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Agent Mail MCP Server

answering

Agent Mail is answering right now. Last checked 13 min ago. Last commit 11 Sep 2026.

Give an AI agent its own inbox — receive email as a webhook, send over a verified domain.

Uptime history 91 days of history · worst day 96%
91 days agonow
100.0%
Uptime 24h
91 of 91 checks
—
Tools
hidden behind auth
338 ms
Response time
average over 24h
0
Stars
last commit 11 Sep 2026

What the code does

We read the source, 4 d ago · rules 995398eba69f

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command prepack.mjs:18
execFileSync(process.execPath, [path.join(HERE, "gen-readme-tools.mjs")], { stdio: "inherit" });

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.

run in your terminal
claude mcp add agent-mail --transport http 'https://mcp.mailkite.dev/mcp?ref=agent-mail'
Settings → Connectors → Add custom connector, then paste this address
https://mcp.mailkite.dev/mcp?ref=agent-mail
~/.codex/config.toml
[mcp_servers.agent-mail]
url = "https://mcp.mailkite.dev/mcp?ref=agent-mail"
.cursor/mcp.json
{
  "mcpServers": {
    "agent-mail": {
      "url": "https://mcp.mailkite.dev/mcp?ref=agent-mail"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "agent-mail": {
      "type": "http",
      "url": "https://mcp.mailkite.dev/mcp?ref=agent-mail"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Endpoints

URLTransportStateLatencyChecked
https://mcp.mailkite.dev/mcp?ref=agent-mail streamable-http sign-in 84 ms 13 min ago

Alternatives to Agent Mail

same job, measured the same way
Email Agent
by mailkite

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namailu.cz Agent Email
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namailu.cz gives your AI agent its own email inbox: read and send mail over MCP, with OAuth.

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Agenticmail
by agenticmail

Real email and SMS for AI agents — send mail, receive verification codes, drive a real inbox.

357 installs/wk local only
Dead Simple Email
by deadsimple

Give an agent its own inbox: send, receive, and pull signup codes from real email.

191 installs/wk 14 tools answering
DomainSpace
by domainspace

Register .si domains, manage DNS, and give your AI agent an email inbox on your own domain.

15 tools answering
A
AgentBrink
by agentbrink-www

Give your AI agent an identity: its own email, webhook, repo, secrets vault, memory and skills.

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AgentMail
by agentmail

Email inboxes for AI agents: send, receive, reply, search, and manage threaded email over MCP.

answering
Mail Receive
by mailkite

Receive inbound email as clean JSON — manage domains, routes, and webhooks. MailKite.

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Agent Mail — questions

Answers built from our own checks of this server.

Why is there no tool list for Agent Mail?
The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.
Is Agent Mail working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 338 ms. The bar chart above shows every period we have measured.
How do I connect Agent Mail?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.
How do you sign in to Agent Mail?
No API key is involved. Agent Mail answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.
How fast is Agent Mail?
It answers our handshake in 338 ms on average, which is faster than 42% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Agent Mail open source?
We cannot say either way: written in JavaScript and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.