Launching today
Milo

Milo

Test your AI support agent before your customers do

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Milo gives your AI email agent fake customers with real email addresses. Six scripted personas (angry refunds, chargeback threats, silence, GDPR requests) reply over real SMTP, deterministically: same inputs, same replies, no LLM in the reply path. Plus-address run IDs and a JSON lookup API make every conversation assertable in CI. There is no signup: emailing refund-angry@joinmilo.email is the onboarding. Strict mode rebuffs vague promises. MCP server, llms.txt and an agent skill included.

Milo makers

Here are the founders, developers, designers and product people who worked on Milo