Small, focused utilities for the fiddly parts of building and shipping. No account, no setup — open one and start.
Email authentication
Compose a DMARC record one choice at a time, or paste one you already have and read it back in plain English. The two stay in sync both ways.
Email diagnostics
Paste a raw email and read its headers back in plain language — the SPF, DKIM and DMARC verdicts, and every relay hop with the time it took.
A test API key is yours immediately. Production unlocks when you add a payment method and verify a sender.
Using Claude Code, Cursor, or Codex? Copy a setup prompt and your agent installs the Bird CLI and skills for you. Pick yours:
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