mcp-clj MCP Server

A Clojure implementation of the Model Context Protocol (MCP) with minimal dependencies and self-contained Clojure REPL integration.

Local serverstdio

What is the mcp-clj MCP Server?

mcp-clj is an MCP project maintained in the hugoduncan/mcp-clj repository. The maintainer describes its purpose as “A Clojure implementation of the Model Context Protocol (MCP) with minimal dependencies and self-contained Clojure REPL integration”. Read the project documentation for the complete scope.

Local setup

The project provides a local client configuration using /opt/homebrew/bin/bash. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.

Configuration values

The example declares PATH. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.

Source

Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.

How to install the mcp-clj MCP Server

{
  "mcpServers": {
    "mcp-clj": {
      "command": "/opt/homebrew/bin/bash",
      "args": [
        "-c",
        "cd /path/to/your/project && clojure -M:mcp"
      ],
      "env": {
        "PATH": "/opt/homebrew/bin:/usr/local/bin:/usr/bin:/bin"
      }
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.