Chess Engine MCP Server (alegerber/stockfish-lc0-mcp) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 8 tools. No publisher has claimed this listing.

C
Emerging
74/100
3 months ago

Chess Engine MCP Server

Enables AI assistants to perform professional-grade chess analysis using Stockfish and optionally Leela Chess Zero, including position analysis, full game review, opening lookup, and puzzle generation.

Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

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Who stands behind it

alegerber

Source: Glama

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// key findings
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configENGINE_TIMEOUT_MS
configLC0_BACKEND(auto) Lc0 backend: cuda, metal, cpu, etc.
configLC0_HASH128 Hash table size in MB for Lc0
configLC0_PATHlc0 Path to the Lc0 binary
configLC0_THREADS2 Number of CPU threads for Lc0
configLC0_WEIGHTS_PATH## Lc0 tools (enabled when is set)
configSMOKE_DOCKER_IMAGE
configSTOCKFISH_HASH128 Hash table size in MB
configSTOCKFISH_PATHstockfish Path to the Stockfish binary
configSTOCKFISH_THREADS2 Number of CPU threads
// quality suggestions

Tool test coverage

Only 0/8 tools referenced in tests (0%)

Write tests that reference each tool by name so every tool has at least one test.

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// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 1 concrete improvement we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/alegerber/stockfish-lc0-mcp)](https://m8ven.ai/mcp/alegerber/stockfish-lc0-mcp)
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commit: b64e582f24d73850bd419120760185f3f2c103d8
code hash: 98a6b42c7426fc50f14dfdf73935b789bb682a54c911513d0df6e2b985a8e066
verified: 6/11/2026, 11:51:42 AM
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