Equation Io MCP Server

equation.io - a graphing calculator with a built-in CAS. Type equations; they compile to GPU shaders and render as 2D curves, 3D surfaces, vector fields, ODE phase portraits, probability densities, and more. It is available as a remote MCP endpoint.

Teams that want a hosted endpoint instead of running a local process. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-15 · ★ 405 · #235 OF 945 MAINTAINED OTHER · VERIFIED 2026-09-18

MIT · TypeScript servers · how we verify → /methodology

01 · Install Equation Io

Claude Code

claude mcp add aantthony-equation.io --transport http https://equation.io/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "aantthony-equation.io": {
      "url": "https://equation.io/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://equation.io/mcp

transport: streamable-http

endpoint alive - responded to MCP initialize · probed 2026-09-18

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as remote - your agent's requests go to equation.io

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license MIT - declared in the repository

registry vendor namespace io.equation - domain-verified with the official MCP registry

03 · Who maintains Equation Io

Equation.io is maintained by aantthony. It's the only MCP server we track from this author; the repo dates to May 2010.

04 · Facts

repository
github.com/aantthony/equation.io
website
https://equation.io/
category
other - ranked #235 of 945 actively-maintained other servers as of 2026-09-18.
registry
io.equation/equation (active, first published 2026-09-14)

05 · Equation Io FAQ

What is Equation Io?

equation.io - a graphing calculator with a built-in CAS. Type equations; they compile to GPU shaders and render as 2D curves, 3D surfaces, vector fields, ODE phase portraits, probability densities, and more. It is available as a remote MCP endpoint.

Is Equation Io still maintained?

Yes - as of 2026-09-18, its last commit was 2026-09-15. We re-verify nightly.

How do I install Equation Io?

Run `claude mcp add aantthony-equation.io --transport http https://equation.io/mcp`. You can also paste the ready-made client config above.

Does Equation Io require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-09-18; you can connect without credentials.

06 · Alternatives to Equation Io

Alternatives to Equation Io

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