) # colima etc ...
     check_commands=(
@@ -71,13 +71,13 @@ check-container-runtime:
 
 # cargo clippy --all-targets --all-features
 cargo-clippy: _check-cargo
-    cargo clippy --all-targets --all-features
+    cargo clippy --locked --all-targets --all-features
 
 
 # TODO: Perhaps consider this stricter version in the future.
 # cargo clippy --all-targets --all-features -- -D warnings
 cargo-clippy-strict: _check-cargo
-    cargo clippy --all-targets --all-features -- -D warnings
+    cargo clippy --locked --all-targets --all-features -- -D warnings
 
 
 # cargo nextest run --locked --no-run --workspace --all-features --bins --examples --tests
@@ -90,7 +90,6 @@ cargo-nextest-build: _check-cargo-nextest
 # cargo nextest run --locked --fail-fast --workspace --all-features --bins --examples --tests
 cargo-nextest-run: _check-cargo-nextest
     # Note that tests require docker to be running.
-    # TODO: https://github.com/Talus-Network/nexus-sdk/issues/254
     cargo nextest run --locked --fail-fast --workspace --all-features --bins --examples --tests
 
 
@@ -189,3 +188,37 @@ typos: _check-typos
     cd $(git rev-parse --show-toplevel)
 
     typos
+
+# Test completions (bash for now)
+test-cli-completions:
+    #!/usr/bin/env bash
+
+    source <(cargo +stable run --locked --package nexus-cli completion bash)
+
+executable-scripts:
+    #!/usr/bin/env bash
+
+    set -euo pipefail
+
+    error=0
+
+    cd $(git rev-parse --show-toplevel)
+
+    for f in $(git ls-files); do
+        first_line=$(head -n 1 "$f")
+
+        # see if the first line is a shell shebang
+        if [[ "$first_line" =~ ^(#! *) ]]; then
+            # ... of the correct format, we checked that in another script.
+            if [[ "$first_line" =~ ^(#! */usr/bin/env *) ]]; then
+                if [[ ! -x "$f" ]]; then
+                  echo "❌  $f is not executable" >&2
+                  error=1
+                else
+                  echo "✅  $f" >&2
+                fi
+            fi
+        fi
+    done
+
+    exit $error
diff --git a/.pre-commit/11-test-cli-completions b/.pre-commit/11-test-cli-completions
new file mode 100755
index 00000000..0ea7a1f7
--- /dev/null
+++ b/.pre-commit/11-test-cli-completions
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+exec just pre-commit::test-cli-completions
diff --git a/.pre-commit/12-executable-scripts b/.pre-commit/12-executable-scripts
new file mode 100755
index 00000000..3be7a9e3
--- /dev/null
+++ b/.pre-commit/12-executable-scripts
@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+exec just pre-commit::executable-scripts
diff --git a/.pre-commit/pre-commit b/.pre-commit/pre-commit
index 7a4e0637..b814d394 100755
--- a/.pre-commit/pre-commit
+++ b/.pre-commit/pre-commit
@@ -4,7 +4,7 @@
 # Source: https://github.com/loverdos/pre-commit
 
 # shellcheck disable=SC2034
-SCRIPT_VERSION=14
+SCRIPT_VERSION=16
 
 # shellcheck disable=SC2034
 SCRIPT_ID=AF13AE47-34E0-41FA-8FF8-AF660A922C6A
@@ -100,6 +100,14 @@ function backup_file() {
     mv "$file" "$new_location"
 }
 
+function sec_to_mmss() {
+    local time_sec=$1
+    local time_min=$((time_sec / 60))
+    time_sec=$((time_sec % 60))
+
+    printf "%02d:%02d" $time_min $time_sec
+}
+
 function install() {
     LOG "Begin installation process from $MY_PATH to $git_root"
 
@@ -169,9 +177,9 @@ function run() {
     local successes=0
     local failures=0
     local mark=""
-    local time_sec=0
-    local time_min=0
-    local time=""
+    local script_seconds=0
+    local script_time=""
+    local script_times=()
 
     LOG "Running pre-commit hook"
     SECONDS=0 # bash builtin ;)
@@ -188,12 +196,19 @@ function run() {
         LOG
         LOG "Run: $script"
 
+        script_seconds=$SECONDS
+        
         $script
         status=$?
+        
+        script_seconds=$((SECONDS - script_seconds))
 
         cmds+=("$script")
         cmd_statuses+=("$status")
 
+        script_time=$(sec_to_mmss $script_seconds)
+        script_times+=("$script_time")
+
         if ((status == 0)); then
             ((successes++))
             mark="✅"
@@ -206,23 +221,20 @@ function run() {
     done
     set -e
 
-    time_sec=$SECONDS
-    time_min=$((time_sec / 60))
-    time_sec=$((time_sec % 60))
-    time=$(printf "%02d:%02d" $time_min $time_sec)
+    time=$(sec_to_mmss $SECONDS)
 
     LOG
     LOG "Results: $successes success(es), $failures failure(s)"
-    LOG "     In: $time (min:sec)"
+    LOG "     In: $time [min:sec]"
     LOG
 
     local result=0
 
     for i in "${!cmds[@]}"; do
         if ((cmd_statuses[i] == 0)); then
-            LOG "✅ ${cmds[i]}"
+            LOG "✅ [${script_times[i]}] ${cmds[i]}"
         else
-            LOG "❌ ${cmds[i]}"
+            LOG "❌ [${script_times[i]}] ${cmds[i]}"
             result=1
         fi
     done
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7b248fec..b7fa92ce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,7 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - CONTRIBUTING.md
 - CODE_OF_CONDUCT.md
-- `pre-commit` hook
+- `pre-commit` hook (also in CI)
 
 ### `nexus-cli`
 
diff --git a/cli/.just b/cli/.just
index 44cf2e43..a61b18f6 100644
--- a/cli/.just
+++ b/cli/.just
@@ -4,7 +4,7 @@
 # Commands related the Nexus CLI
 #
 
-import '../just/_helpers.just'
+import '../helpers/helpers.just'
 
 package := 'nexus-cli'
 
@@ -24,12 +24,6 @@ check: _check-cargo
 test: _check-cargo
     cargo +stable test --package {{ package }}
 
-# Test completions (bash for now)
-test-completions: build
-    #!/usr/bin/env bash
-
-    source <(cargo +stable run --package {{ package }} completion bash)
-
 # Run rustfmt on the CLI project
 fmt-check: _check-cargo
     cargo +nightly-2025-01-06 fmt --package {{ package }} --check
diff --git a/helpers/helpers.just b/helpers/helpers.just
new file mode 100644
index 00000000..73f29667
--- /dev/null
+++ b/helpers/helpers.just
@@ -0,0 +1,115 @@
+
+[private]
+_check-cargo:
+    #!/usr/bin/env bash
+
+    if ! command -v cargo &> /dev/null
+    then
+        echo "cargo could not be found"
+        echo "Install cargo from https://doc.rust-lang.org/cargo/getting-started/installation.html"
+        exit 1
+    fi
+
+[private]
+_check-cargo-nextest: _check-cargo
+    #!/usr/bin/env bash
+
+    if ! command -v cargo-nextest &> /dev/null
+    then
+        echo "cargo-nextest could not be found"
+        echo "Install cargo-nextest from https://nexte.st/"
+        exit 1
+    fi
+
+[private]
+_check-markdownlint-cli2:
+    #!/usr/bin/env bash
+
+    exe=markdownlint-cli2
+    if ! command -v $exe &> /dev/null
+    then
+        echo "$exe could not be found"
+        echo "Install $exe from https://github.com/DavidAnson/$exe"
+        exit 1
+    fi
+
+[private]
+_check-typos:
+    #!/usr/bin/env bash
+
+    exe=typos
+    if ! command -v $exe &> /dev/null
+    then
+        echo "$exe could not be found"
+        echo "Install $exe from https://github.com/crate-ci/typos"
+        exit 1
+    fi
+
+[private]
+detect-changes +GLOBS:
+    #!/usr/bin/env bash
+
+    set -euo pipefail
+
+    GLOBS="{{GLOBS}}"
+    REGEXES=() # technically not needed but useful for debugging
+    BIG_REGEX=""
+
+    function LOG() {
+        echo "== $*" >&2
+    }
+
+    # Get list of changed files compared to last commit
+    changed_files=$(git diff --name-only HEAD)
+    LOG "Changed files: $changed_files"
+    ## If GLOBS is not set, we just output the changed files
+    #if [[ -z "${GLOBS}" ]]; then
+    #  echo "$changed_files"
+    #  exit 0
+    #fi
+
+    # Convert simple globs to regexes. By simple we mean `**` and `*` stuff.
+    #
+    # We support either separate globs:
+    #
+    #   '**/*.rs' '*.md'
+    #
+    # or one big string with space-separated globs:
+    #
+    #   '**/*.rs' '*.md'
+    #
+    # Both will give the same result, one big regex:
+    #
+    #   '^.*/[^/]*\.rs$|^[^/]*\.md$'
+    #
+    for glob in $(echo "$GLOBS"); do
+        # Escape special characters and convert to regex
+        regex=$(echo "$glob" |\
+            # We do the following transformations:
+            #   1. escape common regex meta
+            #   2. create a temporary token for **
+            #   3. convert * to [^/]* (matches any character except /)
+            #   4. convert ** to .*
+            sed -e 's/[.[\^$()+{}|]/\\&/g' \
+                -e 's#\*\*#__GLOBSTAR__#g' \
+                -e 's#\*#[^/]*#g' \
+                -e 's#__GLOBSTAR__#.*#g')
+
+        # match the whole string, so we add ^ and $ at the beginning and end
+        regex="^$regex\$"
+
+        if [[ -z "$BIG_REGEX" ]]; then
+            BIG_REGEX="$regex"
+        else
+            BIG_REGEX+="|$regex"
+        fi
+
+        REGEXES+=("$regex")
+
+        LOG "Glob: $glob => Regex: $regex"
+    done
+
+    LOG "Big regex: $BIG_REGEX"
+    LOG ""
+
+    grep -E "$BIG_REGEX" <<< "$changed_files"
diff --git a/helpers/npm-install-g.sh b/helpers/npm-install-g.sh
new file mode 100755
index 00000000..5bc0f273
--- /dev/null
+++ b/helpers/npm-install-g.sh
@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+# Go to the root of the git repository
+cd $(git rev-parse --show-toplevel)
+
+# Install NPM stuff from helpers/npm-install-g.txt
+while read -r tool_at_version; do
+  # Split the tool name and version
+  tool=$(echo "$tool_at_version" | cut -d'@' -f1)
+
+  if ! command -v "$tool" &> /dev/null; then
+    echo "Installing tool: $tool_at_version"
+    npm install -g "$tool_at_version"
+  else
+    echo "Tool already installed: $tool_at_version"
+  fi
+done < helpers/npm-install-g.txt
diff --git a/helpers/npm-install-g.txt b/helpers/npm-install-g.txt
new file mode 100644
index 00000000..f4537ac3
--- /dev/null
+++ b/helpers/npm-install-g.txt
@@ -0,0 +1 @@
+markdownlint-cli2@0.18.1
diff --git a/just/_helpers.just b/just/_helpers.just
deleted file mode 100644
index 9d4cbbbe..00000000
--- a/just/_helpers.just
+++ /dev/null
@@ -1,46 +0,0 @@
-
-[private]
-_check-cargo:
-    #!/usr/bin/env bash
-
-    if ! command -v cargo &> /dev/null
-    then
-        echo "cargo could not be found"
-        echo "Install cargo from https://doc.rust-lang.org/cargo/getting-started/installation.html"
-        exit 1
-    fi
-
-[private]
-_check-cargo-nextest: _check-cargo
-    #!/usr/bin/env bash
-
-    if ! command -v cargo-nextest &> /dev/null
-    then
-        echo "cargo-nextest could not be found"
-        echo "Install cargo-nextest from https://nexte.st/"
-        exit 1
-    fi
-
-[private]
-_check-markdownlint-cli2:
-    #!/usr/bin/env bash
-
-    exe=markdownlint-cli2
-    if ! command -v $exe &> /dev/null
-    then
-        echo "$exe could not be found"
-        echo "Install $exe from https://github.com/DavidAnson/$exe"
-        exit 1
-    fi
-
-[private]
-_check-typos:
-    #!/usr/bin/env bash
-
-    exe=typos
-    if ! command -v $exe &> /dev/null
-    then
-        echo "$exe could not be found"
-        echo "Install $exe from https://github.com/crate-ci/typos"
-        exit 1
-    fi
diff --git a/sdk/.just b/sdk/.just
index b5cff5b6..ebd02905 100644
--- a/sdk/.just
+++ b/sdk/.just
@@ -4,7 +4,7 @@
 # Commands related the Nexus SDK.
 #
 
-import '../just/_helpers.just'
+import '../helpers/helpers.just'
 
 package := 'nexus-sdk'
 
diff --git a/toolkit-rust/.just b/toolkit-rust/.just
index d266be38..0d27f4b4 100644
--- a/toolkit-rust/.just
+++ b/toolkit-rust/.just
@@ -4,7 +4,7 @@
 # Commands related the Nexus Toolkit for Rust
 #
 
-import '../just/_helpers.just'
+import '../helpers/helpers.just'
 
 package := 'nexus-toolkit'
 
diff --git a/tools/.just b/tools/.just
index e938bac1..d1754fac 100644
--- a/tools/.just
+++ b/tools/.just
@@ -4,7 +4,7 @@
 # Commands related to native Nexus Tools.
 #
 
-import '../just/_helpers.just'
+import '../helpers/helpers.just'
 
 [private]
 _default: