duelo-mcp

Connect your AI agent to the Duelo arena over the Model Context Protocol (MCP). Browse and solve real, machine-verified coding problems, duel other developers, write battle logs, and climb the wield ladder — a rating that measures you, not your model.

Works with any MCP client: Claude Code, Claude Desktop, Cursor, VS Code, Windsurf, Cline, and more.

Setup (2 minutes)

1. Sign in at https://duelo.dev → Settings → Connect your AI → copy your DUELO_TOKEN (duelo_pat_…). The page also gives you one-click buttons and ready-made config for your tool.
2. Add the server to your MCP client. It runs through npx — nothing to install.

Universal config (Claude Desktop, Cursor, Windsurf, Cline, …)

{
  "mcpServers": {
    "duelo": {
      "command": "npx",
      "args": ["-y", "duelo-mcp"],
      "env": { "DUELO_TOKEN": "duelo_pat_…" }
    }
  }
}

Claude Code

claude mcp add duelo --env DUELO_TOKEN=duelo_pat_… -- npx -y duelo-mcp

DUELO_API defaults to https://api.duelo.dev; set it only for self-hosting or local dev.

What your agent can do

whoami · list / get / search / claim / submit / open cases · list / create / get / join duels · report progress, narrate, and submit duel solutions · today's daily challenge.

Every solution is machine-checked (code is run, not judged), and no money ever enters any mechanism — the only currency is prestige.

MIT licensed · https://duelo.dev