proxy-mcp

proxy-mcp

Universal MCP proxy server that discovers, searches, and executes tools across all configured MCP servers from a single entry point.

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README

proxy-mcp

Universal MCP proxy server that discovers, searches, and executes tools across all your configured MCP servers from a single entry point.

Features

  • Proxy execution — Call any tool on any MCP server through execute_mcp_tool
  • Semantic search — Find tools by describing what you want to do, not by exact name
  • Connection pool — MCP subprocesses are spawned on-demand and reused across calls
  • Weight learning — The search system learns from your selections to improve rankings over time
  • Auto-indexing — All MCP tools are indexed on server startup (non-blocking)

Tools

Tool Description
execute_mcp_tool Execute any tool on any configured MCP server
search_tools Semantic search across all indexed tools
list_available_mcps List configured MCP servers and their status
refresh_tool_index Re-index tools from MCP servers
get_learned_weights View learned search weights
reset_learned_weights Reset all learned weights
close_mcp_connections Close all active MCP connections

Requirements

  • Python >= 3.10
  • uv (recommended) or pip

Installation

# Clone
git clone https://github.com/Rixmerz/proxy-mcp.git
cd proxy-mcp

# Install with uv
uv sync

Configuration

Add to ~/.claude.json under mcpServers:

{
  "mcpServers": {
    "proxy-mcp": {
      "command": "uv",
      "args": ["run", "--directory", "/path/to/proxy-mcp", "proxy-mcp"]
    }
  }
}

The proxy reads MCP server configs from:

  1. ~/.agentcockpit/mcps.json (priority)
  2. ~/.claude.json (fallback)

Usage examples

# Search for a tool by what you want to do
search_tools(query="expose service to internet")

# Execute a tool on a specific MCP
execute_mcp_tool(
    mcp_name="Context7",
    tool_name="get-library-docs",
    arguments={"context7CompatibleLibraryID": "/vercel/next.js", "topic": "routing"}
)

# List all available MCPs
list_available_mcps()

Data

Learned weights are stored at ~/.proxy-mcp/learned_weights.json.

License

MIT

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