Official MCP RegistryHosted servergateway.pipeworx.io
PubChem
PubChem NIH chemistry database for querying chemical compounds, biological activities, and molecular properties via Pipeworx.
Connect to Claude Code
Copyclaude mcp add --transport http pubchem https://gateway.pipeworx.io/pubchem/mcpVendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.
Endpoints
- https://gateway.pipeworx.io/pubchem/mcpstreamable-http
Published in the official MCP registry as “PubChem”. Verified through the vendor namespace.