io.github.cyanheads/openlibrary-mcp-server
Search books and authors, fetch editions, browse subjects, and resolve cover images.
Verdict not yet evaluated for this tool. The hybrid eval runs adversarial cases first; coverage rolls out as the corpus expands. Until a verdict is recorded, an agent should treat this tool as not-yet-cleared and fall back to its own checks. Method: hybrid eval, four-state verdict, honest limits.
Streamable HTTP / SSE endpoint. Add to any MCP client that supports remote servers.
https://openlibrary.caseyjhand.com/mcp{
"mcpServers": {
"openlibrary-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/openlibrary-mcp-server"
],
"env": {
"MCP_LOG_LEVEL": "info",
"MCP_HTTP_HOST": "127.0.0.1",
"MCP_HTTP_PORT": "3010",
"MCP_HTTP_ENDPOINT_PATH": "/mcp",
"MCP_PUBLIC_URL": "<mcp_public_url>",
"MCP_AUTH_MODE": "none"
}
}
}
}{
"mcpServers": {
"openlibrary-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/openlibrary-mcp-server"
],
"env": {
"MCP_LOG_LEVEL": "info",
"MCP_HTTP_HOST": "127.0.0.1",
"MCP_HTTP_PORT": "3010",
"MCP_HTTP_ENDPOINT_PATH": "/mcp",
"MCP_PUBLIC_URL": "<mcp_public_url>",
"MCP_AUTH_MODE": "none"
}
}
}
}npx -y @cyanheads/openlibrary-mcp-serverMCP_LOG_LEVELSets the minimum log level for output (e.g., 'debug', 'info', 'warn').
MCP_HTTP_HOSTThe hostname for the HTTP server.
MCP_HTTP_PORTThe port to run the HTTP server on.
MCP_HTTP_ENDPOINT_PATHThe endpoint path for the MCP server.
MCP_PUBLIC_URLPublic origin override for deployments behind a TLS-terminating reverse proxy (e.g. https://mcp.example.com).
MCP_AUTH_MODEAuthentication mode to use: 'none', 'jwt', or 'oauth'.
MCP_LOG_LEVELSets the minimum log level for output (e.g., 'debug', 'info', 'warn').
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