Pubchem MCP Server
by mrfentmenio.github.mrfentmen/pubchem-mcpv1.0.0
Look up chemical compound properties and synonyms from PubChem. No key required.
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Active19d ago
Install Pubchem MCP server
Install in Claude Code
claude mcp add pubchem-mrfentmen -- npx -y @mrfentmen/pubchem-mcpInstall in Cursor
{
"mcpServers": {
"pubchem-mrfentmen": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/pubchem-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"pubchem-mrfentmen": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/pubchem-mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"pubchem-mrfentmen": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mrfentmen/pubchem-mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"pubchem-mrfentmen": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/pubchem-mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Freshness
Active — last maintenance signal 19d ago. The newest of the signals below sets the band.
Last commit (default branch)
no data · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-21 · 19d ago · official registry · v1.0.0
FAQ
›How do I install the Pubchem MCP server in Claude Code?
Run: claude mcp add pubchem-mrfentmen -- npx -y @mrfentmen/pubchem-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Pubchem require an API key?
No required environment variables are declared in its published metadata.
›Can I use Pubchem as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Pubchem in the official MCP registry?
Yes, as io.github.mrfentmen/pubchem-mcp.