changelog

changelog is a skill for Claude Code from berkcangumusisik/claude-code-practices. It costs 13 tokens per session (226 once invoked), scanned A, original, MIT.

A tool that updates CHANGELOG.md, a file recording notable changes between software versions, from recent Git commits. Git is a system for tracking code changes.

In plain words
What is it for?
Use it to create an Unreleased changelog section from commits since the latest version tag, following the Keep a Changelog format.
Why use it?
It turns terse commit messages into a dated, organized summary of additions, changes, fixes, removals, and security updates.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit Use it to create an Unreleased changelog section from commits since the latest version tag, following the Keep a Changelog format.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/berkcangumusisik/claude-code-practices/changelog
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.

Any agent
npx skills add berkcangumusisik/claude-code-practices --skill changelog
Clone the repo
git clone --depth 1 https://github.com/berkcangumusisik/claude-code-practices

Made for: Claude Code.

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 changelog

README.md
[![agentmods](https://agentmods.dev/badge/skills/berkcangumusisik/claude-code-practices/changelog/github.svg)](https://agentmods.dev/skills/berkcangumusisik/claude-code-practices/changelog)
Your own site
<a href="https://agentmods.dev/skills/berkcangumusisik/claude-code-practices/changelog"><img src="https://agentmods.dev/badge/skills/berkcangumusisik/claude-code-practices/changelog/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for changelog

Your own site · 80×15
<a href="https://agentmods.dev/skills/berkcangumusisik/claude-code-practices/changelog"><img src="https://agentmods.dev/badge/skills/berkcangumusisik/claude-code-practices/changelog.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 13 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 226 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00013 $0.00226
Opus 5 $0.00006 $0.00113
Sonnet 5 $0.00003 $0.00045
Haiku 4.5 $0.00001 $0.00023

Measured 9d ago against content hash 048147d64496, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

changelog 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 9d 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/changelog/SKILL.md · 36 lines

What it actually says

Update CHANGELOG.md

  1. Find the last version in CHANGELOG.md:
head -50 CHANGELOG.md 2>/dev/null || echo "No changelog yet"
git tag --sort=-creatordate | head -1
  1. Get commits since last tag:
git log $(git describe --tags --abbrev=0 2>/dev/null || git rev-list --max-parents=0 HEAD)..HEAD --oneline --no-merges
  1. Prepend a new section to CHANGELOG.md following Keep a Changelog format:
## [Unreleased] - YYYY-MM-DD

### Added
### Changed
### Fixed
### Removed
### Security

Only include non-empty sections. Group commits intelligently. Rewrite raw commit messages into human-readable changelog entries.

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. 9d ago First seen · 36 lines · 13 tokens per session scan A 048147d64496

Subscribe to this mod's changes

changelog is a skill published in the GitHub repository berkcangumusisik/claude-code-practices (10 stars, last pushed 4mo ago), licensed MIT. It adds 13 tokens to every session and 226 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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