haison8x/geogebra-mcp

MCP server that lets AI (Claude, Cursor…) draw, check and fix plane-geometry figures live on GeoGebra Calculator

Before you install: a copy-paste command is available · license MIT · link reachable

no SECURITY.md

View on GitHub ↗Link checked 2026-11-12 · HTTP 200 · opens the vendor's own site

Install & config

Copy the command above
Paste it as one entry under mcpServers in claude_desktop_config.json — local servers take command + args (example: clients)
Restart your client

Client config (built from the install command this repo gives)

{
  "mcpServers": {
    "haison8x-geogebra-mcp": {
      "command": "npx",
      "args": ["-y", "geogebra-mcp"]
    }
  }
}

Parsed from the README we fetched on 2026-10-26; we have not executed it.

command/args come from the install command the repository states. When it is ambiguous, the project README wins.

VS Code (.vscode/mcp.json - the key is servers)

{
  "servers": {
    "haison8x-geogebra-mcp": {
      "command": "npx",
      "args": ["-y", "geogebra-mcp"]
    }
  }
}

Same server, but VS Code keeps it under <code>servers</code>.

Claude Code (command line)

claude mcp add --transport stdio haison8x-geogebra-mcp -- npx -y geogebra-mcp

Claude Code does not read a config file; add the server with this command.

Key names differ by client: Clients & CLI

Star count: 0 ★ · haison8x/geogebra-mcp · read from the GitHub search API · (checked 2026-11-13 20:00:50)
Source: collected from the punkpeye/awesome-mcp-servers list · type: MCP server
Harvest history: first seen 2026-10-23 · last seen 2026-11-14 · seen 26× · listed by 23 sources
Score: score 2,300 · 23 sources · mcp
Install: npx -y geogebra-mcp

FAQ (answers come from our records)

How do I install it?

The repository provides this install command: npx -y geogebra-mcp. It comes from the repository itself; we cannot guarantee it runs as-is in your client.

Who is it for?

We filed it under these tags: MCP 服务. The tags come from the entry itself, not a taxonomy we imposed.

Who maintains it?

repository haison8x/geogebra-mcp；first catalogued 2026-10-23；last seen 2026-11-14。There is no official certification or quality rating here — we record sources and dates only.

# geogebra-mcp

以下摘录自该仓库的 README（片段） · 在 GitHub 读完整 README →

An MCP server that lets an AI (Claude Desktop, Claude Code, Cursor, …) draw and edit plane-geometry figures directly on GeoGebra® Calculator (https://www.geogebra.org/calculator).
Unlike the copy/paste workflow of the GeoGebra AutoDraw AI extension, the AI here works in a loop: it runs commands, reads errors and the figure state, verifies properties, looks at a screenshot, and fixes the figure itself — and it can edit the figure on request ("H must be the foot from A").
Made with GeoGebra® — https://www.geogebra.org
> Unofficial project, not affiliated with or endorsed by GeoGebra GmbH. See License & GeoGebra.
## How it works
AI client ──MCP (stdio)──► geogebra-mcp ──Playwright──► Chrome window: geogebra.org/calculator
└─ window.ggbApplet (GeoGebra JS API)
On the first tool call the server opens a Chrome (or Edge) window on GeoGebra Calculator. The user watches the figure being drawn and can drag/edit it by hand.
Tools call the GeoGebra JS API (ggbApplet) inside the page through page.evaluate — no simulated clicks.
Commands run through asyncEvalCommandGetLabels, which lazy-loads GeoGebra modules, so prover/scripting commands (AreCollinear, Incircle, TriangleCenter, ClosestPoint(line, point)…) work.
GeoGebra reports a failed command only as null, so the server adds its own diagnostics (unknown names, unknown commands, unbalanced brackets, known pitfalls) and warnings (undefined results, reserved names, two-point intersections without an index).
If the window is closed or reloaded, the next tool call reopens it and restores the last known figure.
Undo is managed by the server (XML history), because ggbApplet.undo() does not revert API commands.
## Tools
| Tool | Purpose |
| ggbruncommands | Run commands in order; per-command result, created/removed objects, warnings, failure hints. Assigning to an existing name redefines it. |
| ggbgetstate | Objects with type, definition, value, coordinates, visibility, dependsOn / usedBy. |
| ggbscreenshot | PNG of the drawing area (or the whole window) for visual checking. |
| ggbevaluate | Evaluate expressions without adding objects (Angle(B, A, C), AreCollinear(A, H, O)…). |
| ggbsetstyle | Color, visibility, label, caption, thickness, line style, point size, fill, fixed. |
| ggbdelete | Delete objects (and their dependents). |
| ggbclear | Start a new figure. |
| ggbundo | Revert changes made through the server. |
| ggbsnapshot | Save / restore / list named versions. |
| ggbfitview | Fit every visible point and circle in view (1:1 ratio), toggle axes/grid. |
| ggbexport | Save as .ggb or .png. |
Also: resource geogebra://rules (construction rules), resource geogebra://commands (command catalog), prompt drawgeometryproblem.
## Setup
Requirements: Node.js ≥ 20 and Google Chrome or Microsoft Edge (otherwise run npx playwright install chromium).
### Claude Code (plugin)
bash
claude plugin marketplace add haison8x/geogebra-mcp
claude plugin install geogebra-mcp@geogebra-tools
The server then shows up in /mcp as plugin:geogebra-mcp:geogebra. Update later with claude plugin update geogebra-mcp@geogebra-tools.

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Source: awesome · https://github.com/haison8x/geogebra-mcp
Browse by field: MCP servers
Listed by: 23 independent sources
added: today
Security policy: no SECURITY.md at the repository root (which does not mean it is unsafe)

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