Official MCP RegistryListed
com.x402supply/chess-eval
Stockfish chess eval: best move, score, principal variation, multipv. $0.005/call via x402.
First seen 2 Oct 2026. Evidence as of 6 Oct 2026.
2
Tools
From an anonymous probe
1
Source listings
Each with its own history
0
Recorded changes
Since first seen
Tools
| Tool | Description | Behaviour |
|---|---|---|
| best_line | Play out Stockfish's predicted principal variation as SAN moves with a per-ply eval, re-searching after each ply. | Not declared |
| evaluate_position | Evaluate a chess position with Stockfish: best move, centipawn/mate score, principal variation, and optional multipv. No mocks — a real single-threaded Stockfish 10 (asm.js) runs in-isolate per call. | Not declared |
Change history
No changes since the first observation. The first snapshot is the baseline.
| Source | Listing | First seen | Last seen | Versions |
|---|---|---|---|---|
| Official MCP Registry | com.x402supply/chess-eval | 2 Oct 2026 | 6 Oct 2026 | 1 |