verify

verify is a skill for Claude Code, Codex from perminder-klair/subwave. It costs 45 tokens per session (462 once invoked), scanned A, original, MIT.

A testing workflow for controller and administration-interface changes using separate development servers, temporary state, and Playwright browser tests. Playwright is a tool for automating browser checks.

In plain words
What is it for?
Use it to start an isolated controller and web interface, test API endpoints with curl, run browser tests against the administration interface, and check load-time settings migrations.
Why use it?
It prevents tests from changing the live station and avoids setup problems that can redirect the administration interface to onboarding instead of the page being tested.

Skill for Claude CodeCodex

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 skills/perminder-klair/subwave/verify
Any agent
npx skills add perminder-klair/subwave --skill verify
Clone the repo
git clone --depth 1 https://github.com/perminder-klair/subwave

Made for: Claude Code, Codex.

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 verify

README.md
[![agentmods](https://agentmods.dev/badge/skills/perminder-klair/subwave/verify.svg)](https://agentmods.dev/skills/perminder-klair/subwave/verify)
Your own site
<a href="https://agentmods.dev/skills/perminder-klair/subwave/verify"><img src="https://agentmods.dev/badge/skills/perminder-klair/subwave/verify.svg" alt="Measured on agentmods" height="20"></a>
Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 462 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00045 $0.00462
Opus 5 $0.00023 $0.00231
Sonnet 5 $0.00009 $0.00092
Haiku 4.5 $0.00005 $0.00046

Measured 4d ago against content hash 7d18ebc94bc1, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

verify scanned grade A with 1 finding 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 4d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- Drive `/settings` etc. with `curl -u test:test http://localhost:7791/...`.
.claude/skills/verify/SKILL.md · 41 lines

What it actually says

Verifying controller + admin-UI changes in isolation

The operator's real station is usually running (docker sub-wave-* containers). Never restart or point tests at it. Boot your own stack from the worktree instead:

Isolated controller (API surface)

cd <worktree>/controller
STATE_DIR=$CLAUDE_JOB_DIR/tmp/state PORT=7791 ADMIN_USER=test ADMIN_PASS=test \
  NODE_ENV=development \
  NAVIDROME_URL=http://localhost:9999 NAVIDROME_USER=x NAVIDROME_PASS=x \
  npx tsx src/server.ts
  • A fresh STATE_DIR boots clean (seeds sfx/jingles, writes settings.json on first save).
  • The fake NAVIDROME_* env matters: without it needsSetup is true and the admin shell redirects every page to /onboarding, so UI tests never find their controls.
  • Drive /settings etc. with curl -u test:test http://localhost:7791/....
  • To test load-time migrations: stop the server, hand-edit settings.json, restart, GET.
  • Kill by port (fuser -k 7791/tcp) — a pkill -f "tsx src/server.ts" matches the Bash tool's own wrapper cmdline and kills your shell (exit 144).

Worktree web dev server (UI surface)

cd <worktree>/web
NEXT_PUBLIC_API_URL=http://localhost:7791 npm run dev -- -p 7793

Then Playwright (headless chromium, sync API):

  • Pre-seed auth before load: ctx.add_init_script("localStorage.setItem('subwave_admin_auth', '<base64 user:pass>')").
  • Assert state through the controller API after clicking Save, not through sonner toasts.
  • Admin modals portal into .admin-root; scope input lookups with [role="dialog"].
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. 4d ago First seen · 41 lines · 45 tokens per session scan A 7d18ebc94bc1

Subscribe to this mod's changes

verify is a skill published in the GitHub repository perminder-klair/subwave (1,298 stars, last pushed today), licensed MIT. It adds 45 tokens to every session and 462 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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