Chess UCI MCP Server

An MCP bridge that provides an interface to UCI chess engines (such as Stockfish or Leela Chess Zero). It runs locally over stdio via the published package.

People connecting finance tools to Claude, Cursor, VS Code, or another MCP client. The project is written in Python.

VERIFIED ACTIVE

LAST COMMIT 2026-08-21 · ★ 2 · #101 OF 283 MAINTAINED FINANCE · VERIFIED 2026-08-25

MIT · Python servers · how we verify → /methodology

01 · Install Chess UCI

before you install - you'll need

The README does not document required environment variables for a basic install.

Claude Code

claude mcp add anglerfishchess-chess-uci-mcp -- uvx chess-uci-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "anglerfishchess-chess-uci-mcp": {
      "command": "uvx",
      "args": [
        "chess-uci-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

pypi package chess-uci-mcp - check the name against the project README before installing (PyPI has no namespace ownership)

registry namespace io.github.AnglerfishChess is GitHub-verified and matches the repo owner

03 · What Chess UCI can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v0.2.0 · 2026-08-11

The bridge itself behaves exactly as in 0.1.2: the same six tools, the same engine handling. What changed is everything around it. · Listed in the official MCP registry as io.github.AnglerfishChess/chess-uci-mcp, so…

04 · Who maintains Chess UCI

Chess UCI is maintained by anglerfishchess. It's the only MCP server we track from this author; the repo dates to Mar 2025.

05 · Facts

repository: github.com/anglerfishchess/chess-uci-mcp
website: https://github.com/AnglerfishChess/chess-uci-mcp
category: finance - ranked #101 of 283 actively-maintained finance servers as of 2026-08-25.
release cadence: 1 release in the last 90 days (latest 2026-08-11)
registry: io.github.AnglerfishChess/chess-uci-mcp (active, first published 2026-08-11)
packages: pypi:chess-uci-mcp

06 · Chess UCI FAQ

What is Chess UCI?

An MCP bridge that provides an interface to UCI chess engines (such as Stockfish or Leela Chess Zero). It runs locally over stdio via the published package.

Is Chess UCI still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-21 and it shipped 1 release in the last 90 days. We re-verify nightly.

How do I install Chess UCI?

Run `uvx chess-uci-mcp`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

Does Chess UCI run locally?

Yes - it's a stdio server: it runs on your machine (via uvx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Chess UCI

Alternatives to Chess UCI

Maintained finance servers if Chess UCI isn't the fit.

Pairs well with

Servers that cover what Chess UCI doesn't - only shown when the pairing reason fits the companion.

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