JetBrains MCP Proxy Server

The server proxies requests from client to JetBrains IDE.

Install MCP Server plugin

https://plugins.jetbrains.com/plugin/26071-mcp-server

Usage with Claude Desktop

To use this with Claude Desktop, add the following to your claude_desktop_config.json.The full path on MacOS: ~/Library/Application\ Support/Claude/claude_desktop_config.json, on Windows: %APPDATA%/Claude/claude_desktop_config.json.

{
  "mcpServers": {
    "jetbrains": {
      "command": "npx",
      "args": ["-y", "@jetbrains/mcp-proxy"]
    }
  }
}

Configuration

If you're running multiple IDEs with MCP server and want to connect to the specific one, add to the MCP server configuration:

"env": {
  "IDE_PORT": "<port of IDE's built-in webserver>"
}

By default, we connect to IDE on 127.0.0.1 but you can specify a different address/host:

"env": {
  "HOST": "<host/address of IDE's built-in webserver>"
}

To enable logging add:

"env": {
  "LOG_ENABLED": "true"
}

How to build

Tested on macOS
brew install node pnpm
Run pnpm build to build the project

Fidelis Memory

Zero-LLM agent memory for Claude Code and AI agents: local-first BM25, dense-vector, and reciprocal-rank-fusion retrieval. Returns original passages verbatim by default. Available on PyPI as fidelis-memory. MIT.

JetBrains MCP Proxy Server