Chess Eval is answering right now. Last checked 3 min ago. It exposes 2 tools.
Stockfish chess eval: best move, score, principal variation, multipv. $0.005/call via x402.
Nothing serious here today
Today is the operative word: we check Chess Eval every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 3 min ago.
claude mcp add chess-eval --transport http https://chess-eval.x402supply.com/mcphttps://chess-eval.x402supply.com/mcp[mcp_servers.chess-eval]
url = "https://chess-eval.x402supply.com/mcp"{
"mcpServers": {
"chess-eval": {
"url": "https://chess-eval.x402supply.com/mcp"
}
}
}{
"servers": {
"chess-eval": {
"type": "http",
"url": "https://chess-eval.x402supply.com/mcp"
}
}
}Available tools 2
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
best_line
evaluate_position
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://chess-eval.x402supply.com/mcp | streamable-http | answering | 138 ms | 3 min ago |
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Chess Eval — questions
Answers built from our own checks of this server.