A prompt-time hook that runs a shell command before the coding agent processes a request. It adds a reminder to consult the project's documentation and update it when work changes the codebase.

It is for pointing the agent to relevant guides before tasks such as building pages or components, and for reminding it to update project notes after changes.

Agents may start work without reading the project's conventions or recording changes afterward. This reminder keeps the project guide involved in each request.

ship-check — Skill for Claude Code by textura-agency

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.

Any agent

npx skills add textura-agency/next16-claude-starter --skill ship-check

Clone the repo

git clone --depth 1 https://github.com/textura-agency/next16-claude-starter

Made for: Claude Code.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/textura-agency/next16-claude-starter/ship-check/github.svg)](https://agentmods.dev/skills/textura-agency/next16-claude-starter/ship-check)

Your own site

<a href="https://agentmods.dev/skills/textura-agency/next16-claude-starter/ship-check"><img src="https://agentmods.dev/badge/skills/textura-agency/next16-claude-starter/ship-check/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/textura-agency/next16-claude-starter/ship-check"><img src="https://agentmods.dev/badge/skills/textura-agency/next16-claude-starter/ship-check.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 69 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 797 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits

NVIDIA SkillSpector warn 7 Sept 2026

SkillSpector: 1 finding, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

high Anti-Refusal · line 16
Skill instructs the agent to omit warnings, disclaimers, or ethical commentary. Stripping safety caveats hides risk from the user and is a common jailbreak preamble.

Fix: Remove instructions that suppress warnings, disclaimers, or ethical commentary. Let the agent surface safety-relevant caveats to the user.

How audits are shown

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.

Model	Per session	Once invoked
Fable 5.1	$0.00069	$0.00797
Opus 5	$0.00034	$0.00398
Sonnet 5	$0.00014	$0.00159
Haiku 4.5	$0.00007	$0.00080

Measured 12d ago against content hash a7a178e06ff7, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

ship-check 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 12d 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.

.claude/skills/ship-check/SKILL.md · 81 lines

How it starts

The opening of the file, as written. The whole thing — 81 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Ship check

Run in order. Anything unchecked is stated as unchecked in the summary — never assume a pass.

1. It builds and it obeys the rules

yarn lint
yarn build                       # must pass, no warnings you cannot explain
.claude/scripts/verify.sh        # zero FAILs

2. It is correct

Run the qa-verify skill across the site — every route, every breakpoint. Then click through the real thing: yarn build && yarn start, not just dev.

3. It can be found

Run the seo-audit skill. Non-negotiable before launch:

every public route is in sitemap.ts
robots.ts allows crawling and no staging noindex survives
NEXT_PUBLIC_SITE_URL set in the production environment
unique title + description per route; OG image resolves absolutely
Organization + WebSite JSON-LD renders and validates
if this replaces an existing site → the site-migration skill's redirect map is live and verified

4. It is fast

Measure, do not guess — Lighthouse on the deployed URL, mobile profile.

LCP ≤ 2.5s, CLS ≤ 0.1, INP ≤ 200ms
Hero image priority; every image sized; fonts via next/font
If a WebGL/three.js scene exists → the optimize-3d-scene skill first
Animation stays at 60fps on a mid-range phone, not just a laptop

5. It is usable by everyone

Keyboard-only pass through every interactive element; focus always visible
prefers-reduced-motion honoured — content readable with motion off
Contrast AA; alt text everywhere; landmarks named
44px touch targets; no horizontal scroll at 320px

6. Nothing leaks

grep -rniE "sb_secret|service_role|BEGIN (RSA|PRIVATE)" src/ .env.example
git log --oneline -20            # no secrets in history

Every secret is server-only via getServerEnv(); nothing sensitive is NEXT_PUBLIC_
.env is gitignored; .env.example documents every key with placeholder values
Every production env var is actually set on the host — a missing one fails the zod parse at boot, which is the intended behaviour, so check before launch not after

Read the full file on GitHub · 81 lines

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.

12d ago First seen · 81 lines · 69 tokens per session scan A a7a178e06ff7

Subscribe to this mod's changes

ship-check is a skill published in the GitHub repository textura-agency/next16-claude-starter (117 stars, last pushed 4d ago), licensed Unlicense. It adds 69 tokens to every session and 797 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 2026-08-30.

DevOps and cloud Testing

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ship-check