AgentFirstStack is answering right now. Last checked 8 min ago. Last commit 7 Nov 2026.
Analytics, tag manager, email inboxes and session replay an AI agent sets up itself. Open source.
We read the source, 6 h ago · rules 995398eba69f
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.
…nce; verify x-signature t=..,v1=HMAC-SHA256(secret, \"<t>.<body>\")). type slack: a Slack incoming-webhook URL (https://hooks.slack.com/services/...). type email: every member of this project (people who claimed it), only when the deployment sends email. URLs must be public https…
<script defer src="https://analytics.agentfirststack.com/s.js" data-site="site_6hmh1a6dbbn8mdfp"></script>
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
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.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.
claude mcp add mcp --transport http https://agentfirststack.com/mcp
https://agentfirststack.com/mcp
[mcp_servers.mcp]
url = "https://agentfirststack.com/mcp"
{
"mcpServers": {
"mcp": {
"url": "https://agentfirststack.com/mcp"
}
}
}
{
"servers": {
"mcp": {
"type": "http",
"url": "https://agentfirststack.com/mcp"
}
}
}
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.
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://agentfirststack.com/mcp | streamable-http | sign-in | 137 ms | 8 min ago |
Email inboxes for AI agents: wait for mail, pull out verification codes and links, reply. Free.
Email inboxes for AI agents: send, receive, reply, search, and manage threaded email over MCP.
Real email inboxes for AI agents: open an address, read the one-time code, send mail.
Gmail for agents: create inboxes, read and reply to mail, send email, manage domains. OAuth sign-in.
Register .si domains, manage DNS, and give your AI agent an email inbox on your own domain.
Task-scoped email inboxes for AI agents: read mail, extract verification codes, and reply.
Free email inboxes for AI agents: self sign-up, receive email and verification codes.
Manage email campaigns, contacts, brand settings, and analytics with Nudgen AI email retention.
Answers built from our own checks of this server.