What is atomicmail?
atomicmail is a Claude skill by Atomic-Mail that agent registers its own inbox, then sends and reads mail. It is listed under Marketing & growth and has 266 GitHub stars.
| Type | Claude skill |
|---|---|
| Author | Atomic-Mail |
| Repository | Atomic-Mail/atomic-mail-agentic |
| Popularity | 266 GitHub stars |
| Category | Marketing & growth |
| Security | Low risk (88/100) |
| Rank | #823 of 1,262 Claude skills; #69 in Marketing & growth |
| SKILL.md length | 252 lines |
| License | MIT |
| Last commit | 2026-09-27 |
| Stars this week | +1 |
Is atomicmail safe to install?
atomicmail scores 88/100 on the MCPMods security check: Low risk. No checks raised a concern. It passed 6 of 9 checks.
Skill results come from a static scan of its SKILL.md for instruction overrides, hidden actions, risky commands and credential access.
| Check | Result |
|---|---|
| No instruction-override phrases | Pass |
| No hidden actions | Pass |
| No pipe-to-shell installers | Pass |
| No obfuscated code | Pass |
| No destructive commands | Pass |
| Reads keys or credentials | Note |
| Makes network requests | Note |
| Runs shell commands | Note |
| Installs no packages | Pass |
What the scan matched
- credentials:
credentials - network:
https:// - shell:
```bash
How do I install atomicmail?
- Install with the skills CLI. Works for Claude Code and other agents that read skills.
npx skills add https://github.com/Atomic-Mail/atomic-mail-agentic --skill atomicmail
- Or copy it by hand. Claude Code loads any folder with a SKILL.md from ~/.claude/skills.
git clone https://github.com/Atomic-Mail/atomic-mail-agentic cp -r atomic-mail-agentic/integrations/skill/atomicmail ~/.claude/skills/atomicmail
- Use it. Claude loads the skill when a task matches its description. You can also name it in your prompt.
Use the atomicmail skill to …
Or ask Claude to set it up
Paste this into Claude Code and it installs atomicmail for you:
Install the "atomicmail" skill from https://github.com/Atomic-Mail/atomic-mail-agentic/tree/main/integrations/skill/atomicmail into ~/.claude/skills, then tell me in one line what it does.