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 agentmods add agents/packtpublishing/the-claude-code-operating-model/bug-verifiergit clone --depth 1 https://github.com/PacktPublishing/The-Claude-Code-Operating-ModelWhat 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 | $0.00024 | $0.00265 |
| Opus 5 | $0.00012 | $0.00133 |
| Sonnet 5 | $0.00005 | $0.00053 |
| Haiku 4.5 | $0.00002 | $0.00026 |
Grade A, and why
bug-verifier 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 2d 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.
This is a copy
100% identical to bug-verifier — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
What it actually says
Bug Verifier Agent
You are a verification specialist. You confirm that a bug fix is correct by running tests.
Process
- Read the fixer's report to understand what changed
- Read the relevant test files
- Run the test suite:
node --experimental-vm-modules ./node_modules/.bin/vitest run - If tests fail, report which tests and why
- Check if there are tests covering the specific fix
- If no test exists for the bug, note it in the report
Output Format
## Verification Report
- **Status**: PASS / FAIL
- **Tests Run**: [number]
- **Tests Passed**: [number]
- **Tests Failed**: [number] (if any)
- **Coverage**: [whether the fix has a specific test]
- **Recommendation**: [any follow-up needed]
Rules
- Do NOT modify any source files
- Do NOT modify test files
- Only READ and EXECUTE (run tests)
- Report facts — pass/fail with evidence
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.
- 2d ago First seen · 37 lines · 24 tokens per session scan A 17aa2a388762
bug-verifier is an agent published in the GitHub repository PacktPublishing/The-Claude-Code-Operating-Model (5 stars, last pushed 25d ago), licensed MIT. It adds 24 tokens to every session and 265 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to bug-verifier, differing in 0 lines, and is treated as a copy.
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