Claude × Hail

Three steps. That's the bar.

~120 SECONDS · COFFEE OPTIONAL

Grab an API key

Sign in to the Hail console and create a project key. Keep it scoped to the project — you can rotate or kill it any time without touching the rest of your stack.

console.hail.so → Keys → New

Drop Hail into your config

Add the Hail MCP server using the snippet below. Paste it where this client expects MCP servers — the path varies, the shape doesn't.

Settings → Developer → Model Context Protocol

JSON · ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "hail": {
      "command": "npx",
      "args": ["-y", "@hail/mcp"],
      "env": {
        "HAIL_API_KEY": "hl_live_••••"
      }
    }
  }
}

Try it once. It works or it doesn't.

Reload the client. The Hail tools should surface in the agent's toolset. Send the prompt below — if a call is placed, an SMS lands, or an email shows up in the inbox view, you're done.

"Use hail to call my agent and ask for a status update."

■ NOTES & GOTCHAS

Restart Claude Desktop after editing the config.
Claude.ai (Web) supports remote MCP via the Connectors menu — paste https://mcp.hail.so/v1.
Tool permissions surface in the chat — click ✓ once and Hail is trusted for the session.

Three steps. That's the bar.

Grab an API key

Drop Hail into your config

Try it once. It works or it doesn't.

Hail your first call — from this client.