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 skills add control-decks/think-it-through --skill to-plangit clone --depth 1 https://github.com/control-decks/think-it-throughWrote 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/control-decks/think-it-through/to-plan)<a href="https://agentmods.dev/skills/control-decks/think-it-through/to-plan"><img src="https://agentmods.dev/badge/skills/control-decks/think-it-through/to-plan.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 | $0.00050 | $0.00510 |
| Opus 5 | $0.00025 | $0.00255 |
| Sonnet 5 | $0.00010 | $0.00102 |
| Haiku 4.5 | $0.00005 | $0.00051 |
Grade A, and why
to-plan 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 8d 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
📋 Think To Plan
ID: think-it-through/to-plan
HACP: 0.4
Kind: operation
Mode: artifact
Traits: read-only, artifact
Default Binding: Current executable direction
Accepts: hacp/content, hacp/result
Requires: hacp/executable-direction, hacp/user-accepted-or-provisional
Produces: think-it-through/execution-plan
Duration: until-confirmed
Effect: Recover constraints, success criteria, and applicable conventions, then produce an ordered, verifiable Execution Plan on the native planning surface when available.
Limits: Keep traces and deck vocabulary outside the plan unless they are the subject or requested. Ask once when no executable direction exists. Do not fabricate details, treat the plan as approval, execute, save without an approved destination, or overwrite without permission.
Flow
flowchart TD
A["Accepted or provisional direction"] --> B{"Executable?"}
B -->|No| C["Ask one focused question"]
B -->|Yes| D["Recover constraints, criteria, and conventions"]
D --> E["Use native plan surface or inline plan"]
E --> F["Build ordered, verifiable plan"]
F --> G["Wait for user validation"]
G --> H{"Approved destination?"}
H -->|No| I["Keep plan unsaved"]
H -->|Yes| J["Save without executing"]
State whether the source direction is accepted or provisional.
Format
Add → 📋 **PLAN** after the final move in the combo trace, or begin with > 🎯 **<binding>** → 📋 **PLAN** when used alone. Add presentation cards with +.
Before any plan content, emit the one complete combo trace. Keep it in the conversational envelope, outside the plan, including when a native planning surface is available. Show status while awaiting direction, validation, destination, or overwrite permission. A plan never authorizes execution.
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.
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.
- 8d ago First seen · 54 lines · 50 tokens per session scan A a579739ee0db
to-plan is a skill published in the GitHub repository control-decks/think-it-through (3 stars, last pushed 1mo ago), licensed MIT. It adds 50 tokens to every session and 510 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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