nano-update

nano-update is a command for Claude Code from garagon/nanostack. It costs 8 tokens per session (95 once invoked), scanned A, original, Apache-2.0.

A command that updates the nanostack toolkit to its newest version. Nanostack is a set of tools for coding-agent workflows.

In plain words
What is it for?
Use it when you want to upgrade nanostack and see which changes were brought in.
Why use it?
It removes the need to find the upgrade script, run it manually, and check whether setup must be repeated.

Command for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: reads .claude/ paths.

Part of the nanostack plugin — 18 skills, 1 command shipped together

Install

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.

agentmods
npx agentmods add commands/garagon/nanostack/nano-update
Clone the repo
git clone --depth 1 https://github.com/garagon/nanostack

Made for: Claude Code.

Or install nanostack, the plugin that ships this one along with the rest of its 18 skills, 1 command.

Wrote 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.

agentmods badge for nano-update

README.md
[![agentmods](https://agentmods.dev/badge/commands/garagon/nanostack/nano-update.svg)](https://agentmods.dev/commands/garagon/nanostack/nano-update)
Your own site
<a href="https://agentmods.dev/commands/garagon/nanostack/nano-update"><img src="https://agentmods.dev/badge/commands/garagon/nanostack/nano-update.svg" alt="Measured on agentmods" height="20"></a>
Per session 8 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 95 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00008 $0.00095
Opus 5 $0.00004 $0.00048
Sonnet 5 $0.00002 $0.00019
Haiku 4.5 $0.00001 $0.00010

Measured 6d ago against content hash 312fa1eff051, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

nano-update 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 6d 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.

commands/nano-update.md · 15 lines

What it actually says

Run the nanostack upgrade script:

~/.claude/skills/nanostack/bin/upgrade.sh

If the upgrade pulls new commits, report what changed. If setup needs to re-run, it will do so automatically.

Do NOT initialize a git repository if one does not exist. The upgrade script handles both git clone and npx installations automatically.

Changes

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.

  1. 6d ago First seen · 15 lines · 8 tokens per session scan A 312fa1eff051

Subscribe to this mod's changes

nano-update is a command published in the GitHub repository garagon/nanostack (204 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 8 tokens to every session and 95 once invoked, about $0.0000 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 2026-08-30.

Related

Other commands, from other repositories