AI Plugin IndexJay Code vs Jacobian
Jay Code and Jacobian are both science and health MCP servers. Jay Code scores higher (94 vs 83 out of 100). Jay Code has more GitHub stars (78k), and Jay Code was updated more recently (3 days ago). The table compares them side by side.
| Jay Code | Jacobian | |
|---|---|---|
| Score | 94 / 100 | 83 / 100 |
| What it does | Streamlined AI CLI orchestration engine with mathematical rigor and enterprise-grade reliability | Executable mathematics and independent verification for AI agents. |
| Publisher | Verified: npm:jay-code | Community: morluto |
| Grades | Maintenance A, Licence A, Quality A | Maintenance A, Licence A, Quality B |
| npm downloads a week | 229 | 150 |
| Runs | Local | Local |
| Works with | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf | Claude Code, Claude Desktop, Cursor, Codex, Gemini CLI, VS Code, Windsurf |
| GitHub stars | 77,500 | 306 |
| Last commit | 20 Oct 2026 | 19 Oct 2026 |
| Licence | MIT | MIT |
| Listed since | 20 Oct 2026 | 19 Oct 2026 |
| Install Jay Code | Install Jacobian |
Questions
Is Jay Code or Jacobian more popular?
Jay Code has more GitHub stars: 77,500.
Can I use Jay Code and Jacobian together?
Yes. AI assistants can load several MCP servers at once. Install both and the assistant picks the right one for each task.