APISIX MCP Bridge Plugin Example

This repository demonstrates how to use the APISIX MCP Bridge plugin to integrate Model Context Protocol (MCP) servers with APISIX. The setup includes building a custom APISIX Docker image with Docker client capabilities and creating a Bitbucket MCP server that communicates via stdio.

Overview

The MCP Bridge plugin allows APISIX to act as a proxy for MCP servers, enabling seamless integration between MCP clients (like VS Code) and MCP servers through HTTP/SSE endpoints.

Components

• Custom APISIX Image: Enhanced with Docker client for running containerized MCP servers
• Bitbucket MCP Server: Containerized MCP server for Atlassian Bitbucket integration
• MCP Bridge Plugin: APISIX plugin that bridges HTTP/SSE to stdio MCP communication

Prerequisites

• Docker and Docker Compose
• VS Code with MCP extension (for client testing)
• Atlassian Bitbucket credentials (username and app password)

Configuration

Environment Variables

Edit .env with your Bitbucket credentials:

ATLASSIAN_SITE_NAME="https://api.bitbucket.org"
ATLASSIAN_BITBUCKET_USERNAME="your_username"
ATLASSIAN_BITBUCKET_APP_PASSWORD="your_app_password"

Building Images

Build APISIX Image

The custom APISIX image includes Docker client for running containerized MCP servers:

docker-compose build apisix

Build Bitbucket MCP Server Image

docker-compose build mcp-bitbucket

Build All Images with Docker Compose

docker-compose build

Running the Server

Start All Services

docker-compose up -d

This will start:

• APISIX on port 80 with MCP Bridge plugin
• Whoami service for testing

Verify Services

Check that APISIX is running:

curl http://localhost/whoami

Test MCP Bridge endpoint:

curl http://localhost/mcp-bitbucket/

VS Code MCP Client Configuration

Using Server-Sent Events (SSE)

Configure VS Code MCP client to connect to the APISIX MCP Bridge endpoint:

1. Install the MCP extension in VS Code
2. Add the following configuration to your VS Code settings or MCP client config:

{
  "servers": {
    "mcp-bitbucket": {
      "type": "sse",
      "url": "http://localhost/mcp-bitbucket"
    }
  }
}

Cleanup

Stop and remove all services:

docker-compose down

Remove built images:

docker rmi arulrajnet/apisix:dev arulrajnet/mcp-bitbucket:v1.39.7

License

This project is licensed under the MIT License - see the LICENSE file for details.

Author

Arul