grill

grill is a skill for Claude Code, Codex from control-decks/think-it-through. It costs 53 tokens per session (431 once invoked), scanned A, original, MIT.

A question-by-question challenge for testing a proposal, assumption, decision, design, or plan until its unresolved branches are examined.

In plain words
What is it for?
Use it when you explicitly want a demanding review of a plan or design, with one question and recommendation at a time.
Why use it?
It exposes weak assumptions and separates known facts from guesses or unanswered claims before a decision is made.

Skill for Claude CodeCodex

Part of the think-it-through plugin — 17 skills shipped together

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/control-decks/think-it-through/grill
Any agent
npx skills add control-decks/think-it-through --skill grill
Clone the repo
git clone --depth 1 https://github.com/control-decks/think-it-through

Made for: Claude Code, Codex.

Or install think-it-through, the plugin that ships this one along with the rest of its 17 skills.

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 grill

README.md
[![agentmods](https://agentmods.dev/badge/skills/control-decks/think-it-through/grill.svg)](https://agentmods.dev/skills/control-decks/think-it-through/grill)
Your own site
<a href="https://agentmods.dev/skills/control-decks/think-it-through/grill"><img src="https://agentmods.dev/badge/skills/control-decks/think-it-through/grill.svg" alt="Measured on agentmods" height="20"></a>
Per session 53 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 431 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 $0.00053 $0.00431
Opus 5 $0.00026 $0.00216
Sonnet 5 $0.00011 $0.00086
Haiku 4.5 $0.00005 $0.00043

Measured 5d ago against content hash aa5c52aa60fb, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

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 5d 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.

plugins/think-it-through/skills/grill/SKILL.md · 48 lines

What it actually says

🔥 Think Grill

ID: think-it-through/grill
HACP: 0.4
Kind: operation
Mode: transform
Traits: read-only, semantic, multi-exchange
Default Binding: Current proposal, assumption, decision, design, or plan
Accepts: hacp/content, hacp/result
Requires: hacp/testable-object
Produces: think-it-through/verdict
Duration: until-complete

Effect: Walk the bound object's decision tree, resolve discoverable facts, then test one unresolved branch at a time with a recommendation and demanding question.

Limits: Keep the selected Binding until verdict, stop, or redirection. Separate fact, inference, and unresolved claim. Do not decide for the human or ask for information available from sources you can inspect.

Flow

flowchart TD
    A["Selected Binding"] --> B["Map decisions and dependencies"]
    B --> C["Search available sources"]
    C --> D["Choose weakest unresolved branch"]
    D --> E["Give recommended answer"]
    E --> F["Ask one demanding question"]
    F --> G["Integrate the answer"]
    G --> H{"Terminal result?"}
    H -->|No| D
    H -->|Yes| I["State verdict and remaining risks"]

Format

At launch, show the full trace: > 🎯 **<binding>** → 🔥 **GRILL**. On later turns, show > 🔥 **GRILL** · <binding>.

Show Recommendation, then Question. At completion, show Verdict and any remaining risks.

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 5d ago First seen · 48 lines · 53 tokens per session scan A aa5c52aa60fb

Subscribe to this mod's changes

grill is a skill published in the GitHub repository control-decks/think-it-through (3 stars, last pushed 1mo ago), licensed MIT. It adds 53 tokens to every session and 431 once invoked, about $0.0003 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 2026-08-31.

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