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 skills/danielvm-git/bigpowers/diagnose-rootnpx skills add danielvm-git/bigpowers --skill diagnose-rootgit clone --depth 1 https://github.com/danielvm-git/bigpowersWhat 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 | $0.00046 | $0.00302 |
| Opus 5 | $0.00023 | $0.00151 |
| Sonnet 5 | $0.00009 | $0.00060 |
| Haiku 4.5 | $0.00005 | $0.00030 |
Grade A, and why
diagnose-root scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
Diagnose Root
Boundary: Canonical, reusable 4-phase RCA engine. Invoked by investigate-bug (as step 2 of the end-to-end flow) and by fix-bug (when no bug file exists). Does not write the bug file — that is investigate-bug's responsibility.
Four phases — do not skip. Update the active specs/bugs/BUG-*.md file at each phase.
Phases
- Reproduce — minimal steps; record environment; capture logs.
- Isolate — narrow to module/function; binary-search commits or config.
- Hypothesize — list ranked hypotheses with falsification test each.
- Verify — run falsification; confirm single root cause; link to fix plan.
HARD GATE — Do not propose a fix until phase 4 confirms one root cause with evidence.
Verify
→ verify: [ "$(grep -lE 'Reproduce' specs/bugs/BUG-*.md 2>/dev/null | grep -cv "\.okf\.md$")" -ge 1 ]
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 · 25 lines · 46 tokens per session scan A 15d7839d2f64
diagnose-root is a skill published in the GitHub repository danielvm-git/bigpowers (156 stars, last pushed 25d ago), licensed MIT. It adds 46 tokens to every session and 302 once invoked, about $0.0002 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.
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Compress an artifact that has accreted into bloat — padding, over-qualification, fused sentences, walls of enumeration, adjacent restatement — down to its load-bearing density, meaning preserved. Use when prose is correct and current but has grown verbose or patched-over and you want it tight without a full rewrite.
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bmad-validate-prd
Validate a PRD against standards. Use when the user says "validate this PRD" or "run PRD validation".