# Age

> age file encryption reference — the modern, simple alternative to GPG. Covers key generation, X25519 encryption, SSH key support, passphrase mode, pipe patterns, SOPS integration, YubiKey plugins, and security considerations. By Filippo Valsorda.

- Skill: `aibot88/age` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add aibot88/age`
- Raw SKILL.md: https://api.skillmd.com/api/skills/aibot88/age/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Security
- Author: aibot88 (https://skillmd.com/u/aibot88)
- Updated: 2026-08-19
- Page: https://skillmd.com/skills/aibot88/age

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# age Encryption Reference

Simple, modern file encryption with age.

## Commands

| Command | Description |
|---------|-------------|
| `intro` | Overview, philosophy, GPG comparison |
| `keygen` | Key generation, SSH keys, management |
| `encrypt` | Encryption operations and pipe patterns |
| `decrypt` | Decryption and error handling |
| `recipes` | Backups, git, team sharing, SOPS |
| `plugins` | YubiKey, TPM, rage, passage ecosystem |
| `security` | Threat model and security limits |