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Pubchem MCP server

by mrfentmen·io.github.mrfentmen/pubchem-mcp·v1.0.0
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Look up chemical compound properties and synonyms from PubChem. No key required.

C65/100grade C
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Safety scan
C65/100

full report

Adoption
Not measured yet

Usage numbers are collected on the next scan

Reviews

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If you have run it, two minutes of your experience saves the next person an afternoon.

Pubchem tools (2)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • compound

    Properties for a compound by name.

  • search

    Find compound names matching a query.

Public scan report

scanner v0.1.9 · 2026-09-22 · same rubric, same numbers if you re-run it

no findings
  • Code scan5 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10
Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

Runs npx -y @mrfentmen/pubchem-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add pubchem-mcp -- npx -y @mrfentmen/pubchem-mcp
Add to Cursor

Pubchem: common questions

Is Pubchem MCP server safe?
With care: it is graded C, so read the findings first (65/100). Read the Pubchem safety report
How do I install Pubchem?
It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Pubchem need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Pubchem maintained?
The latest release is v1.0.0.
What can I use instead of Pubchem?
Servers from other publishers that do the same job: XActions MCP server.

Alternatives to Pubchem

Same job from other publishers: the closest match first, then the best rated.

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