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/thaitype/chief/chief-rulenpx skills add thaitype/chief --skill chief-rulegit clone --depth 1 https://github.com/thaitype/chiefWrote 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/thaitype/chief/chief-rule)<a href="https://agentmods.dev/skills/thaitype/chief/chief-rule"><img src="https://agentmods.dev/badge/skills/thaitype/chief/chief-rule.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 | $0.00094 | $0.01703 |
| Opus 5 | $0.00047 | $0.00851 |
| Sonnet 5 | $0.00019 | $0.00341 |
| Haiku 4.5 | $0.00009 | $0.00170 |
Grade A, and why
chief-rule 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.
How it starts
The opening of the file, as written. The whole thing — 139 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are helping the user capture a single rule into .chief/_rules/. This is the proactive counterpart to /chief-retro — use it whenever the user has a rule in mind and wants to write it down now.
One invocation = one rule (path 2) or scaffolding only (path 1). Re-run for more.
Steps
1. Pre-flight
Just inspect — do NOT create anything yet. Note for later use:
- whether
.chief/exists - whether
.chief/_rules/exists - whether
.chief/_rules/README.mdexists
Scaffolding (creating .chief/, .chief/_rules/, the README) happens at the END of the chosen path, not now. If the user bails out, we leave the filesystem untouched.
2. Pre-interview fork
Ask the user, with exactly two options:
Pick one:
- Scaffold
.chief/_rules/only (I'll write rules manually later, or use/chief-retroafter work)- Interview me — write a rule now
If 1 → run the scaffold routine below, then stop. If 2 → continue to step 3. (Scaffolding happens later, in step 7, alongside the rule write.)
Scaffold routine (used by path 1, and by path 7 when _rules/ is missing)
-
Create
.chief/if missing. -
Create
.chief/_rules/if missing. -
Write
.chief/_rules/README.mdif missing, with this content:# .chief/_rules/ Global rules that govern this project's autonomous AI work. Lower priority than `AGENTS.md`, higher than milestone goals. ## Categories - `_standard/` — Coding standards, architecture constraints - `_contract/` — Data models, API contracts, schemas - `_goal/` — High-level goals (shared across milestones) - `_verification/` — Test commands, build requirements, definition of done Subfolders are created **lazily** — on first rule in that category. Empty subfolders are not required. Use `/chief-rule` to add rules proactively, or `/chief-retro` to capture them after a milestone retrospective. -
Do NOT create the four category subfolders. They remain lazy until the first rule lands in each.
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.
- 5d ago First seen · 139 lines · 94 tokens per session scan A 686b0f7a94fb
chief-rule is a skill published in the GitHub repository thaitype/chief (59 stars, last pushed today), licensed MIT. It adds 94 tokens to every session and 1,703 once invoked, about $0.0005 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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