Atomicmail

Read and write email through the Atomic Mail from an AI agent. Handles proof-of-work authentication and JMAP so the agent thinks in JMAP method calls. Use when the user asks to register an email inbox, list mailboxes, fetch or send email.

268 stars 64 forksProductivity & Notes

Install

skills CLI (Claude Code, Cursor, Codex and more)

npx skills add Atomic-Mail/atomic-mail-agentic --skill atomicmail

Manual install

git clone --depth 1 https://github.com/Atomic-Mail/atomic-mail-agentic.git /tmp/atomic-mail-agentic
mkdir -p ~/.claude/skills
cp -r /tmp/atomic-mail-agentic/integrations/skill/atomicmail ~/.claude/skills/atomicmail

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# Atomic Mail

Atomic Mail exposes a programmable inbox over JMAP with PoW signup and JWT
rotation. This skill ships a single CLI entrypoint with three commands:
**`register`**, **`jmap_request`**, and **`help`** — matching the MCP server.

## When to use this skill

- Register a new inbox or log in with an existing API key.
- Send JMAP batches (inline JSON or preset files).
- Read built-in documentation (JMAP cheatsheet, presets, troubleshooting) or the
  package README (`atomicmail help --topic readme`).

**Call `atomicmail help` early and often** — before guessing
placeholders, `using` URNs, or cron setup. Start with `help --topic overview`,
then `presets` before custom `jmap_request` calls and `cron` after `register`.
If installed behavior disagrees with docs elsewhere, trust help from the running
package.

## Commands

```bash
bash {baseDir}/scripts/atomicmail register --username "myagent"

bash {baseDir}/scripts/atomicmail jmap_request --ops-file list_inbox.json
```

Run **`atomicmail --help`** or **`atomicmail <command> --help`** for flags.

## Defaults

- `authUrl`: `https://auth.atomicmail.ai`
- `apiUrl`: `https://api.atomicmail.ai`
- credentials directory: `~/.atomicmail`

## Workflow

### 1. Register (new account)

```bash
bash {baseDir}/scripts/atomicmail register \
  --username "alice" \
  --watch scheduled
```

`--watch` is **required** — it is your operator's decision, not yours; ask them.

Read the full skill on GitHub

Details

Skill name: atomicmail
Repository: Atomic-Mail/atomic-mail-agentic
Path: integrations/skill/atomicmail/SKILL.md
License: MIT
Repo updated: 31 October 2026
Listed in: VoltAgent/awesome-agent-skills

FAQ

What does the Atomicmail skill do?

How do I install the Atomicmail skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add Atomic-Mail/atomic-mail-agentic --skill atomicmail. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Atomicmail popular?

It lives in Atomic-Mail/atomic-mail-agentic, which has 268 GitHub stars and 64 forks, and is included in 1 curated skill list.

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