Atomic Mail
Email API that gives AI agents their own inboxes, built on JMAP with MCP and agent skill support.
Updated
✨ Try AgentScout's free AI image generator →Good for: writing and managing email, connecting tools with MCP
Use cases
About Atomic Mail
Atomic Mail is listed in our agent infra category and is aimed at builders. Email API that gives AI agents their own inboxes, built on JMAP with MCP and agent skill support. Pricing, as the maker states it: Free during open alpha (paid product planned). Maturity: Active. We last checked the official link on 2026-10-18.
Atomic Mail at a glance
- Category: Agent infra
- Built for: Developers and teams building with AI agents
- Pricing: Free during open alpha (paid product planned) (as the maker states it)
- GitHub: Atomic-Mail/atomic-mail-agentic · 266 stars (as of Oct 21, 2026)
- Latest release: v0.3.31, Sep 27, 2026
- Last commit: Sep 27, 2026
- Official site: atomicmail.ai
- Listed on AgentScout: Oct 18, 2026
Atomic Mail FAQ
What is Atomic Mail?
Email API that gives AI agents their own inboxes, built on JMAP with MCP and agent skill support.
How much does Atomic Mail cost?
Atomic Mail's pricing, as the maker states it: Free during open alpha (paid product planned). Check the official site for current plans.
Where can I find Atomic Mail's source code?
On GitHub at Atomic-Mail/atomic-mail-agentic, which had 266 stars as of Oct 21, 2026. The latest release is v0.3.31 (Sep 27, 2026).
What are alternatives to Atomic Mail?
Similar tools include Sentio, Recall.ai, Vectoree, Tyk Gateway, LiteLLM Agent Platform and XCrawl.
Facts from our link-checked listing, the GitHub repository and the official site. See something wrong? Suggest an edit.
Atomic Mail ratings and reviews
Be the first to rate Atomic Mail: tap 1 to 5 stars below. A written review is optional.
Atomic Mail alternatives
Other agent infra tools in our directory. See all agent infra tools →
Sentio
Sentio, from Truespar, is a self-hosted email inbox API for AI agents: a Rust SMTP server that gives each agent a real address, delivers inbound mail as authenticated webhooks and lets agents reply in-thread over REST, with multi-tenant isolation.
Recall.ai
API for meeting bots that join Zoom, Meet and Teams to record and transcribe.
Vectoree
Vectoree gives coding agents a backend behind one project key: an OpenAI-compatible model gateway across providers, an MCP tool hub, auth, Postgres and storage, driven by a skill and CLI, pay-as-you-go with no monthly fee.
Tyk Gateway
Cloud-native API and AI gateway supporting REST, GraphQL, gRPC and MCP, with rate limiting, auth and analytics.
LiteLLM Agent Platform
A control plane from the LiteLLM team that gives one API and gateway for calling many agents, such as OpenCode, Claude Managed Agents, Cursor Agents and Deep Agents.
XCrawl
XCrawl is a web scraping, crawling and SERP API that returns clean JSON, Markdown or screenshots in one request, with agent skills for plugging it into AI agents; free trial with no card.
Badge for makers
Built Atomic Mail? Add this badge to your README or site. It links back to this page. About badges
