Atomic Clock MCP Server: Install & Setup

Install Atomic Clock in Claude Code

Claude Code

claude mcp add atomic-clock -- uvx atomic-clock-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "atomic-clock": {
      "command": "uvx",
      "args": [
        "atomic-clock-mcp"
      ]
    }
  }
}

Current UTC time from NTP atomic clocks. Zero-dependency stdio server.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add atomic-clock -- uvx atomic-clock-mcp

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