My Claude Code agent had everything except an email address. Repo access. Shell. MCP tools. But the moment any task hit "verify your account" or "we sent you a code", it stalled and asked me to paste the link. So I gave it an inbox. The whole setup was two commands. The change to its workflow was bigger than I expected. The problem agents actually hit Most "agentic" tasks fail at one of three points: Signup walls — agent registers for an API, has no inbox to confirm OTP loops — 2FA code lands in my inbox, not the agent's Async replies — agent sends a request, the response arrives by email, agent never sees it The fix is not a smarter prompt. It is an actual email address the agent can read from and send to. Think of it as a real identity, not a CLI flag. The setup Two commands. No OAuth, no Gmail tenant, no Workspace seat.…