Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add julianobarbosa/claude-code-skills --skill atuingit clone --depth 1 https://github.com/julianobarbosa/claude-code-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/julianobarbosa/claude-code-skills/atuin)<a href="https://agentmods.dev/skills/julianobarbosa/claude-code-skills/atuin"><img src="https://agentmods.dev/badge/skills/julianobarbosa/claude-code-skills/atuin/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/julianobarbosa/claude-code-skills/atuin"><img src="https://agentmods.dev/badge/skills/julianobarbosa/claude-code-skills/atuin.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00057 | $0.03197 |
| Opus 5 | $0.00028 | $0.01598 |
| Sonnet 5 | $0.00011 | $0.00639 |
| Haiku 4.5 | $0.00006 | $0.00320 |
Grade A, and why
atuin scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 584 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Atuin Skill
Magical shell history with encrypted sync across all your machines.
Overview
Atuin replaces your shell history with a SQLite database and provides:
- Full-screen history search UI (Ctrl+R / Up arrow)
- End-to-end encrypted sync across machines
- Context logging (exit code, cwd, hostname, duration)
- Statistics and analytics
- Filter modes (session, directory, global)
- Quick navigation with Alt+number keys
Supported Shells
| Shell | Support Level |
|---|---|
| Zsh | Full |
| Bash | Full |
| Fish | Full |
| Nushell | Full |
| Xonsh | Full |
Quick Start
Installation
# Official installer (recommended)
curl --proto '=https' --tlsv1.2 -LsSf https://setup.atuin.sh | sh
# macOS (Homebrew)
brew install atuin
# Cargo
cargo install atuin
# Arch Linux
pacman -S atuin
Shell Integration
Zsh (~/.zshrc):
eval "$(atuin init zsh)"
Bash (~/.bashrc):
eval "$(atuin init bash)"
Fish (~/.config/fish/config.fish):
atuin init fish | source
Nushell (config.nu):
source ~/.local/share/atuin/init.nu
First-Time Setup
# Import existing history
atuin import auto
# Optional: Register for sync
atuin register -u <USERNAME> -e <EMAIL>
# Verify setup
atuin doctor
Search Modes
Interactive Search (Ctrl+R)
| Key | Action |
|---|---|
Ctrl+R |
Open search UI |
Up/Down |
Navigate history |
Tab |
Select without executing |
Enter |
Execute command |
Alt+1-9 |
Quick select item |
Ctrl+R (in UI) |
Cycle filter modes |
Filter Modes
| Mode | Description |
|---|---|
global |
All history across machines |
host |
Current machine only |
session |
Current terminal session |
directory |
Current working directory |
workspace |
Git repository root |
Search Modes
| Mode | Description |
|---|---|
prefix |
Match from start of command |
fulltext |
Substring match anywhere |
fuzzy |
Fuzzy matching (default) |
skim |
Skim-style fuzzy finder |
What ships with it
7 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 10d ago First seen · 584 lines · 57 tokens per session scan E 9379ec2828de
atuin is a skill published in the GitHub repository julianobarbosa/claude-code-skills (10 stars, last pushed 14d ago), licensed MIT. It adds 57 tokens to every session and 3,197 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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