INDIVIDUAL MCP TOOL

best_line

Play out Stockfish's predicted principal variation as SAN moves with a per-ply eval, re-searching after each ply.

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Input schema

{}

Potential side effects detected · medium confidence · heuristic, not a guarantee.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.chess-eval]
url = "https://chess-eval.x402supply.com/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "chess-eval": {
      "type": "http",
      "url": "https://chess-eval.x402supply.com/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: chess-eval
Remote MCP URL: https://chess-eval.x402supply.com/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "chess-eval": {
      "url": "https://chess-eval.x402supply.com/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "chess-eval": {
      "type": "http",
      "url": "https://chess-eval.x402supply.com/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "chess-eval",
  "transport": "streamable-http",
  "url": "https://chess-eval.x402supply.com/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

evaluate_position — Evaluate a chess position with Stockfish: best move, centipawn/mate score, principal variation, and optional multipv.