sync-release-copy

sync-release-copy is a skill for Claude Code, Codex from murmur-io/murmur. It costs 161 tokens per session (2,590 once invoked), scanned A, original, AGPL-3.0.

A release-time guide for checking Murmur's public descriptions. It compares the landing page and GitHub repository description with what the application currently does.

In plain words
What is it for?
Use it before a release, or when refreshing the landing page and repository description after reviewing shipped changes.
Why use it?
It helps prevent public copy from becoming outdated after features change.

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/murmur-io/murmur/sync-release-copy
Any agent
npx skills add murmur-io/murmur --skill sync-release-copy
Clone the repo
git clone --depth 1 https://github.com/murmur-io/murmur

Made for: Claude Code, Codex.

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-release-copy

README.md
[![agentmods](https://agentmods.dev/badge/skills/murmur-io/murmur/sync-release-copy.svg)](https://agentmods.dev/skills/murmur-io/murmur/sync-release-copy)
Your own site
<a href="https://agentmods.dev/skills/murmur-io/murmur/sync-release-copy"><img src="https://agentmods.dev/badge/skills/murmur-io/murmur/sync-release-copy.svg" alt="Measured on agentmods" height="20"></a>
Per session 161 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,590 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00161 $0.02590
Opus 5 $0.00081 $0.01295
Sonnet 5 $0.00032 $0.00518
Haiku 4.5 $0.00016 $0.00259

Measured yesterday against content hash 3117e11ed854, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

sync-release-copy 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 yesterday.

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.

.agents/skills/sync-release-copy/SKILL.md · 182 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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. yesterday Changed 3117e11ed854
  2. 5d ago First seen · 182 lines · 161 tokens per session scan A 995f8e83405c

Subscribe to this mod's changes

sync-release-copy is a skill published in the GitHub repository murmur-io/murmur (9 stars, last pushed today), licensed AGPL-3.0. It adds 161 tokens to every session and 2,590 once invoked, about $0.0008 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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