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Clojars MCP Server

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Overview

Clojars MCP Server is a Model Context Protocol (MCP) server that provides tools for fetching dependency information from Clojars, the Clojure community's artifact repository.

To use the Clojars MCP Server, configure it in Claude's settings, and it will automatically become available under the 'Connected MCP Servers' section. You can then use the provided tools through the use_mcp_tool command.

  • Get the latest version of any Clojars dependency. - Check if a specific version of a dependency exists. - Simple, focused responses for dependency queries. - Easy integration with Claude through MCP.
  1. Retrieving the latest version of a Clojure library.
  2. Verifying the existence of a specific version of a dependency.
  3. Integrating with development tools that require Clojars dependency information.

Add to your AI client

Use these steps to connect Clojars MCP Server in Cursor, Claude, VS Code, and other MCP-compatible apps. The same JSON appears in the Use with menu above for one-click copy.

Cursor

Add this to your .cursor/mcp.json file in your project root, then restart Cursor.

.cursor/mcp.json

{
  "mcpServers": {
    "bigsy-clojars-mcp-server-mcp-mirror": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-bigsy-clojars-mcp-server-mcp-mirror"
      ]
    }
  }
}

Claude Desktop

Add this server entry to the mcpServers object in your Claude Desktop config, then restart the app.

~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

{
  "mcpServers": {
    "bigsy-clojars-mcp-server-mcp-mirror": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-bigsy-clojars-mcp-server-mcp-mirror"
      ]
    }
  }
}

Claude Code

Add this to your project's .mcp.json file. Claude Code will detect it automatically.

.mcp.json (project root)

{
  "mcpServers": {
    "bigsy-clojars-mcp-server-mcp-mirror": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-bigsy-clojars-mcp-server-mcp-mirror"
      ]
    }
  }
}

VS Code (Copilot)

Add this to your .vscode/mcp.json file. Requires the GitHub Copilot extension with MCP support enabled.

.vscode/mcp.json

{
  "servers": {
    "bigsy-clojars-mcp-server-mcp-mirror": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-bigsy-clojars-mcp-server-mcp-mirror"
      ]
    }
  }
}

Windsurf

Add this to your Windsurf MCP config file, then restart Windsurf.

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "bigsy-clojars-mcp-server-mcp-mirror": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-bigsy-clojars-mcp-server-mcp-mirror"
      ]
    }
  }
}

Cline

Open Cline settings, navigate to MCP Servers, and add this server configuration.

Cline MCP Settings (via UI)

{
  "mcpServers": {
    "bigsy-clojars-mcp-server-mcp-mirror": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-bigsy-clojars-mcp-server-mcp-mirror"
      ]
    }
  }
}

FAQ

What is Clojars?

Clojars is a community-driven repository for Clojure libraries.

How do I install the Clojars MCP Server?

Clone the repository, install dependencies, build the server, and configure it in Claude.

Can I use this server with other tools?

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