Local + RemoteFree

Pubchem MCP server

cyanheads/pubchem-mcp-server

Search PubChem compounds, properties, safety data, bioactivity, and cross-references.

10 GitHub stars3 forks
Source code

Install Pubchem in Claude Code

Remote URL

Claude Code
claude mcp add --transport http pubchem https://pubchem.caseyjhand.com/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "pubchem": {
      "url": "https://pubchem.caseyjhand.com/mcp"
    }
  }
}

npm

Claude Code
claude mcp add pubchem -- npx -y @cyanheads/pubchem-mcp-server
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "pubchem": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/pubchem-mcp-server"
      ]
    }
  }
}

Frequently asked questions

What does the Pubchem MCP server do?

Search PubChem compounds, properties, safety data, bioactivity, and cross-references.

Is the Pubchem MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Pubchem run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Pubchem to Claude Code?

Run: claude mcp add --transport http pubchem https://pubchem.caseyjhand.com/mcp

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