Who it is for
Developers building agents that need to hold an email conversation rather than only fire notifications.
AgentMail
Email inboxes that AI agents can operate
Overview
What AgentMail does
AgentMail issues email inboxes to AI agents. Through the connector an inbox can be created on demand and then used to send, receive, reply, and forward, with threads, drafts, and attachments all reachable as tool calls.
The design point is two way conversation rather than one way delivery: an agent can read what arrived, work out what it means, and answer in the context of the thread. That makes an address usable as an identity, for signing up to services or corresponding with people and other agents.
Named operations cover inbox management, message and thread handling with labels, full text search, drafts including scheduled sending, and attachment retrieval with text pulled out of PDF and DOCX files. Connection is by OAuth against an AgentMail console account, with no API key entered in ChatGPT.
What stands out
Inboxes are created on demand and handle inbound mail, which turns an address into an identity an agent can own.
Availability
Where AgentMail is listed
AgentMail, Inc. ships this on both marketplaces: AgentMail is listed in the Claude connectors directory and in the ChatGPT apps directory, under the same publisher domain.
Only 392 of the 3,150 products in this directory are listed in both marketplaces. One MCP server can serve both surfaces; what differs is each platform's listing and review process.
ChatGPT listing
In the ChatGPT apps directory
- Developer
- AgentMail, Inc.
- Filed under
- Productivity
- Listed since
- July 2026
- Authentication
- Authenticates when installed
- Website
- agentmail.to
- Policies published
- Privacy policy · Terms of service
- Official listing
- Open in ChatGPT
- Snapshot
- August 2026
Named skills
AgentMail declares 3 named skills, which puts it in the 6.7% of ChatGPT-listed apps that do.
- manage-inboxes
- send-email
- check-email
Example prompts from the listing
- Create a new inbox for my project on my AgentMail domain
- Find all urgent support emails and reply to each one
- Schedule follow-ups to anyone who hasn't replied in three days
Claude listing
In the Claude connectors directory
AgentMail publishes 24 tools to Claude, deeper than 75.5% of the 1,253 Claude-listed connectors.
The median Claude-listed connector filed under Communication publishes 11, so this one runs 13 tools above its bucket's median and ranks 12th of 29 by tool count.
It falls in the 21-50 tools band, which holds 20% of the Claude directory.
AgentMail publishes a remote MCP endpoint. Claude connects to it over HTTP; there is nothing to install locally.
Every connector in the Claude directory is remote, all 1,253 of them, so transport is not a differentiator there.
- Publisher
- AgentMail, Inc.
- Verification
- Verified partner (37.8% of the Claude directory)
- Filed under
- Communication
- Endpoint
-
https://mcp.agentmail.to/mcp - Documentation
- Publisher setup docs
- Published tools
- 24 · 21-50 tools band
- Depth rank in Communication
- 12 of 29
- Snapshot
- August 2026
AgentMail carries partner verification in the Claude directory, which 474 of 1,253 listings do (37.8%). That is a review step past self-publishing, not an Anthropic-built server.
In the publisher's words
How AgentMail, Inc. describes it
AgentMail gives AI agents their own email inboxes. Through this connector, an agent (or you, in Claude) can spin up a dedicated inbox on the fly, then send, receive, reply to, and forward email, with full thread context, drafts, and attachments, entirely through tool calls. Unlike traditional email APIs built for one-way notifications, AgentMail is built for two-way conversations: an agent can read an incoming thread, understand it, and respond in context, just like a person would. This makes email a first-class communication and identity channel for agents, letting them sign up for services, coordinate with people, and talk to other agents. Key capabilities exposed over MCP: • Inboxes: create, list, get, update, and delete agent inboxes • Messages: send, reply, forward, list, and update • Threads: list, read, label, and delete full conversation threads • Search: full-text search across threads and messages • Drafts: create, list, read, update, send (with scheduling), and delete • Attachments: retrieve attachments by ID, with text extraction for PDF/DOCX Connect in seconds via OAuth using your AgentMail console identity. No API key required in Claude. Sign up free at console.agentmail.to.
Quoted from the connector's own Claude directory listing as captured in August 2026. Node8 did not write it and does not vouch for it.
Nearby
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MailerLite
Build campaigns and manage subscribers in a MailerLite account
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Mailopoly Inbox
One search across Gmail, Outlook, Apple, Yahoo and IMAP mail
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Resend
Send and inspect transactional email from ChatGPT
Claude · ChatGPT
This is an independent catalogue entry compiled by Node8 from AgentMail's public marketplace listings as they stood in August 2026. Listing facts come from the marketplaces; the comparisons against the rest of the directory and any live-endpoint measurements are Node8's. Node8 is not affiliated with AgentMail, Inc., and inclusion here is not an endorsement.
Want your company reachable inside ChatGPT and Claude?
Node8 builds MCP servers end to end: deciding which tools are worth exposing, the authentication and permission model, the review submissions, and the onboarding that gets them used. One server serves ChatGPT, Claude, and Microsoft Copilot.