Koskamo

Open Library MCP

This MCP server provides tools to interact with Open Library's catalog of 20M+ books, editions, authors, and subjects. It supports full-text search inside Internet Archive's scanned books, fetching work and author details, browsing subjects, and resolving cover image URLs. It operates via STDIO or Streamable HTTP.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Open Library MCP logo, by cyanheadsCommunity listingLocal stdioSource reviewed; not executedPublished by cyanheads
Vendor documentation

What you can do with it

  • Search books and authors with field filters
  • Fetch work details and list editions
  • Browse works by subject tag
  • Resolve cover image URLs for books or authors

Source and maintenance

Community listingRegistry 0.4.0
mcp-registry: io.github.cyanheads/openlibrary-mcp-server@0.4.0Source repository
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@cyanheads/openlibrary-mcp-server 0.4.0

npmnpx
@cyanheads/openlibrary-mcp-server package definition
{
  "version": "0.4.0",
  "transport": "stdio",
  "identifier": "@cyanheads/openlibrary-mcp-server",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "OPENLIBRARY_CLAMP_LIMITS",
      "format": "string",
      "default": "true",
      "description": "Apply page and identifier batch limits with continuation guidance. Set false to reject oversized requests."
    },
    {
      "name": "MCP_LOG_LEVEL",
      "format": "string",
      "default": "info",
      "description": "Sets the minimum log level for output (e.g., 'debug', 'info', 'warn')."
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "open-library-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/openlibrary-mcp-server@0.4.0"
      ],
      "env": {
        "OPENLIBRARY_CLAMP_LIMITS": "<YOUR_OPENLIBRARY_CLAMP_LIMITS>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "open-library-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/openlibrary-mcp-server@0.4.0"
      ],
      "env": {
        "OPENLIBRARY_CLAMP_LIMITS": "<YOUR_OPENLIBRARY_CLAMP_LIMITS>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "open-library-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/openlibrary-mcp-server@0.4.0"
      ],
      "env": {
        "OPENLIBRARY_CLAMP_LIMITS": "<YOUR_OPENLIBRARY_CLAMP_LIMITS>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "open-library-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/openlibrary-mcp-server@0.4.0"
      ],
      "env": {
        "OPENLIBRARY_CLAMP_LIMITS": "<YOUR_OPENLIBRARY_CLAMP_LIMITS>",
        "MCP_LOG_LEVEL": "<YOUR_MCP_LOG_LEVEL>"
      }
    }
  }
}

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