ChatGPT × 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 → Connectors → Add MCP server

URL · Connector URL

https://mcp.hail.so/v1?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.

"Send an SMS to +1-415-555-0123 saying tomorrow's meeting moved to 3pm."

■ NOTES & GOTCHAS

Use a project-scoped key (created in console) for per-GPT isolation.
In Custom GPTs, toggle the Hail connector under Capabilities.
Conversation history is never sent to Hail — only the tool args your agent picks.

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.