Astrofabric MCP server

Astrofabric is the official remote MCP server from astrofabric.ai. It answers at https://www.astrofabric.ai/api/mcp over streamable HTTP and asks you to sign in with your astrofabric.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 Astrofabric 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 astrofabric.ai account, and the tools appear once you have approved it.

Add Astrofabric to your AI client

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

claude mcp add --transport http astrofabric https://www.astrofabric.ai/api/mcp

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

{
  "mcpServers": {
    "astrofabric": {
      "url": "https://www.astrofabric.ai/api/mcp"
    }
  }
}

{
  "servers": {
    "astrofabric": {
      "type": "http",
      "url": "https://www.astrofabric.ai/api/mcp"
    }
  }
}

{
  "context_servers": {
    "astrofabric": {
      "url": "https://www.astrofabric.ai/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "astrofabric": {
      "serverUrl": "https://www.astrofabric.ai/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "astrofabric": {
      "url": "https://www.astrofabric.ai/api/mcp"
    }
  }
}

name: Astrofabric
version: 0.0.1
schema: v1
mcpServers:
  - name: Astrofabric
    type: streamable-http
    url: https://www.astrofabric.ai/api/mcp

{
  "mcpServers": {
    "astrofabric": {
      "httpUrl": "https://www.astrofabric.ai/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "astrofabric": {
      "type": "http",
      "url": "https://www.astrofabric.ai/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "astrofabric": {
      "url": "https://www.astrofabric.ai/api/mcp"
    }
  }
}

goose://extension?url=https%3A%2F%2Fwww.astrofabric.ai%2Fapi%2Fmcp&type=streamable_http&id=astrofabric&name=Astrofabric

Is Astrofabric up right now?

It answered our last check on 17 October 2026 in 204 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 Astrofabric

Questions about Astrofabric

Is there an official Astrofabric MCP server?

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

How do I sign in to Astrofabric?

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

Is Astrofabric down?

It answered our last check on 17 October 2026 in 204 ms. Over 10 checks since 4 September 2026 it answered 10.

How do I add Astrofabric to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://www.astrofabric.ai/api/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 Astrofabric 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.astrofabric. Endpoint host: www.astrofabric.ai. ARD identifier: urn:air:ai.astrofabric:mcp:mcp. 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.