Cactal MCP server

Cactal is the official remote MCP server from cactal.ai. It answers at https://api.cactal.ai/v1/mcp over streamable HTTP and asks you to sign in with your cactal.ai account before it lists its tools, so your client opens a login the first time it connects. Our probes reached it 10 of 10 times since 4 September 2026; the last check, on 17 October 2026, got the sign-in challenge, so it is up.

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Description as the publisher wrote it.

What Cactal needs before it works

A sign-in. The server refused to list its tools to an anonymous client and answered with an authentication challenge, which is how an MCP server protected by OAuth behaves. Add it with one of the setups below; the first connection opens a login for your cactal.ai account, and the tools appear once you have approved it.

Add Cactal to your AI client

Every block below points at https://api.cactal.ai/v1/mcp. Pick your client and copy.

claude mcp add --transport http cactal https://api.cactal.ai/v1/mcp

{
  "mcpServers": {
    "cactal": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://api.cactal.ai/v1/mcp"]
    }
  }
}

{
  "mcpServers": {
    "cactal": {
      "url": "https://api.cactal.ai/v1/mcp"
    }
  }
}

{
  "servers": {
    "cactal": {
      "type": "http",
      "url": "https://api.cactal.ai/v1/mcp"
    }
  }
}

{
  "context_servers": {
    "cactal": {
      "url": "https://api.cactal.ai/v1/mcp"
    }
  }
}

{
  "mcpServers": {
    "cactal": {
      "serverUrl": "https://api.cactal.ai/v1/mcp"
    }
  }
}

{
  "mcpServers": {
    "cactal": {
      "url": "https://api.cactal.ai/v1/mcp"
    }
  }
}

name: Cactal
version: 0.0.1
schema: v1
mcpServers:
  - name: Cactal
    type: streamable-http
    url: https://api.cactal.ai/v1/mcp

{
  "mcpServers": {
    "cactal": {
      "httpUrl": "https://api.cactal.ai/v1/mcp"
    }
  }
}

{
  "mcpServers": {
    "cactal": {
      "type": "http",
      "url": "https://api.cactal.ai/v1/mcp"
    }
  }
}

{
  "mcpServers": {
    "cactal": {
      "url": "https://api.cactal.ai/v1/mcp"
    }
  }
}

goose://extension?url=https%3A%2F%2Fapi.cactal.ai%2Fv1%2Fmcp&type=streamable_http&id=cactal&name=Cactal

Is Cactal up right now?

It answered our last check on 17 October 2026 in 237 ms. Over 10 checks since 4 September 2026 it answered 10. Status here comes from Neuronto's own probes, not from the publisher.

MCP servers similar to Cactal

Questions about Cactal

Is there an official Cactal MCP server?

Yes. It is published by cactal.ai and served from api.cactal.ai, the vendor's own domain: https://api.cactal.ai/v1/mcp.

How do I sign in to Cactal?

Add the server with a setup above. The first time your client connects it opens the sign-in page for cactal.ai; approve it and the tools load.

Is Cactal down?

It answered our last check on 17 October 2026 in 237 ms. Over 10 checks since 4 September 2026 it answered 10.

How do I add Cactal to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://api.cactal.ai/v1/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.

Does Cactal need an API key?

It needs a sign-in rather than a key you paste: the server answered with an authentication challenge, so your client runs the login when it first connects.

Where this comes from

Publisher: ai.cactal. Endpoint host: api.cactal.ai. ARD identifier: urn:air:ai.cactal:mcp:cactal. First indexed 31 August 2026. The tools are exactly what the server returned; nothing on this page is inferred from its name. Ranking in Neuronto search is never for sale.