Mails.ai — Agent Email MCP: what works in Claude, ChatGPT, Cursor, and Grok Bot

A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.

Registry name: ai.mails/agent-email (v0.5.0) | npm @mailsai/mcp-server: ? weekly downloads

Status grid

AppStatusDate tested
ClaudeUntestedNot yet tested
ChatGPTUntestedNot yet tested
CursorUntestedNot yet tested
Grok BotUntestedNot yet tested
MCP Inspector (reference client)UntestedNot yet tested
MCP TypeScript SDK (reference client)UntestedNot yet tested

Hands-on test results

No hands-on tests yet. We do not publish results until we have actually tested.

Automated handshake

Needs sign-in HTTP 401, 1448 ms, checked Fri, 16 Oct 2026 17:08:30 GMT

Gotchas

None recorded yet. Gotchas come only from hands-on tests.

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[![Mails.ai — Agent Email MCP status on ConnectorReport](https://connectorreport.com/badge/ai-mails-agent-email.svg)](https://connectorreport.com/c/ai-mails-agent-email?utm_source=badge&utm_medium=embed&utm_campaign=ai-mails-agent-email)

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Mails.ai — Agent Email MCP: does it work in Claude, ChatGPT, Cursor, Grok Bot?