io.github.mrfentmen/pubchem-compound-mcp
PubChem compounds: properties by name or CID, synonyms, and a short description - keyless.
Target client
run in your project directory
claude mcp add pubchem-compound-mcp -- npx -y @mrfentmen/pubchem-compound-mcpsetup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok LangChain
Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs
This listing does not declare its tools. Connect the server and your client will discover them on the handshake.