Chess UCI MCP server

by AnglerfishChess·io.github.AnglerfishChess/chess-uci-mcp·v0.3.1

Analyze chess positions and get best moves from UCI engines such as Stockfish or Leela

A94/100grade A

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Safety scan

A94/100

Adoption

Growing

2 stars79 downloads/wk

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

write = sends, deletes, buys or posts

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

analyze
Analyze a chess position specified by FEN string.
engine_info
Get information about the chess engine.
get_best_move
Get the best move for a chess position.
get_engine_options
Get all available UCI engine options with their metadata and current values.
set_engine_options
Set one or more UCI engine options at runtime.
set_position
Set the current chess position.

scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it

no findings

Code scan6 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 8 days ago15/15
Maintainer identityregistry namespace matches repository owner; GitHub account older than a year9/10

Overall 94/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

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

Is Chess UCI MCP server safe?: Yes, by our scan: it is graded A (94/100). Read the Chess UCI safety report
How do I install Chess UCI?: It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Chess UCI need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Chess UCI maintained?: The last commit was 9 days ago (2026-09-11). The latest release is v0.3.1.