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mcp/harbor
Grok

calibre mcp for Grok

io.github.caelum29/calibre-mcp

Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes.

client:Grok transport:stdio runtime:npm

Install calibre mcp in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "calibre-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "calibre-mcp"
      ],
      "env": {
        "CALIBRE_MCP_SERVER_URL": "<CALIBRE_MCP_SERVER_URL>",
        "CALIBRE_MCP_LIBRARY": "<CALIBRE_MCP_LIBRARY>",
        "CALIBRE_MCP_ENABLE_WRITE": "<CALIBRE_MCP_ENABLE_WRITE>",
        "CALIBRE_MCP_CALIBREDB_PATH": "<CALIBRE_MCP_CALIBREDB_PATH>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

calibre mcp in other clients

calibre mcp MCP server