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From @cyanheads/pubchem-mcp-server
Provides local access to the PubChem database for querying chemical compounds, properties, and bioassay data via its REST API. Runs locally with no credentials required.
npx claudepluginhub cyanheads/cyanheads --plugin pubchem-mcp-serverCopy this JSON into your .mcp.json to enable this server
Add to your .mcp.json:
{
"mcpServers": {
"@cyanheads/pubchem-mcp-server": {
"command": "npx",
"args": [
"-y",
"@cyanheads/pubchem-mcp-server"
],
"env": {
"MCP_TRANSPORT_TYPE": "stdio"
}
}
}
}Server configuration and connection parameters
npxCommand-line arguments passed to the server process
Environment variables set when the server starts
MCP_TRANSPORT_TYPE=stdioShare bugs, ideas, or general feedback.