sync-awareness

sync-awareness is a skill for Claude Code from Leoyang183/sync-agents-settings. It costs 61 tokens per session (369 once invoked), scanned A, original, MIT.

A set of suggestions and commands for keeping MCP settings and instruction files aligned across AI coding agents. MCP is a way for an agent to connect to external tools; CLAUDE.md files contain agent instructions.

In plain words
What is it for?
Use it while changing .claude.json, .mcp.json, or CLAUDE.md files to check or suggest syncing with other agents.
Why use it?
It helps prevent configuration and instruction files from becoming different between agents when you edit them.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions CLAUDE.md; mentions Claude Code.

Part of the sync-agents-settings plugin — 1 skill, 8 commands 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/leoyang183/sync-agents-settings/sync-awareness
Any agent
npx skills add Leoyang183/sync-agents-settings --skill sync-awareness
Clone the repo
git clone --depth 1 https://github.com/Leoyang183/sync-agents-settings

Made for: Claude Code.

Or install sync-agents-settings, the plugin that ships this one along with the rest of its 1 skill, 8 commands.

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-awareness

README.md
[![agentmods](https://agentmods.dev/badge/skills/leoyang183/sync-agents-settings/sync-awareness.svg)](https://agentmods.dev/skills/leoyang183/sync-agents-settings/sync-awareness)
Your own site
<a href="https://agentmods.dev/skills/leoyang183/sync-agents-settings/sync-awareness"><img src="https://agentmods.dev/badge/skills/leoyang183/sync-agents-settings/sync-awareness.svg" alt="Measured on agentmods" height="20"></a>
Per session 61 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 369 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 5.1 $0.00061 $0.00369
Opus 5 $0.00030 $0.00185
Sonnet 5 $0.00012 $0.00074
Haiku 4.5 $0.00006 $0.00037

Measured 6d ago against content hash ee9961ee2734, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

sync-awareness 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 6d 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.

skills/sync-awareness/SKILL.md · 38 lines

What it actually says

Sync Awareness

When you detect that the user is working with MCP server configurations or CLAUDE.md instruction files, suggest syncing to other AI agents.

When to Suggest

MCP Config Context

If the conversation involves editing or discussing .claude.json or .mcp.json files (specifically the mcpServers section):

You're working with MCP server settings. Want to sync to other AI agents? Use /sync to sync, or /sync-diff to check differences first.

CLAUDE.md Context

If the conversation involves editing or discussing CLAUDE.md files:

You're updating CLAUDE.md. Want to sync instructions to other AI agents? Use /sync-instructions to sync.

Rules

  • Suggest only once per relevant context. Do not repeat the suggestion if the user has already seen it or dismissed it.
  • Never auto-execute sync commands. Only suggest them.
  • Keep it brief — one or two sentences maximum.
  • Do not suggest if the user is already using one of the sync commands.

Available Commands

  • /sync — Sync MCP server configs to other agents
  • /sync-list — List all MCP servers in Claude Code
  • /sync-diff — Compare MCP configs between Claude and other agents
  • /sync-instructions — Sync CLAUDE.md to other agent instruction formats
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. 6d ago First seen · 38 lines · 61 tokens per session scan A ee9961ee2734

Subscribe to this mod's changes

sync-awareness is a skill published in the GitHub repository Leoyang183/sync-agents-settings (8 stars, last pushed 5mo ago), licensed MIT. It adds 61 tokens to every session and 369 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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