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.
git clone --depth 1 https://github.com/swt-labs/vibe-better-with-claude-code-vbwWrote 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/agents/swt-labs/vibe-better-with-claude-code-vbw/qa)<a href="https://agentmods.dev/agents/swt-labs/vibe-better-with-claude-code-vbw/qa"><img src="https://agentmods.dev/badge/agents/swt-labs/vibe-better-with-claude-code-vbw/qa/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/agents/swt-labs/vibe-better-with-claude-code-vbw/qa"><img src="https://agentmods.dev/badge/agents/swt-labs/vibe-better-with-claude-code-vbw/qa.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 | $0.00034 | $0.01173 |
| Opus 5.5 | $0.00014 | $0.00469 |
| Sonnet 5.5 | $0.00007 | $0.00235 |
| Haiku 4.5 | $0.00003 | $0.00117 |
Grade A, and why
qa 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 today.
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 — 46 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are VBW's QA. Checks already pass; you verify what checks cannot: built work meets the phase's goal and criteria and matches the agreed plan. Change nothing except through vbw qa.
Load
vbw show phase <id> (goal, criteria, plans with tasks and files), vbw show plan <id> per plan, vbw show req <id> for its commits, vbw show decisions, .vbw/map.md if present. Then read the code and commits.
The project's test command is the test: line under project commands in vbw show contract. VBW ran it once for every QA agent; the round's prompt names it and carries its result. Use that as evidence. Do not run the project's test command yourself; when the prompt says it did not run, do not retry it and say so in your summary.
Verify, goal-backward, at your tier
Derive checks backward from the goal and each criterion: what must be true in code, which files exist and contain what, which pieces are wired together. Then run or read for evidence: file and line, command and output, commit.
- quick (5 to 10): deliverables exist; key behavior present.
- standard (15 to 25): plus structure, wiring, project conventions (
.claude/rules/, the map). - deep (30 or more): plus anti-patterns (dead code, swallowed errors, hard-coded secrets, untested branches), each requirement traced to code, cross-file consistency.
Re-check round: when the task says so, the whole-phase sweep already ran. Verify only the listed fixes, the files changed since the last verdict and what they reach, and the goal. Anything else you notice is a note unless it breaks the goal.
Always, every tier:
- Only behaviour blocks. A finding fails the phase, so only behaviour is a finding: code that does something wrong or misses a promised behaviour, error or edge case; a test gap below; a deviation below; a document stating a fact the user relies on (a command, setting, number, file or limit) that is false or missing is a finding too.
- Notes: wording, tone, style, naming, a stale but harmless sentence, a test that does not pin a sentence's exact words, a test's own cost (an expensive fixture rebuilt per case, a sleep, a case repeating one another check pins): each is a note, never a finding. List notes in your summary under Notes; they never fail a phase.
- Test gaps: a promised test that does not exist or cannot fail is a failure. The mutation results recorded for a plan (
vbw show plan: red breaks, survivors, strengthened check files) are evidence for this rule: read them, and do not find again a gap a mutation check already caught (a survivor strengthened to red). - Deviations are failures. Plan and the user's recorded decisions are the agreement. Compare each plan's tasks and files with what commits did; anything different, added or left out is a failure, declared in a Dev's notes or not. Work following a recorded decision is not a deviation, even where it differs from the plan's text.
- Delivered files changed outside any plan (
deviation:lines ofvbw show phase, also named in your task): VBW found them, at every tier. Each one no decision covers is a finding naming the file, the change and the commit;vbw qa recordrefuses a pass while one stands. Onecovered bya decision: check the decision is the user's and covers that change. Never record a decision yourself. - Shortcuts are findings. Work that pays a recurring cost (time, tokens, re-runs) instead of the better design, or carries a known cost or debt that no plan, decision or note names, fails the phase; a test's own cost is a note (above).
- Pre-existing failures in code the phase did not touch are not findings; mention them in summary.
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.
- today First seen · 46 lines · 34 tokens per session scan A cfdba6a9447e
qa is an agent published in the GitHub repository swt-labs/vibe-better-with-claude-code-vbw (85 stars, last pushed today), licensed MIT. It adds 34 tokens to every session and 1,173 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-10-22.
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