Calibre-Web MCP Server

by ni-cio.github.ni-c/calibreweb-mcpv0.3.1

Read-only access to a self-hosted Calibre-Web or Calibre-Web Automated ebook library via OPDS: search, shelves, covers and per-format download links.

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Active3d ago

Install Calibre-Web MCP server

claude mcp add calibreweb -e CALIBRE_WEB_URL='<calibre-web-url>' -e CALIBRE_WEB_PASSWORD='<calibre-web-password>' -- npx -y calibreweb-mcp

{
  "mcpServers": {
    "calibreweb": {
      "command": "npx",
      "args": [
        "-y",
        "calibreweb-mcp"
      ],
      "env": {
        "CALIBRE_WEB_URL": "<calibre-web-url>",
        "CALIBRE_WEB_PASSWORD": "<calibre-web-password>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "calibreweb": {
      "command": "npx",
      "args": [
        "-y",
        "calibreweb-mcp"
      ],
      "env": {
        "CALIBRE_WEB_URL": "<calibre-web-url>",
        "CALIBRE_WEB_PASSWORD": "<calibre-web-password>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "calibreweb": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "calibreweb-mcp"
      ],
      "env": {
        "CALIBRE_WEB_URL": "<calibre-web-url>",
        "CALIBRE_WEB_PASSWORD": "<calibre-web-password>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "calibreweb": {
      "command": "npx",
      "args": [
        "-y",
        "calibreweb-mcp"
      ],
      "env": {
        "CALIBRE_WEB_URL": "<calibre-web-url>",
        "CALIBRE_WEB_PASSWORD": "<calibre-web-password>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
CALIBRE_WEB_URL	yes	—	Root URL of the Calibre-Web instance, e.g. https://books.example.com
CALIBRE_WEB_USERNAME	—	—	Username of the Calibre-Web account (web login); leave unset together with the password for anonymous-browsing instances
CALIBRE_WEB_PASSWORD	—	yes	Password of that account (web login password)
CALIBRE_WEB_INSECURE_TLS	—	—	Set to true to accept self-signed certificates (scoped to the configured host)
CALIBRE_WEB_ALLOW_TOOLS	—	—	Comma-separated tool names or list_* prefixes to register; 'essential' selects a curated preset (default: all tools)
CALIBRE_WEB_DENY_TOOLS	—	—	Comma-separated tool names or list_* prefixes to remove from whatever CALIBRE_WEB_ALLOW_TOOLS left

Freshness

Active — last maintenance signal 3d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-07 · 3d ago · GitHub
Latest release
2026-09-07 · 33d ago · GitHub · v0.3.1
Package published
no data · npm/PyPI
Registry entry updated
2026-09-07 · 33d ago · official registry · v0.3.1

FAQ

›How do I install the Calibre-Web MCP server in Claude Code?

Run: claude mcp add calibreweb -e CALIBRE_WEB_URL='<calibre-web-url>' -e CALIBRE_WEB_PASSWORD='<calibre-web-password>' -- npx -y calibreweb-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Calibre-Web require an API key?

Yes. It expects CALIBRE_WEB_URL, CALIBRE_WEB_PASSWORD, of which 1 is a secret.

›Can I use Calibre-Web as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Calibre-Web in the official MCP registry?

Yes, as io.github.ni-c/calibreweb-mcp.