Codabench MCP Server: Install & Setup

Install Codabench in Claude Code

Claude Code

claude mcp add codabench -e CODABENCH_API_TOKEN=... -- uvx codabench-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "codabench": {
      "command": "uvx",
      "args": [
        "codabench-mcp"
      ],
      "env": {
        "CODABENCH_API_TOKEN": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Codabench MCP server do?

MCP server for the Codabench REST API — drives a full ML-benchmark participant workflow.

Is the Codabench MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Codabench run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Codabench to Claude Code?

Run: claude mcp add codabench -e CODABENCH_API_TOKEN=... -- uvx codabench-mcp

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