The Agent Temp Mail blog
Field notes on email for AI agents: verification codes, MCP servers, testing signup flows, how the alternatives compare, and reading untrusted mail without getting played.
Guides
Set up an inbox for an agent and use it well.
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01
Guide
How to give an AI agent its own email address
Agents stall at “check your email.” Compare the ways to give an AI agent an inbox it can read itself, then set one up for ChatGPT, Claude, or your own code. -
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Guide
How AI agents can receive email verification codes and magic links
A dependable loop for agents that hit a verification step: start the clock, wait for the right sender, treat codes as candidates, and check before acting. -
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Guide
Can ChatGPT receive email? Giving ChatGPT a temporary inbox
ChatGPT has no inbox of its own, but it can use one. How a key-derived address and a signed read link let ChatGPT receive codes and confirmation emails. -
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Integration
An email MCP server for Claude Code, Codex, and Cursor
Give coding agents a real inbox over MCP: install the agent-temp-mail server with one command, learn its seven tools, and keep the key out of the model. -
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Testing
Testing email verification flows with Playwright
End-to-end test signup links, one-time codes, and password resets in Playwright with a fresh, real inbox per test. No mail server, mocks, or API keys.
Comparisons
How Agent Temp Mail stacks up against other temporary email services, test inboxes, and agent email platforms.
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Comparison
Temp mail for AI agents: 12 options compared
Twelve ways to give an AI agent an inbox, compared on what agents need: the credential they hold, inbox privacy, code extraction, MCP, ChatGPT, and price. -
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Comparison
Temp-mail.org alternatives with an API, for developers and AI agents
Need temp mail with an API, or an inbox an AI agent can use? How temp-mail.org and seven alternatives compare on privacy, retention, API access, and price. -
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Comparison
AgentMail alternatives: 7 options for giving agents email
AgentMail suits agents that send and converse. If yours only receives codes, or needs calendars, SMS, or your own domain, here are seven alternatives. -
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Comparison
Agent Temp Mail vs AgentMail: which does your agent need?
Similar names, different jobs. AgentMail gives agents full mailboxes that send and reply; Agent Temp Mail gives them a free, private inbox for receiving codes. -
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Comparison
Temp mail MCP servers for Claude Code, Codex, and Cursor, compared
Ten email MCP servers that let coding agents receive verification codes, compared on credentials, inbox privacy, wait and code tools, and who maintains them. -
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Comparison
Mailinator vs MailSlurp vs Mailosaur for AI agents
Three QA email tools, judged as inboxes for AI agents: the credential the agent holds, inbox privacy, code extraction, MCP support, and free tiers. -
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Evaluation
Temporary email API: what to check before you build on one
Picking a temporary or disposable email API for tests or AI agents? The questions that matter: who can read an inbox, retention, parsing, limits, and safety.
Explainers
How key-derived addresses work, and how to read untrusted mail safely.
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Explainer
A temporary email address that doesn’t expire
Most temp mail addresses vanish within the hour. Here’s how a key-derived address never expires while the messages it receives still disappear after 24 hours. -
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Security
Prompt injection by email: how to let AI agents read mail safely
Anyone can write to your agent’s inbox. How email-borne prompt injection works, and six design rules that keep mail-reading agents doing only what you asked.