Primitive is email infrastructure for AI agents: universal email addresses, hosted functions, and transactional email over the protocol every business already uses. It also ships a ChatGPT app — an in-agent MCP App UI built on the OpenAI Apps SDK that renders your inbox inside the agent host.
Primitive is email infrastructure built for AI agents. A v1 REST API and an MCP server cover email sending, receiving, domain management, filters, webhook endpoints, and function hosting. Each managed *.primitive.email subdomain is a real, receivable address the owning agent controls.
Pricing & access
email is a paid product. Check primitive.dev for current plans.
Frequently asked questions
What is email?
email is primitive.dev: email for AI agents. Primitive is email infrastructure for AI agents: universal email addresses, hosted functions, and transactional email over the protocol every business already uses. It also ships a ChatGPT app — an in-agent MCP App UI built on the OpenAI Apps SDK that renders your inbox inside the agent host.
Is email free?
email is a paid product.
What are the best email alternatives?
People comparing email also look at Bot403, Cypher eSIM, Reuily, Zalcro. See all options in the Developer Tools category on SiftFox.
Work on email?
Claim this profile for free - instant with a work email at primitive.dev.
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