ViralCat MCP server

ViralCat is the official remote MCP server from viral-cat.com. It answers at https://viral-cat.com/api/mcp/mcp over streamable HTTP and asks you to sign in with your viral-cat.com account before it lists its tools, so your client opens a login the first time it connects. Our probes reached it 4 of 4 times since 16 September 2026; the last check, on 22 October 2026, got the sign-in challenge, so it is up.

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Description as the publisher wrote it.

What ViralCat 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 viral-cat.com account, and the tools appear once you have approved it.

Add ViralCat to your AI client

Every block below points at https://viral-cat.com/api/mcp/mcp. Pick your client and copy.

claude mcp add --transport http viralcat https://viral-cat.com/api/mcp/mcp

{
  "mcpServers": {
    "viralcat": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://viral-cat.com/api/mcp/mcp"]
    }
  }
}

{
  "mcpServers": {
    "viralcat": {
      "url": "https://viral-cat.com/api/mcp/mcp"
    }
  }
}

{
  "servers": {
    "viralcat": {
      "type": "http",
      "url": "https://viral-cat.com/api/mcp/mcp"
    }
  }
}

{
  "context_servers": {
    "viralcat": {
      "url": "https://viral-cat.com/api/mcp/mcp"
    }
  }
}

{
  "mcpServers": {
    "viralcat": {
      "serverUrl": "https://viral-cat.com/api/mcp/mcp"
    }
  }
}

{
  "mcpServers": {
    "viralcat": {
      "url": "https://viral-cat.com/api/mcp/mcp"
    }
  }
}

name: ViralCat
version: 0.0.1
schema: v1
mcpServers:
  - name: ViralCat
    type: streamable-http
    url: https://viral-cat.com/api/mcp/mcp

{
  "mcpServers": {
    "viralcat": {
      "httpUrl": "https://viral-cat.com/api/mcp/mcp"
    }
  }
}

{
  "mcpServers": {
    "viralcat": {
      "type": "http",
      "url": "https://viral-cat.com/api/mcp/mcp"
    }
  }
}

{
  "mcpServers": {
    "viralcat": {
      "url": "https://viral-cat.com/api/mcp/mcp"
    }
  }
}

goose://extension?url=https%3A%2F%2Fviral-cat.com%2Fapi%2Fmcp%2Fmcp&type=streamable_http&id=viralcat&name=ViralCat

Is ViralCat up right now?

It answered our last check on 22 October 2026 in 207 ms. Over 4 checks since 16 September 2026 it answered 4. Status here comes from Neuronto's own probes, not from the publisher.

MCP servers similar to ViralCat

Questions about ViralCat

Is there an official ViralCat MCP server?

Yes. It is published by viral-cat.com and served from viral-cat.com, the vendor's own domain: https://viral-cat.com/api/mcp/mcp.

How do I sign in to ViralCat?

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

Is ViralCat down?

It answered our last check on 22 October 2026 in 207 ms. Over 4 checks since 16 September 2026 it answered 4.

How do I add ViralCat to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://viral-cat.com/api/mcp/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 ViralCat 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: com.viral-cat. Endpoint host: viral-cat.com. ARD identifier: urn:air:com.viral-cat:mcp:viral-cat. First indexed 16 September 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.