AI Plugin Index
Jacobian
CommunityMCP server by morluto · updated · ★ 306
Executable mathematics and independent verification for AI agents. Jacobian is a community project by morluto, not verified by a company domain.
Last commit in the past day
MIT: permissive, fine for commercial use
Clear description, published package or server URL, 306 stars, original repository
Not checked yet. What we check
Install Jacobian
Built from the published package, never by AIclaude mcp add jacobian -- npx -y jacobianRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"jacobian": {
"command": "npx",
"args": [
"-y",
"jacobian"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"jacobian": {
"command": "npx",
"args": [
"-y",
"jacobian"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"jacobian": {
"command": "npx",
"args": [
"-y",
"jacobian"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add jacobian -- npx -y jacobian{
"mcpServers": {
"jacobian": {
"command": "npx",
"args": [
"-y",
"jacobian"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add jacobian npx -y jacobianGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the jacobian block.
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Jacobian: common questions
How do I install Jacobian?
In Claude Code run claude mcp add jacobian -- npx -y jacobian. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Jacobian the official server?
Jacobian is a community project by morluto, not verified by a company domain.
Is Jacobian free?
The code is published under the MIT licence. The service it connects to may have its own pricing.
Is Jacobian safe to use?
It scores 83 of 100. Grades: maintenance A, licence A, quality B. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to Jacobian?
Similar MCP servers: Jay Code, Apple Health, IBGE Brasil MCP, codescene-mcp-server.
Does Jacobian work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.