Timezone Truth MCP server

Timezone Truth is a remote MCP server that gives an AI agent 1 tool, among them convert_time. It answers at https://timezone-truth.gumballtools.com/api/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 9 of 9 times since 5 September 2026; the last check, on 17 October 2026, succeeded.

Convert times between IANA zones and detect skipped or ambiguous DST local times.

Description as the publisher wrote it.

The 1 tool Timezone Truth offers

Add Timezone Truth to your AI client

Every block below points at https://timezone-truth.gumballtools.com/api/mcp. Pick your client and copy.

claude mcp add --transport http timezone-truth https://timezone-truth.gumballtools.com/api/mcp

{
  "mcpServers": {
    "timezone-truth": {
      "command": "npx",
      "args": ["-y", "mcp-remote", "https://timezone-truth.gumballtools.com/api/mcp"]
    }
  }
}

{
  "mcpServers": {
    "timezone-truth": {
      "url": "https://timezone-truth.gumballtools.com/api/mcp"
    }
  }
}

{
  "servers": {
    "timezone-truth": {
      "type": "http",
      "url": "https://timezone-truth.gumballtools.com/api/mcp"
    }
  }
}

{
  "context_servers": {
    "timezone-truth": {
      "url": "https://timezone-truth.gumballtools.com/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "timezone-truth": {
      "serverUrl": "https://timezone-truth.gumballtools.com/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "timezone-truth": {
      "url": "https://timezone-truth.gumballtools.com/api/mcp"
    }
  }
}

name: Timezone Truth
version: 0.0.1
schema: v1
mcpServers:
  - name: Timezone Truth
    type: streamable-http
    url: https://timezone-truth.gumballtools.com/api/mcp

{
  "mcpServers": {
    "timezone-truth": {
      "httpUrl": "https://timezone-truth.gumballtools.com/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "timezone-truth": {
      "type": "http",
      "url": "https://timezone-truth.gumballtools.com/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "timezone-truth": {
      "url": "https://timezone-truth.gumballtools.com/api/mcp"
    }
  }
}

goose://extension?url=https%3A%2F%2Ftimezone-truth.gumballtools.com%2Fapi%2Fmcp&type=streamable_http&id=timezone-truth&name=Timezone%20Truth

Is Timezone Truth up right now?

It answered our last check on 17 October 2026 in 800 ms. Over 9 checks since 5 September 2026 it answered 9. Status here comes from Neuronto's own probes, not from the publisher.

MCP servers similar to Timezone Truth

Questions about Timezone Truth

Is there an official Timezone Truth MCP server?

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

How many tools does Timezone Truth have?

1, as returned by the server's own tools/list on 5 September 2026: convert_time.

Is Timezone Truth down?

It answered our last check on 17 October 2026 in 800 ms. Over 9 checks since 5 September 2026 it answered 9.

How do I add Timezone Truth to Cursor?

Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://timezone-truth.gumballtools.com/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 Timezone Truth need an API key?

It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.

Where this comes from

Publisher: com.gumballtools. Endpoint host: timezone-truth.gumballtools.com. ARD identifier: urn:air:com.gumballtools:mcp:timezone-truth. First indexed 5 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.