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mcp-books

Search the Internet Archive, the Library of Congress and data.bnf.fr at once, in one answer.

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★ 0 stars Last pushed 2026-09-22 License: MIT

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Review any command before running it. Package names and URLs come from the server's own registry entry.

Package (npm 2.0.1)

npx -y mcp-books@2.0.1

Or add to your MCP client config:

{
  "mcpServers": {
    "mcp-books": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-books@2.0.1"
      ],
      "env": {
        "BOOKS_USER_AGENT": "<YOUR_VALUE>",
        "BOOKS_MIN_INTERVAL_MS": "<YOUR_VALUE>",
        "BOOKS_TIMEOUT_MS": "<YOUR_VALUE>",
        "BOOKS_MAX_RETRIES": "<YOUR_VALUE>",
        "BOOKS_CACHE_TTL_MS": "<YOUR_VALUE>",
        "BOOKS_CACHE_MAX_ENTRIES": "<YOUR_VALUE>",
        "BOOKS_LOG_LEVEL": "<YOUR_VALUE>"
      }
    }
  }
}

BOOKS_USER_AGENT — Identify your own client. The project's own identifier is appended, so an archive can always reach a human.
BOOKS_MIN_INTERVAL_MS — Widen the gap between two requests to one archive. Each archive keeps its own spacing when this is unset, and this can only make it wider.
BOOKS_TIMEOUT_MS — Deadline for one request to an archive, in milliseconds. Default 45000.
BOOKS_MAX_RETRIES — Retries on rate limiting and transient failures. Default 3.
BOOKS_CACHE_TTL_MS — In-memory cache lifetime, in milliseconds. Default 900000. Set 0 to turn it off.
BOOKS_CACHE_MAX_ENTRIES — In-memory cache size. Default 200.
BOOKS_LOG_LEVEL — silent, error, info or debug. Default error. Logs go to stderr.