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VS Code

pubchem mcp for VS Code

io.github.mrfentmen/pubchem-mcp

Look up chemical compound properties and synonyms from PubChem. No key required.

client:VS Code transport:stdio runtime:npm

Install pubchem mcp in VS Code

.vscode/mcp.json 

{
  "servers": {
    "pubchem-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@mrfentmen/pubchem-mcp"
      ]
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs

pubchem mcp in other clients

pubchem mcp MCP server