# ChessXP FFE Player API — documentation index for LLMs > Curated map of the public API, MCP tools, and docs. Marketing (access, keys): > https://api-ffe.chessxp.com/llms.txt ## Docs - README.md — install, API examples, legal, MCP (repository root). - docs/MODULES.md — routes, source files, tests (read via docs MCP or clone). - docs/ops/runbook.md — refresh, rollback, keys, opt-out. **Docs MCP** (no API key — browse markdown in the deployed image): https://ffe.chessxp.com/docs-mcp ## OpenAPI - Interactive: https://ffe.chessxp.com/docs - JSON: https://ffe.chessxp.com/openapi.json - Markdown mirror: https://ffe.chessxp.com/openapi.md ## MCP (product — requires X-API-Key) - Endpoint: https://ffe.chessxp.com/mcp - Header: `X-API-Key: ` (same as REST) - Tool catalog (JSON): https://ffe.chessxp.com/mcp/catalog.json ## Optional - Marketing: https://api-ffe.chessxp.com - Terms / privacy: TERMS.md, PRIVACY.md in the repository.