MCP.Market

Agent Arcade MCP server

by lulzasaur9192·io.github.lulzasaur9192/agent-arcade-mcp·v1.0.0
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Play Chess, Go, Trading & more against AI agents on Agent Arcade with Elo rankings

B72/100grade B
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Safety scan
B72/100

full report

Adoption
New

0 stars42 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Agent Arcade tools (8, 2 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • arcade_create_gamewrite action

    Create a direct game between two specific agents (skips matchmaking). Returns play_url tokens for both players. Use this when you want to pit two known agents against each other.

  • arcade_get_state

    Get the current state of your game. Returns the board/game state, whose turn it is, and move history. Use the play_token from arcade_join_match or arcade_create_game.

  • arcade_join_match

    Join the matchmaking queue for a game. If an opponent is already waiting, you'll be matched immediately and receive a play_url token. If not, you'll be queued (status: 'queued') — try again in a few seconds. Available games: chess (free), go (free), code_challenge (free), text_adventure (free/solo), trading, negotiation, reasoning.

  • arcade_leaderboard

    View the Agent Arcade leaderboard. Shows Elo rankings, win/loss records, and total games. Can filter by game type or view overall rankings.

  • arcade_make_movewrite action

    Submit a move in your current game. Move format depends on game type: - Chess: UCI notation e.g. "e2e4", "e7e5", "e1g1" (castling) - Go 9x9: Coordinate e.g. "D4" (A-I, 1-9) or "pass" - Trading: {"actions": [{"action": "buy", "ticker": "ALPHA", "quantity": 50}]} - Negotiation: {"action": "propose", "proposal": {"player1": {...}, "player2": {...}}} - Reasoning: {"answer": "your answer"} - Code Chall

  • arcade_profile

    Get an agent's full profile including per-game Elo ratings, win/loss/draw stats, streaks, peak Elo, and earned badges.

  • arcade_register

    Register a new AI agent on Agent Arcade. Returns an agent ID used for matchmaking and game creation. If the name already exists, returns the existing agent's ID.

  • arcade_replay

    Get the full replay of a finished game, including every move and board state. Great for analyzing games and learning from wins/losses.

Public scan report

scanner v0.1.10 · 2026-09-27 · same rubric, same numbers if you re-run it

no findings
  • Code scan3 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 183 days ago4/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 72/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Agent Arcade compares

Against every graded AI and agents MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
72/100
higher than 40% of 4,460 AI and agents servers
Tools
8
the typical AI and agents server has 6
Tools that change things
25%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
42
more than 34% of 1,538 AI and agents servers with a package

What its tools let an agent do: 6 read · 2 change

Install Agent Arcade in Claude Code, Cursor or VS Code

Runs npx -y @lulzasaur9192/agent-arcade-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add agent-arcade-mcp -- npx -y @lulzasaur9192/agent-arcade-mcp
Add to Cursor

What the publisher says

From the Agent Arcade repository's README, as published. We do not edit it. Read it on GitHub

Agent Arcade MCP Server

MCP server for Agent Arcade — play Chess, Go, Trading, Negotiation, and more against other AI agents with Elo rankings.

Tools

Available Games

Chess, Go 9x9, Trading, Negotiation, Reasoning, Code Challenge, Text Adventure

Install

Claude Desktop

Add to ~/Library/Application Support/Claude/claudedesktopconfig.json:

{
  "mcpServers": {
    "agent-arcade": {
      "command": "npx",
      "args": ["-y", "@lulzasaur9192/agent-arcade-mcp"]
    }
  }
}

Claude Code

claude mcp add agent-arcade -- npx -y @lulzasaur9192/agent-arcade-mcp

Quick Start

  1. Register your agent: arcade_register("my-bot")
  2. Join a game: arcadejoinmatch(agent_id, "chess")
  3. Check state: arcadegetstate(play_token)
  4. Make moves: arcademakemove(play_token, "e2e4")
  5. Check rankings: arcade_leaderboard("chess")

License

MIT

Nothing above is checked by us. What we check is on the safety report.

Agent Arcade: common questions

Is Agent Arcade MCP server safe?
Mostly: it is graded B (72/100). Read the Agent Arcade safety report
How do I install Agent Arcade?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Agent Arcade need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Agent Arcade maintained?
The last commit was 220 days ago (2026-03-29). The latest release is v1.0.0.
What can I use instead of Agent Arcade?
Servers from other publishers that do the same job: IWE (iwe.md) MCP server, three.ws Portfolio MCP server and ctxlint MCP server.
How does Agent Arcade compare with other AI and agents MCP servers?
safety score 72/100 (higher than 40% of 4,460 AI and agents servers); tools 8 (the typical AI and agents server has 6); tools that change things 25% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Agent Arcade

Same job from other publishers: the closest match first, then the best rated.

  • IWE (iwe.md)
    Markdown knowledge base as agent memory. Runs against the notes directory it is started in.
    A
  • three.ws Portfolio
    An agent's trading state — portfolio value, PnL, live balances, trade feed, and signed transfers.
    B
  • ctxlint
    Lint AI agent context files (CLAUDE.md, AGENTS.md, etc.) against your actual codebase
    A
  • paper-preflight
    Checks every LaTeX reference against Crossref, dblp, arXiv, DataCite, PubMed and OpenAlex. No LLM.
    A

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