Every AI agent builder hits the same wall: "Please verify your email."
Your agent can browse the web, write code, manage calendars. But it can't receive a simple verification email.
I built MailCat to fix this. And the setup is one prompt.
The Solution
Just paste this into Claude Code, OpenClaw, or any AI agent:
"Read https://mailcat.ai/skill.md and set up a MailCat mailbox for yourself. Save the token securely."
That's it. Your agent:
- Reads the skill.md documentation
- Creates a mailbox via API
- Saves the token
- Checks inbox when needed
- Extracts verification codes automatically
No config. No API keys to set up. Your AI reads the docs and handles everything.
Why This Works
The key insight: if your AI can read documentation, it can integrate itself.
The skill.md at https://mailcat.ai/skill.md is designed for AI agents:
- Clear structure
- Complete API examples
- Everything an AI needs to integrate
You don't configure email for your AI. You tell your AI to read the docs. It does the rest.
Features
| Feature | Description |
|---|---|
| One prompt setup | AI reads docs and integrates itself |
| Auto-extraction | Codes and links extracted automatically |
| 1-hour retention | Perfect for verification flows |
| Self-hostable | Deploy on your own Cloudflare account |
| Open source | MIT licensed |
Use Cases
- Autonomous signups - Agent registers for services
- E2E testing - Test email flows in CI/CD
- Newsletter processing - Subscribe and summarize
- Notification monitoring - Watch for alerts
Try It
Paste this into your AI agent:
Read https://mailcat.ai/skill.md and set up a MailCat mailbox for yourself. Save the token securely.
Your agent handles the rest.
- Website: https://mailcat.ai
- GitHub: https://github.com/apidog/mailcat
What other developer tools should work this way - AI reads docs, AI integrates itself?
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