Read-only MCP server for Calibre-Web: library search, browsing and covers via the OPDS feed
To add Calibre-Web to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 6 environment variables, listed below.
Install
npx -y calibreweb-mcp@0.3.1Environment variables
CALIBRE_WEB_URLSet in your MCP configCALIBRE_WEB_USERNAMESet in your MCP configCALIBRE_WEB_PASSWORDSet in your MCP configCALIBRE_WEB_INSECURE_TLSSet in your MCP configCALIBRE_WEB_ALLOW_TOOLSSet in your MCP configCALIBRE_WEB_DENY_TOOLSSet in your MCP configInstall with your client
claude mcp add calibre-web --env CALIBRE_WEB_URL=<YOUR_CALIBRE_WEB_URL> --env CALIBRE_WEB_USERNAME=<YOUR_CALIBRE_WEB_USERNAME> --env CALIBRE_WEB_PASSWORD=<YOUR_CALIBRE_WEB_PASSWORD> --env CALIBRE_WEB_INSECURE_TLS=<YOUR_CALIBRE_WEB_INSECURE_TLS> --env CALIBRE_WEB_ALLOW_TOOLS=<YOUR_CALIBRE_WEB_ALLOW_TOOLS> --env CALIBRE_WEB_DENY_TOOLS=<YOUR_CALIBRE_WEB_DENY_TOOLS> -- npx -y calibreweb-mcp@0.3.1
Run this in a terminal to add the server to Claude Code.
What this does
Calibre-Web exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
CALIBRE_WEB_URL CALIBRE_WEB_USERNAME CALIBRE_WEB_PASSWORD CALIBRE_WEB_INSECURE_TLS CALIBRE_WEB_ALLOW_TOOLS CALIBRE_WEB_DENY_TOOLS
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install Calibre-Web?
Run the Claude Code command in the install section to add Calibre-Web to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with Calibre-Web?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to Calibre-Web as well.
Does Calibre-Web need an API key?
Yes. Before it can run, set these environment variables: CALIBRE_WEB_URL, CALIBRE_WEB_USERNAME, CALIBRE_WEB_PASSWORD, CALIBRE_WEB_INSECURE_TLS, CALIBRE_WEB_ALLOW_TOOLS, CALIBRE_WEB_DENY_TOOLS. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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