ccc-doc-sync

A documentation synchronizer that takes counts and version numbers from `contract.json` and `package.json` and updates matching references in project documentation.

In plain words
What is it for?
Keeping plugin, agent, and hook counts correct across many documentation files, and checking for outdated values before changes are merged.
Why use it?
It prevents documentation from becoming inconsistent with the code. Its check mode can find outdated references during continuous integration (automated build and test checks).

Skill for Claude CodeCodex

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/kevinzai/commander/ccc-doc-sync
Any agent
npx skills add KevinZai/commander --skill ccc-doc-sync
Clone the repo
git clone --depth 1 https://github.com/KevinZai/commander

Made for: Claude Code, Codex.

Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 910 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 $0.00028 $0.00910
Opus 5 $0.00014 $0.00455
Sonnet 5 $0.00006 $0.00182
Haiku 4.5 $0.00003 $0.00091

Measured 2d ago against content hash f731620e317e, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

ccc-doc-sync 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.

The scan reads SKILL.md. This mod also ships 1 executable file (sync.js), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

commander/cowork-plugin-codex/skills/ccc-doc-sync/SKILL.md · 106 lines

How it starts

The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.

$ccc-doc-sync — Doc Count Synchronizer

Keeps every count reference (plugin_skills, specialist_agents, hook_handlers) and version string in sync across the entire project. One source of truth — never manually edit numbers in docs again.

What it does

Reads two canonical sources:

  • commander/contract.jsonplugin_skills, specialist_agents, hook_handlers
  • package.jsonversion

Then applies surgical regex replacements across 20+ doc files, updating every occurrence of stale counts. Idempotent — running twice produces the same output.

How it works

  1. Load values from contract.json + package.json
  2. Read patterns.json — declarative per-file replacement rules
  3. For each file: apply all patterns, compare before/after
  4. --check: report drift, exit 1 if any file is stale (CI gate)
  5. --apply: write changes, exit 0

The pattern engine uses ${plugin_skills}, ${specialist_agents}, ${hook_handlers}, ${version} template vars. Adding support for a new file is a JSON edit in patterns.json — no code change.

Files covered

Category Files
Root docs README.md, BIBLE.md, CHEATSHEET.md, SKILLS-INDEX.md, CLAUDE.md
Plugin manifest commander/cowork-plugin/.claude-plugin/plugin.json, CONNECTORS.md
Mintlify docs introduction.mdx, install.mdx, agents.mdx, skills.mdx, free-vs-pro.mdx, install-recovery.mdx
Site components site/components/hero.tsx, site/components/skills-showcase.tsx
Video scenes scene-hero.jsx, scene-agents.jsx, scene-compare.jsx, scene-hooks.jsx, scene-install.jsx

Usage

# Dry-run — show what would change, exit 1 if drift detected
node commander/cowork-plugin/skills/ccc-doc-sync/sync.js --check

# Apply changes
node commander/cowork-plugin/skills/ccc-doc-sync/sync.js --apply

# Via npm scripts
npm run docs:sync:check   # CI gate (--check)
npm run docs:sync         # Apply all changes

When to run

  • After bumping contract.json plugin_skills count (new skill added)
  • After bumping contract.json specialist_agents count (new agent added)
  • After bumping contract.json hook_handlers count (new handler added)
  • After running npm version (updates package.json version)
  • docs:sync:check runs automatically in prepublishOnly

Read the full file on GitHub · 106 lines

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. 2d ago First seen · 106 lines · 28 tokens per session scan A f731620e317e

Subscribe to this mod's changes

ccc-doc-sync is a skill published in the GitHub repository KevinZai/commander (6 stars, last pushed 3d ago), licensed MIT. It adds 28 tokens to every session and 910 once invoked, about $0.0001 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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