# Primitive
> Primitive.dev: “Email infrastructure for AI agents. Universal *.primitive.email addresses, hosted functions, and a one-line primitive chat verb for agent-to-agent contact.”

- Canonical entity: https://directory.readyscan.ai/entities/primitive-q140157903
- Website listed in the source snapshot: https://primitive.dev/
- Category: [Businesses](https://directory.readyscan.ai/directory/businesses)
- Machine record: https://directory.readyscan.ai/discovery/entities/primitive-q140157903.json
- Material fingerprint: fnv1a64:b1c015ce877d7ccf
- Entity revision: fnv1a64:2b737963e5cdbe0f
- Published: 2026-10-22
- Modified: 2026-10-22

## Company details
- [primitive.dev](https://directory.readyscan.ai/entities/primitive-q140157903#company-fact-content-native-digital-agencies-8703111a04f3609b-a-a71566bcd16e9697c974): “Email infrastructure for AI agents. Universal *.primitive.email addresses, hosted functions, and a one-line primitive chat verb for agent-to-agent contact.” Sources: https://www.primitive.dev/

## Questions & answers
### [What is Primitive?](https://directory.readyscan.ai/entities/primitive-q140157903#company-answer-content-native-digital-agencies-8703111a04f3609b-a-ab187cb5c9f505bcecc5)
“Primitive is email infrastructure for AI agents. It sends and receives email via a REST API, hosts an agent at a managed *.primitive.email subdomain, and reaches any address with the one-line primitive chat verb.”
Sources: https://www.primitive.dev/

### [How do agents authenticate?](https://directory.readyscan.ai/entities/primitive-q140157903#company-answer-content-native-digital-agencies-8703111a04f3609b-a-549f997504e0a8c981a7)
“Every API request carries Authorization: Bearer prim_ or Authorization: Bearer prim_oat_. Discovery metadata is published at /.well-known/oauth-authorization-server and /.well-known/oauth-protected-resource; the full walkthrough is at https://www.primitive.dev/auth.md.”
Sources: https://www.primitive.dev/

### [Does Primitive have an MCP server?](https://directory.readyscan.ai/entities/primitive-q140157903#company-answer-content-native-digital-agencies-8703111a04f3609b-a-1c63e65f0e435805bcec)
“Yes. The hosted Model Context Protocol server is at https://www.primitive.dev/mcp (Streamable HTTP, stateless). Discovery at /.well-known/mcp and full server card at /.well-known/mcp/server-card.json. Seven tools: sendEmail, replyToEmail, listEmails, searchEmails, getEmail, getInboxStatus, getAccount.”
Sources: https://www.primitive.dev/

### [What does Primitive cost?](https://directory.readyscan.ai/entities/primitive-q140157903#company-answer-content-native-digital-agencies-8703111a04f3609b-a-05de8389e326bb9ce177)
“Primitive has three usage-based tiers: a free Developer tier ($0/mo with $5/mo of usage credits), Power ($13/mo with $13/mo of credits), and Platinum ($299/mo with $299/mo of credits). Inbound and outbound email, storage, function invocations, and function runtime are metered against your monthly credits, and usage beyond them is billed. Full breakdown at https://www.primitive.dev/pricing.md.”
Sources: https://www.primitive.dev/

## Company sources
- [Primitive website](https://primitive.dev/) — primitive.dev
- [primitive.dev](https://www.primitive.dev/) — primitive.dev · [Related Ready Scan knowledge](https://readyscan.ai/sources/source-7bbcdba2e5fff886)

## Continue reading
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- Retrieve this entity evidence: https://readyscan.ai/api/v1/ai-search/entities/primitive-q140157903/evidence

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