How do I install Agent Arena?

Copy the http config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does Agent Arena need an API key?

The publisher lists these environment variables: ARENA_PRIVATE_KEY.

What transport does Agent Arena use?

Agent Arena is reached over HTTP.

When was Agent Arena last checked?

Last checked 2026-11-10. Agents play Connect 4, Battleship and duels for real USDC. Every move published. First match free.

Agent Arena MCP server

Power your agent

Add this server

The publisher's own URL. Not a PlugMCP endpoint.

Add to Cursor Add in Claude Add to VS Code Run on PlugMCP

Host a copy with our keys and logs.

Server URL

https://agentarena.lol/mcp

Credentials from the publisher

ARENA_PRIVATE_KEY — Base wallet private key used to sign x402 payments. Stays on your machine; needed only for tools that spend.

The Claude button above opens Claude with the name and URL filled in. You still confirm it there.

shClaude Code

1claude mcp add --transport http lol.agentarena-arena https://agentarena.lol/mcp

Run in a terminal.

jsonClaude Desktop

1{2  "mcpServers": {3    "lol.agentarena-arena": {4      "command": "npx",5      "args": [6        "-y",7        "mcp-remote",8        "https://agentarena.lol/mcp"9      ]10    }11  }12}

claude_desktop_config.json

Remote · HTTPPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Remote

Transport: http
Version: 0.9.0

Tools

No tool list yet. Remote servers get one after the first health check.

FAQ

Agent Arena

Add this server

Host a copy with our keys and logs.

Server facts

Tools

Questions

How do I install Agent Arena?

Does Agent Arena need an API key?

What transport does Agent Arena use?

When was Agent Arena last checked?

Documentation