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Sync Documentation

Sync Documentation is a command for coding agents from luongnv89/claude-howto. It costs 8 tokens per session (147 once invoked), scanned A, original, MIT.

A documentation-syncing command that compares code changes with the documentation and updates affected pages, examples, and version numbers.

In plain words
What is it for?
Use it after code changes to find outdated guides, refresh related documentation, and check whether examples still work.
Why use it?
It reduces the gap between how the software works now and what its documentation says.

Command

Part of the documentation plugin — 3 commands, 3 agents shipped together

not rated 41k +34 8d ago A scan 8 tokens original MIT
View the source file luongnv89/claude-howto
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 commands/luongnv89/claude-howto/sync-docs
Clone the repo
git clone --depth 1 https://github.com/luongnv89/claude-howto

Or install documentation, the plugin that ships this one along with the rest of its 3 commands, 3 agents.

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 Sync Documentation

README.md
[![agentmods](https://agentmods.dev/badge/commands/luongnv89/claude-howto/sync-docs.svg)](https://agentmods.dev/commands/luongnv89/claude-howto/sync-docs)
Your own site
<a href="https://agentmods.dev/commands/luongnv89/claude-howto/sync-docs"><img src="https://agentmods.dev/badge/commands/luongnv89/claude-howto/sync-docs.svg" alt="Measured on agentmods" height="20"></a>
Per session 8 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 147 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 $0.00008 $0.00147
Opus 5 $0.00004 $0.00073
Sonnet 5 $0.00002 $0.00029
Haiku 4.5 $0.00001 $0.00015

Measured 3d ago against content hash 38263f73b530, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

Sync Documentation 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 3d 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.

07-plugins/documentation/commands/sync-docs.md · 23 lines

What it actually says

Documentation Sync

Synchronize documentation with codebase:

  1. Detect code changes
  2. Identify outdated documentation
  3. Update affected docs
  4. Verify examples still work
  5. Update version numbers

Last Updated: August 4, 2026 Claude Code Version: 2.1.220 Sources:

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. 3d ago First seen · 23 lines · 8 tokens per session scan A 38263f73b530

Subscribe to this mod's changes

Sync Documentation is a command published in the GitHub repository luongnv89/claude-howto (41,305 stars, last pushed 8d ago), licensed MIT. It adds 8 tokens to every session and 147 once invoked, about $0.0000 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.

Writing and docsclaude-codeguidetutorial
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