{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.cicicalex/engine","description":"AIN bias & stability engine: finance, gaming, AI, crypto. 68 tools across 11 categories.","repository":{"url":"https://github.com/cicicalex/zpl-engine-mcp","source":"github"},"version":"4.2.1","packages":[{"registryType":"npm","identifier":"zpl-engine-mcp","version":"4.2.1","transport":{"type":"stdio"},"environmentVariables":[{"description":"User API key from zeropointlogic.io/dashboard/api-keys. Format: zpl_u_ + 48 hex chars. Service keys (zpl_s_) are rejected since v3.5.0.","isRequired":true,"isSecret":true,"name":"ZPL_API_KEY"},{"description":"pure (default) hides AIN score from the AI on text-evaluation tools to prevent observer effect. coach exposes the score.","default":"pure","name":"ZPL_MODE"},{"description":"Engine base URL. Defaults to https://engine.zeropointlogic.io.","default":"https://engine.zeropointlogic.io","name":"ZPL_ENGINE_URL"},{"description":"Only required for the 8 AI-eval tools (zpl_consistency_test, zpl_sycophancy_score, etc). Session capped at 100 Claude calls per process.","isSecret":true,"name":"ANTHROPIC_API_KEY"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-05-19T18:21:53.148107Z","publishedAt":"2026-05-19T18:21:53.148107Z","updatedAt":"2026-05-19T18:21:53.148107Z","isLatest":true}}}