Feature: Create protobuf specification for plugin framework to support gRPC and multi-language support.

mcpgateway/plugins/framework/base.py

@@ -2,7 +2,7 @@
 """Location: ./mcpgateway/plugins/framework/base.py
 Copyright 2025
 SPDX-License-Identifier: Apache-2.0
--Authors: Teryl Taylor, Mihai Criveti
+Authors: Teryl Taylor, Mihai Criveti
 
 Base plugin implementation.
 This module implements the base plugin object.

mcpgateway/plugins/framework/external/mcp/server/server.py

@@ -41,7 +41,7 @@ def __init__(self, config_path: str | None = None) -> None:
                         If set, this attribute overrides the value in PLUGINS_CONFIG_PATH.
 
         Examples:
-            >>> server = ExternalPluginServer(config_path="./tests/unit/mcpgateway/plugins/fixtures/configs/valid_multiple_plugins_filter.yaml")
+            >>> server = ExternalPluginServer(config_path="./tests/unit/mcpgateway.plugins/plugins/fixtures/configs/valid_multiple_plugins_filter.yaml")
             >>> server is not None
             True
         """
@@ -57,7 +57,7 @@ async def get_plugin_configs(self) -> list[dict]:
 
         Examples:
             >>> import asyncio
-            >>> server = ExternalPluginServer(config_path="./tests/unit/mcpgateway/plugins/fixtures/configs/valid_multiple_plugins_filter.yaml")
+            >>> server = ExternalPluginServer(config_path="./tests/unit/mcpgateway.plugins/plugins/fixtures/configs/valid_multiple_plugins_filter.yaml")
             >>> plugins = asyncio.run(server.get_plugin_configs())
             >>> len(plugins) > 0
             True
@@ -79,7 +79,7 @@ async def get_plugin_config(self, name: str) -> dict | None:
 
         Examples:
             >>> import asyncio
-            >>> server = ExternalPluginServer(config_path="./tests/unit/mcpgateway/plugins/fixtures/configs/valid_multiple_plugins_filter.yaml")
+            >>> server = ExternalPluginServer(config_path="./tests/unit/mcpgateway.plugins/plugins/fixtures/configs/valid_multiple_plugins_filter.yaml")
             >>> c = asyncio.run(server.get_plugin_config(name = "DenyListPlugin"))
             >>> c is not None
             True

mcpgateway/plugins/framework/generated/__init__.py

@@ -0,0 +1,11 @@
+# -*- coding: utf-8 -*-
+"""Generated protobuf Python classes for ContextForge plugins.
+
+This package contains standard protobuf Python classes (_pb2.py files) generated
+from protobuf schemas. These are used for cross-language serialization.
+
+The canonical Python implementation uses Pydantic models in mcpgateway.plugins.framework.models
+which have model_dump_pb() and model_validate_pb() methods for conversion.
+
+Generated using standard protoc from schemas in protobufs/plugins/schemas/
+"""