Jacobian MCP server
Executable mathematics and independent verification for AI agents.
A92/100grade A
Adoption
Established
192 stars327 downloads/wk
Reviews
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If you have run it, two minutes of your experience saves the next person an afternoon.
Jacobian tools
No tool declarations could be read from the package source. They show once the server is installed.
Public scan report
scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it
no findings
- Code scan3 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 0 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
Runs npx -y jacobian on your machine. Read the scan report first; the gateway never runs local packages.
claude mcp add jacobian -- npx -y jacobian
Jacobian: common questions
- Is Jacobian MCP server safe?
- Yes, by our scan: it is graded A (92/100). Read the Jacobian safety report
- How do I install Jacobian?
- It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
- Does Jacobian need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Jacobian maintained?
- The last commit was in the last day (2026-09-19). The latest release is v0.22.0.