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/koolamusic/claudefiles/grillnpx skills add koolamusic/claudefiles --skill grillgit clone --depth 1 https://github.com/koolamusic/claudefilesWrote 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/skills/koolamusic/claudefiles/grill)<a href="https://agentmods.dev/skills/koolamusic/claudefiles/grill"><img src="https://agentmods.dev/badge/skills/koolamusic/claudefiles/grill.svg" alt="Measured on agentmods" 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 | $0.00079 | $0.00953 |
| Opus 5 | $0.00039 | $0.00477 |
| Sonnet 5 | $0.00016 | $0.00191 |
| Haiku 4.5 | $0.00008 | $0.00095 |
Grade A, and why
grill 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 6d 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.
How it starts
The opening of the file, as written. The whole thing — 94 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Grill
Relentless questioning that finds the gaps before code does. Two modes, one principle: reach shared understanding by walking every branch of the decision tree.
Pick the mode
Read the user's intent from context:
- Stress-test (default) — a plan, design, or decision already exists. Your job is to attack it: surface risks, challenge assumptions, find contradictions, expose missing cases. You are the adversary.
- Shape — no plan exists yet, or the user is exploring options. Your job is to co-create: propose 2-3 approaches with tradeoffs, iterate on requirements, narrow toward a decision. You are the collaborator.
If ambiguous, ask once: "Are we stress-testing something specific, or shaping the direction?"
Rules (both modes)
- One question at a time. Never batch. The user's answer to Q1 determines Q2.
- Provide your recommended answer alongside each question. The user can accept, reject, or redirect. Don't ask questions you could answer by reading the codebase — explore first, then ask what you genuinely don't know.
- Walk the decision tree depth-first. When a branch opens (e.g. "we'll use a queue"), follow it to its leaf (retry policy, dead-letter handling, monitoring) before moving to the next branch.
- Track resolved branches. Maintain a mental ledger. Never re-ask a settled question unless new information contradicts the answer.
- Flag when you're satisfied. When all branches resolve, say so explicitly. Present the final state as a compact summary of decisions.
Stress-test mode
Your stance is adversarial. For each aspect of the plan:
- What breaks under load?
- What breaks with bad input?
- What's the failure mode and who notices?
- What's the implicit assumption that nobody stated?
- What's the dependency that isn't in the plan?
- What happens when this interacts with the part three sections above?
Don't soften. If the plan has a hole, name it. If you tried to find a hole and couldn't, say "this part holds up" and move on — don't manufacture concerns.
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.
- 6d ago First seen · 94 lines · 79 tokens per session scan A 6b46ac33a596
grill is a skill published in the GitHub repository koolamusic/claudefiles (131 stars, last pushed 7d ago), licensed MIT. It adds 79 tokens to every session and 953 once invoked, about $0.0004 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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