Search the Internet Archive, the Library of Congress and data.bnf.fr at once, in one answer.
Connect Runs on your machine
claude mcp add mcp-books -e BOOKS_USER_AGENT=<BOOKS_USER_AGENT> -e BOOKS_MIN_INTERVAL_MS=<BOOKS_MIN_INTERVAL_MS> -e BOOKS_TIMEOUT_MS=<BOOKS_TIMEOUT_MS> -e BOOKS_MAX_RETRIES=<BOOKS_MAX_RETRIES> -e BOOKS_CACHE_TTL_MS=<BOOKS_CACHE_TTL_MS> -e BOOKS_CACHE_MAX_ENTRIES=<BOOKS_CACHE_MAX_ENTRIES> -e BOOKS_LOG_LEVEL=<BOOKS_LOG_LEVEL> -- npx -y [email protected]
{
"mcpServers": {
"mcp-books": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"BOOKS_USER_AGENT": "<BOOKS_USER_AGENT>",
"BOOKS_MIN_INTERVAL_MS": "<BOOKS_MIN_INTERVAL_MS>",
"BOOKS_TIMEOUT_MS": "<BOOKS_TIMEOUT_MS>",
"BOOKS_MAX_RETRIES": "<BOOKS_MAX_RETRIES>",
"BOOKS_CACHE_TTL_MS": "<BOOKS_CACHE_TTL_MS>",
"BOOKS_CACHE_MAX_ENTRIES": "<BOOKS_CACHE_MAX_ENTRIES>",
"BOOKS_LOG_LEVEL": "<BOOKS_LOG_LEVEL>"
}
}
}
}
{
"mcpServers": {
"mcp-books": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"BOOKS_USER_AGENT": "<BOOKS_USER_AGENT>",
"BOOKS_MIN_INTERVAL_MS": "<BOOKS_MIN_INTERVAL_MS>",
"BOOKS_TIMEOUT_MS": "<BOOKS_TIMEOUT_MS>",
"BOOKS_MAX_RETRIES": "<BOOKS_MAX_RETRIES>",
"BOOKS_CACHE_TTL_MS": "<BOOKS_CACHE_TTL_MS>",
"BOOKS_CACHE_MAX_ENTRIES": "<BOOKS_CACHE_MAX_ENTRIES>",
"BOOKS_LOG_LEVEL": "<BOOKS_LOG_LEVEL>"
}
}
}
}
{
"servers": {
"mcp-books": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"BOOKS_USER_AGENT": "<BOOKS_USER_AGENT>",
"BOOKS_MIN_INTERVAL_MS": "<BOOKS_MIN_INTERVAL_MS>",
"BOOKS_TIMEOUT_MS": "<BOOKS_TIMEOUT_MS>",
"BOOKS_MAX_RETRIES": "<BOOKS_MAX_RETRIES>",
"BOOKS_CACHE_TTL_MS": "<BOOKS_CACHE_TTL_MS>",
"BOOKS_CACHE_MAX_ENTRIES": "<BOOKS_CACHE_MAX_ENTRIES>",
"BOOKS_LOG_LEVEL": "<BOOKS_LOG_LEVEL>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
BOOKS_USER_AGENTOptional | Identify your own client. The project's own identifier is appended, so an archive can always reach a human. |
BOOKS_MIN_INTERVAL_MSOptional | 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_MSOptional | Deadline for one request to an archive, in milliseconds. Default 45000. |
BOOKS_MAX_RETRIESOptional | Retries on rate limiting and transient failures. Default 3. |
BOOKS_CACHE_TTL_MSOptional | In-memory cache lifetime, in milliseconds. Default 900000. Set 0 to turn it off. |
BOOKS_CACHE_MAX_ENTRIESOptional | In-memory cache size. Default 200. |
BOOKS_LOG_LEVELOptional | silent, error, info or debug. Default error. Logs go to stderr. |
Details
| Package | [email protected] (NPM, stdio) |
| Package | https://github.com/smeet666/mcp-books/releases/download/v2.1.0/[email protected] (MCPB, stdio) |
| First published | 29 Oct 2026 |
| Last updated | 29 Oct 2026 |
| Registry name | io.github.smeet666/mcp-books |
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