MCP Servers

UpMath MCP Server

Enables Claude Code to render LaTeX equations, TikZ diagrams, and documents into SVG or PNG formats via the UpMath API. It supports a wide range of TeX Live packages and syntax validation without requiring a local TeX installation.

README

UpMath MCP Server

MCP server that gives Claude Code direct access to LaTeX rendering via the UpMath API. Renders equations, TikZ diagrams, and full documents to SVG/PNG without a local TeX installation.

Tools

Tool	Description
`render_equation`	Render LaTeX equation to SVG or PNG
`render_tikz`	Render TikZ/pgfplots/circuitikz diagram to SVG or PNG
`render_batch`	Render multiple equations at once, saving to files
`render_markdown_with_math`	Render markdown with `$$...$$` math to HTML with embedded SVGs
`check_syntax`	Validate LaTeX syntax without saving
`get_render_url`	Get the UpMath URL for embedding in HTML/markdown

Supported Packages

Everything TeX Live supports, including:

Category	Packages
Math	All standard LaTeX math, `mathrsfs`, `esvect`, `stmaryrd`
Graphics	`tikz` + libraries, `tikz-3dplot`, `pgfplots`, `pgflibrary`
Diagrams	`circuitikz` (circuits), `bussproofs` (proofs)
Chemistry	`mhchem`
Formatting	`array`, `xcolor`, `kotex`

Setup

git clone https://github.com/danielsimonjr/upmath-mcp.git
cd upmath-mcp
npm install

Add to ~/.claude/.mcp.json:

{
  "mcpServers": {
    "upmath": {
      "command": "node",
      "args": ["/path/to/upmath-mcp/server.js"]
    }
  }
}

Restart Claude Code. The rendering tools will be available.

Examples

Render the quadratic formula:

render_equation({ latex: "\\frac{-b \\pm \\sqrt{b^2-4ac}}{2a}", format: "svg" })

Render a circuit:

render_tikz({
  tikz: "\\begin{circuitikz}\\draw (0,0) to[R, l=$R_1$] (2,0) to[C, l=$C_1$] (4,0);\\end{circuitikz}",
  packages: ["circuitikz"],
  format: "svg",
  saveTo: "circuit.svg"
})

Self-Hosting

You can run your own UpMath renderer:

docker run -t -p 8080:80 ghcr.io/parpalak/i.upmath.me:master

Then set UPMATH_URL=http://localhost:8080 in your environment.

License

MIT

Credits

UpMath by parpalak — the rendering engine
i.upmath.me — the LaTeX-to-SVG API

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