A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall. Connect the official Mails.ai — Agent Email MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.
claude mcp add --transport http mails-ai-agent-email https://api.mails.ai/mcpRun in your terminal, then restart Claude Code. The client will open the vendor's sign-in the first time you use it.
Mails.ai — Agent Email · https://api.mails.ai/mcp
Real prompts you can type the moment it's connected — no setup, no docs to read.
“What can Mails.ai — Agent Email do for me?”
“Show me the tools Mails.ai — Agent Email exposes.”
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Mails.ai — Agent Email holds up.
Operated by Mails.ai — Agent Email (mails.ai) at its documented MCP endpoint — not a third-party mirror or community re-host.
You grant access from your own Mails.ai — Agent Email account and can revoke it there at any time. gate never sees your password.
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
If Mails.ai — Agent Email adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Mails.ai — Agent Email's server requires OAuth, so it can't be scanned anonymously — connect it in gate and the same scan runs automatically before it goes live.
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Choose Mails.ai — Agent Email in the gate directory. Sign in to your Mails.ai — Agent Email account to grant access.
Mails.ai — Agent Email's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
https://api.mails.ai/mcpYes — Mails.ai — Agent Email operates its own remote MCP server at api.mails.ai. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
Add gate's gateway URL to your AI client once, then pick Mails.ai — Agent Email in the directory. You sign in to Mails.ai — Agent Email via OAuth to grant access. From then on, Mails.ai — Agent Email's tools are available in every client you've connected to gate.
No. Mails.ai — Agent Email runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Yes — you can get started with gate for free and connect Mails.ai — Agent Email in minutes. No credit card required.
Every server below works through the same gateway URL — connect once, add tools anytime.
Set up Mails.ai — Agent Email in: Claude · Claude Code · ChatGPT · Cursor · VS Code
One URL. All MCPs. Full control. Free to start.
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