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Agent skill

Changelog

by hashgraph-online in hashgraph-online/awesome-codex-plugins

Add CHANGELOG.md entries, derive them from commits, or cut a Keep a Changelog and SemVer release.

Apache-2.0Auto-check: notesDevelopment

Install Changelog

skills CLI
$ npx skills add hashgraph-online/awesome-codex-plugins --skill changelog -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install hashgraph-online/awesome-codex-plugins changelog --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/reidemeister94/development-skills/skills/changelog .claude/skills/changelog && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
changelog
GitHub stars
1.3k
Token cost
~597 tokens
SKILL.md length
273 words
Files
3 (incl. references)
Skills in repo
716
Repo updated
First seen
Licence
Apache-2.0

At a glance

Add CHANGELOG.md entries, derive them from commits, or cut a Keep a Changelog and SemVer release.

  • Works in 4 steps: Resolve the action → Pre-flight (all actions) → Insert under [Unreleased] (add,… → …
  • Tasks that involve Changelog and release notes
  • SKILL.md covers Step 1 — Resolve the action, Step 2 — Pre-flight (all…, Step 3 — Insert under… and Step 4 — Run the action
  • Calls git

What it does

Changelog is an agent skill from hashgraph-online/awesome-codex-plugins. Add CHANGELOG.md entries, derive them from commits, or cut a Keep a Changelog and SemVer release.

Its SKILL.md is about 600 tokens, which your agent loads only when the skill is triggered. The skill folder holds 3 other files, including reference files (for example `references/release.md` and `references/writing-guidelines.md`).

It sits in Development, covering Changelog and release notes. The repository describes itself as: A curated list of awesome OpenAI Codex / ChatGPT plugins, skills, and resources. The 1 Codex Marketplace. See live plugins at: https://hol.org/plugins/best-codex-plugins. The licence is Apache-2.0.

When your agent uses it

  • Tasks that involve Changelog and release notes

Example prompts

  • “/changelog”

Requirements

  • Pre-approved tools (allowed-tools): Read, Edit, Write, Bash, AskUserQuestion

Workflow steps

4 steps, taken from the step headings in SKILL.md.

  1. Resolve the action
  2. Pre-flight (all actions)
  3. Insert under [Unreleased] (add, from-commits)
  4. Run the action

What it can do on your machine

Read from SKILL.md and the folder at commit 3e1456a. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Edit
    • Write
    • Bash
    • AskUserQuestion

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • git

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use git, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Changelog loads about 597 tokens when it runs, and up to ~1.3k if it reads all its reference files. Until then it costs about 27 tokens; SKILL.md has 273 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~27
When it runs · the whole SKILL.md, loaded when a task matches
~597
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Read, Edit, Write, Bash, AskUserQuestion

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from hashgraph-online/awesome-codex-plugins at commit 3e1456a, republished under its Apache-2.0 licence (© hashgraph-online). 273 words, ~597 tokens.

Download SKILL.mdSave it as .claude/skills/changelog/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
changelog
description
Add CHANGELOG.md entries, derive them from commits, or cut a Keep a Changelog and SemVer release.
allowed-tools
Read, Edit, Write, Bash, AskUserQuestion
user-invocable
true

changelog

Manage CHANGELOG.md per Keep a Changelog 1.1.0 and SemVer 2.0.0:

  • add: one entry;
  • from-commits: derive entries from Conventional Commits;
  • release: cut a version.

Edit only CHANGELOG.md. Never change version files, commit, or tag; release prints suggested commands.

Step 1 — Resolve the action

Resolve add, from-commits (commits), or release from $ARGUMENTS or the request; ask if ambiguous.

Step 2 — Pre-flight (all actions)

bash
root=$(git rev-parse --show-toplevel 2>/dev/null) || root=.
ls "$root/CHANGELOG.md" 2>/dev/null

Always use $root/CHANGELOG.md, never a cwd-relative path.

  • Existing: read and preserve style.
  • Missing for add/from-commits: create the standard linked title, intro, and ## [Unreleased] skeleton.
  • Missing for release: stop and suggest /changelog add or /changelog from-commits.

Step 3 — Insert under [Unreleased] (add, from-commits)

Append - <imperative description> to its category under [Unreleased], creating the category in canonical order. Never edit released sections or date [Unreleased].

Step 4 — Run the action

Load writing guidelines for entry rules, commit mapping, and SemVer bumps.

  • add — use the user's text or ask for one of the six categories and a ≤15-word description; tighten and insert it.
  • from-commits — follow the process below.
  • release — follow references/release.md.
from-commits

The changelog, not git tags, is the source of truth for what shipped — derive entries, don't mirror the log.

  1. Range: use <latest-tag>..HEAD; without tags, find the commit for the latest released section. Without either baseline, show the commit count and ask for all, last 30, last 100, or another range. Never silently choose all.
  2. Gather: inspect subjects and bodies; breaking footers may be in bodies.
  3. Derive: map, filter, aggregate, and deduplicate per the guidelines. Collapse a 10–20-commit feature into 1–3 user-facing entries.
  4. Confirm: show grouped proposals plus skipped or aggregated items with reasons, then insert only after approval.

© hashgraph-online, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 2 other files (references) in plugins/reidemeister94/development-skills/skills/changelog of hashgraph-online/awesome-codex-plugins.

  • SKILL.md
  • references/release.md
  • references/writing-guidelines.md

Open the folder on GitHubat commit 3e1456a

Compare with similar skills

Changelog next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Changelog compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Changelog this skillhashgraph-online/awesome-codex-plugins1.3k—~597Automated safety check: NotesApache-2.0
Simple Englishmoeru-ai/airi50k2 repos~4.6kAutomated safety check: PassMIT
StarRocks Release NotesStarRocks/starrocks12k—~1.9kAutomated safety check: NotesApache-2.0
Cutting A ReleaseTriliumNext/Trilium38k—~3.2kAutomated safety check: PassAGPL-3.0
Mole CLI Release Flowtw93/Mole70k—~2.6kAutomated safety check: PassGPL-3.0
React Router Release Notes Prepremix-run/react-router57k—~1.1kAutomated safety check: PassMIT

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  • Simple English

    moeru-ai/airi

    Write or rewrite technical text with the rules of ASD-STE100 Simplified Technical English so it is clear, unambiguous, and free of AI slop.

    50k GitHub starsUsed in 2 repos~4.6k tokens
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  • StarRocks Release Notes

    StarRocks/starrocks

    Drafts English release notes for a StarRocks patch release from the PRs merged into its release branch, then opens a documentation PR and hands translation to /translate.

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    70k GitHub stars~2.6k tokensUpdated today
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Categories

Questions about Changelog

What does Changelog do?

Add CHANGELOG.md entries, derive them from commits, or cut a Keep a Changelog and SemVer release. Changelog is an agent skill from hashgraph-online/awesome-codex-plugins.md entries, derive them from commits, or cut a Keep a Changelog and SemVer release.

When should I use Changelog?

Changelog fits situations like: tasks that involve Changelog and release notes.

How do I install Changelog in Claude Code?

Run `npx skills add hashgraph-online/awesome-codex-plugins --skill changelog -a claude-code`. Or copy the skill folder (plugins/reidemeister94/development-skills/skills/changelog in hashgraph-online/awesome-codex-plugins) into .claude/skills/changelog in your project. Claude Code loads it when a task matches its description.

How do I install Changelog in Codex?

Run `npx skills add hashgraph-online/awesome-codex-plugins --skill changelog -a codex`. Or copy the skill folder (plugins/reidemeister94/development-skills/skills/changelog in hashgraph-online/awesome-codex-plugins) into .agents/skills/changelog in your project. Codex loads it when a task matches its description.

Can I use Changelog in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add hashgraph-online/awesome-codex-plugins --skill changelog -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/changelog, .gemini/skills/changelog, .github/skills/changelog and .opencode/skills/changelog in your project.

What does Changelog need to run?

Going by SKILL.md and its folder, Changelog needs the command-line tools its instructions call (git). Its frontmatter pre-approves these tools: Read, Edit, Write, Bash, AskUserQuestion.

Does Changelog access the network?

SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Changelog safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Changelog use?

Changelog is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Changelog use?

About 597 tokens (SKILL.md is roughly 2.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 740 tokens, read only when the agent opens those files.

What are the alternatives to Changelog?

Skills that share tags, products or a category with Changelog: Simple English (moeru-ai/airi, 50k stars), StarRocks Release Notes (StarRocks/starrocks, 12k stars), Cutting A Release (TriliumNext/Trilium, 38k stars) and Mole CLI Release Flow (tw93/Mole, 70k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Changelog?

hashgraph-online (a GitHub organization) maintains it in hashgraph-online/awesome-codex-plugins, which has 1,267 GitHub stars. The repository holds 716 skills in this directory. The repository was last updated on October 10, 2026.

Source: hashgraph-online/awesome-codex-plugins on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.