npm
@cyanheads/pubchem-mcp-server
MCP server for the PubChem chemical database. Search compounds, fetch properties, safety data, bioactivity, cross-references, and entity summaries. STDIO & Streamable HTTP.
84good
▣ Overview
▣ Score BreakdownMCPScore = Σ(raw × weight)
DimensionRawWeighted
Security
35%
100
35.0
Freshness
25%
100
25.0
Adoption
20%
46
9.3
Quality
10%
100
10.0
Trust
10%
50
5.0
Total
84.3
⚿ Capabilities & Risk Explainer
fs readfs writenetworkexecsecrets
◆ Risk level: high
fs read + fs write + network + exec + secrets active — can execute code, access credentials, and make external network calls.
⚙ Install config
Claude Desktop · Cursor · Windsurf · VS Code (Copilot) · Claude Code
add to your MCP client config:
{
"mcpServers": {
"cyanheadspubchem": {
"command": "npx",
"args": [
"-y",
"@cyanheads/pubchem-mcp-server"
]
}
}
}📈 Score historylast 30 snapshots
5/28/20267/21/2026 · 30 snapshots
⚙ Maintenance health
72/ 100 · is this project alive?
contributors (1y)1
top contributor share100%
releases (1y)8
last release5d ago
median issue response4.0d
ci✓ passing
⛁ Raw data
weekly downloads120
github stars9
forks3
open issues7
license✓ present
readme length10707 chars
last publish18d ago
last commit18d ago
last updated7d ago
owner of this server? claim your listing to get a verified badgeclaim →
🔔 Score drop alerts
get notified by email when this server's score drops 5+ points