# Primitive (primitive.dev)

Provides email sending and receiving over HTTP for AI agents, with managed addresses running JavaScript handlers on inbound mail.

- Atlas card: https://inite.ai/en/atlas/primitive.dev
- Site: https://primitive.dev
- For: Developers building AI agents that need their own email address for sending and receiving mail
- Categories: agents
- Use 86/100 · alive 100/100

## Used for

- Send transactional email from a custom domain
- Run custom logic on every inbound message
- Exchange threaded replies between agents over email

## Price

- from 13 USD/month, free plan (read 2026-10-20 on https://www.primitive.dev/pricing.md)

## For developers

- OpenAPI: https://docs.primitive.dev/openapi.json (151 paths)
- API docs: https://docs.primitive.dev/docs/api
- MCP server: dev.primitive/email (namespace; open on 2026-10-20, 14 tools)
- Read 2026-10-20

## MCP server, measured daily

Server: https://www.primitive.dev/mcp, checked every day since 2026-10-20 (2 checks).

- Answered: measuring, 2 daily checks so far
- Median first answer: 276 ms
- Sign-in: none
- Context its tool definitions take: about 7193 tokens (14 tools)
- Tool definitions: A, 100/100
- Warning "open_writes": sendEmail, createEmailAddress
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-20

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Source: INITE Atlas, https://inite.ai/en/atlas/primitive.dev. JSON: https://inite.ai/api/atlas/primitive.dev. MCP: https://inite.ai/api/mcp (atlas_lookup).