Free transactional email + SMTP relay. Agents self-signup, no API key needed to start. Connect the official Agent Email List — Free SMTP Relay for AI Agents 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 agent-email-list-free-smtp-relay-for-ai-agents https://ai.agentemaillist.com/mcpRun in your terminal, then restart Claude Code.
Agent Email List — Free SMTP Relay for AI Agents · https://ai.agentemaillist.com/mcp
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “create_account”: Create an account on this email service and get an API key back. Needs no existing credentials, so an agent with nothing can call this first.”
“Use “list_domains”: List the sending domains on this account, with their verification state and how much of today's sending allowance each has left.”
“Use “add_domain”: Register a domain to send from, and get the DNS records that must be published before it will work. Publishing DNS usually needs a human wit.”
“Use “verify_domain”: Re-read DNS now and mark the domain active if its SPF and DKIM records are visible. DNS takes minutes to hours to propagate; poll this every.”
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Agent Email List — Free SMTP Relay for AI Agents holds up.
gate scanned 8 tools on Oct 6, 2026. A few things are worth a look before you connect.
Operated by Agent Email List — Free SMTP Relay for AI Agents (agentemaillist.com) at its documented MCP endpoint — not a third-party mirror or community re-host.
This server only exposes public data — no account and no credentials are involved when you connect.
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 Agent Email List — Free SMTP Relay for AI Agents adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Choose Agent Email List — Free SMTP Relay for AI Agents in the gate directory. No sign-in needed.
Agent Email List — Free SMTP Relay for AI Agents'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
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
create_account — Create an account on this email service and get an API key back. Needs no existing credentials, so an agent with nothing can call this first
list_domains — List the sending domains on this account, with their verification state and how much of today's sending allowance each has left.
add_domain — Register a domain to send from, and get the DNS records that must be published before it will work. Publishing DNS usually needs a human wit
verify_domain — Re-read DNS now and mark the domain active if its SPF and DKIM records are visible. DNS takes minutes to hours to propagate; poll this every
send_email — Send a message. The domain must be verified and the from address must belong to it. Counts one against the daily allowance per recipient. Se
get_sending_limits — How much this domain may send today and what graduates it to the next rung, plus this account's standing: how many domains it may hold and w
list_messages — Recent messages for a domain, sent and received. Use direction to filter, and folder to separate inbox from spam on received mail.
get_delivery_events — What happened to messages on this domain: accepted, delivered, failed, and so on. A send returning success means queued, not delivered; this
https://ai.agentemaillist.com/mcpYes — Agent Email List — Free SMTP Relay for AI Agents operates its own remote MCP server at ai.agentemaillist.com. 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 Agent Email List — Free SMTP Relay for AI Agents in the directory. No account or sign-in is needed. From then on, Agent Email List — Free SMTP Relay for AI Agents's tools are available in every client you've connected to gate.
No. Agent Email List — Free SMTP Relay for AI Agents 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 Agent Email List — Free SMTP Relay for AI Agents in minutes. No credit card required.
Every server below works through the same gateway URL — connect once, add tools anytime.
Set up Agent Email List — Free SMTP Relay for AI Agents in: Claude · Claude Code · ChatGPT · Cursor · VS Code
One URL. All MCPs. Full control. Free to start.
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