ChemDraw MCP (unofficial) MCP server
Molecule names or SMILES to 2D structures, reactions, mechanisms, spectra - offline via RDKit.
A92/100grade A
Adoption
Growing
13 stars322 downloads/wk
Reviews
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If you have run it, two minutes of your experience saves the next person an afternoon.
ChemDraw MCP (unofficial) tools
No tool declarations could be read from the package source. They show once the server is installed.
Public scan report
scanner v0.1.8 · 2026-09-19 · same rubric, same numbers if you re-run it
no findings
- Code scan93 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
- Maintenancelast push 7 days ago15/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 92/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
Grade history
- 2026-09-19restoreB → Ascore 92
Install directly
claude mcp add chemdraw-mcp -- uvx chemdraw-mcp
ChemDraw MCP (unofficial): common questions
- Is ChemDraw MCP (unofficial) MCP server safe?
- Yes, by our scan: it is graded A (92/100). Read the ChemDraw MCP (unofficial) safety report
- How do I install ChemDraw MCP (unofficial)?
- It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
- Does ChemDraw MCP (unofficial) need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is ChemDraw MCP (unofficial) maintained?
- The last commit was 7 days ago (2026-09-12). The latest release is v0.4.1.