{"servers":[{"server":{"$schema":"https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json","name":"io.github.smeet666/mcp-libraryofcongress","description":"Search inside scanned US newspapers and browse the Library of Congress catalogue. No API key.","repository":{"url":"https://github.com/smeet666/mcp-libraryofcongress","source":"github"},"version":"1.0.0","websiteUrl":"https://github.com/smeet666/mcp-libraryofcongress#readme","icons":[{"src":"https://raw.githubusercontent.com/smeet666/mcp-libraryofcongress/main/assets/icon-128.png","mimeType":"image/png","sizes":["128x128"]},{"src":"https://raw.githubusercontent.com/smeet666/mcp-libraryofcongress/main/assets/icon-512.png","mimeType":"image/png","sizes":["512x512"]}],"packages":[{"registryType":"npm","identifier":"mcp-libraryofcongress","version":"1.0.0","transport":{"type":"stdio"},"environmentVariables":[{"description":"Identify your own client. The project's own identifier is appended, so the Library can always reach a human.","name":"LOC_USER_AGENT"},{"description":"Minimum milliseconds between requests. Default 6000, floor 3000.","name":"LOC_MIN_INTERVAL_MS"},{"description":"Deadline for one catalogue, record or collection request, in milliseconds. Default 30000.","name":"LOC_TIMEOUT_MS"},{"description":"Deadline for one search_newspapers request, in milliseconds. The full-text corpus answers in tens of seconds. Default 90000.","name":"LOC_NEWSPAPER_TIMEOUT_MS"},{"description":"silent, error, info or debug. Default error. Logs go to stderr.","name":"LOC_LOG_LEVEL"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-08-05T21:41:34.33534Z","publishedAt":"2026-08-05T21:41:34.33534Z","updatedAt":"2026-08-05T21:41:34.33534Z","isLatest":true}}}],"metadata":{"count":1}}