Changelog
aviatesk/JET.jl
Invoke before committing user-facing JET changes such as features, bug fixes, compatibility changes, or deprecations.
Invoke before committing user-facing changes (new features, bug fixes, behavior changes) to update CHANGELOG.md.
Install Changelog
$ npx skills add aviatesk/JETLS.jl --skill changelog -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install aviatesk/JETLS.jl changelog --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/aviatesk/JETLS.jl.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/changelog .claude/skills/changelog && rm -rf skills-srcUse ~/.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/
Install the "changelog" agent skill from https://github.com/aviatesk/JETLS.jl/tree/master/.agents/skills/changelog into .claude/skills/changelog/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "changelog", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/aviatesk/JETLS.jl/tree/master/.agents/skills/changelogType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add aviatesk/JETLS.jl --skill changelog -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install aviatesk/JETLS.jl changelog --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aviatesk/JETLS.jl.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/changelog .agents/skills/changelog && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "changelog" agent skill from https://github.com/aviatesk/JETLS.jl/tree/master/.agents/skills/changelog into .agents/skills/changelog/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "changelog", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add aviatesk/JETLS.jl --skill changelog -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install aviatesk/JETLS.jl changelog --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aviatesk/JETLS.jl.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/changelog .cursor/skills/changelog && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "changelog" agent skill from https://github.com/aviatesk/JETLS.jl/tree/master/.agents/skills/changelog into .cursor/skills/changelog/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "changelog", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/aviatesk/JETLS.jl.git --path .agents/skills/changelog--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add aviatesk/JETLS.jl --skill changelog -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install aviatesk/JETLS.jl changelog --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aviatesk/JETLS.jl.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/changelog .gemini/skills/changelog && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "changelog" agent skill from https://github.com/aviatesk/JETLS.jl/tree/master/.agents/skills/changelog into .gemini/skills/changelog/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "changelog", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install aviatesk/JETLS.jl changelogInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add aviatesk/JETLS.jl --skill changelog -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/aviatesk/JETLS.jl.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/changelog .github/skills/changelog && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "changelog" agent skill from https://github.com/aviatesk/JETLS.jl/tree/master/.agents/skills/changelog into .github/skills/changelog/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "changelog", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add aviatesk/JETLS.jl --skill changelog -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install aviatesk/JETLS.jl changelog --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/aviatesk/JETLS.jl.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/changelog .opencode/skills/changelog && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "changelog" agent skill from https://github.com/aviatesk/JETLS.jl/tree/master/.agents/skills/changelog into .opencode/skills/changelog/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "changelog", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
changelog- GitHub stars
- 314
- Token cost
- ~490 tokens
- SKILL.md length
- 222 words
- Files
- 1
- Skills in repo
- 4
- Repo updated
- First seen
- Licence
- MIT
At a glance
Invoke before committing user-facing changes (new features, bug fixes, behavior changes) to update CHANGELOG.md.
- Tasks that involve Changelog and release notes
- SKILL.md covers Format, Line length, Section structure and Entry style, plus 1 more section
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
- Tasks that involve Debugging
What it does
Changelog is an agent skill from aviatesk/JETLS.jl. Invoke before committing user-facing changes (new features, bug fixes, behavior changes) to update CHANGELOG.md. Skip for internal refactors, CI, docs-only, or minor dependency bumps.
Its SKILL.md is about 490 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Development, covering Changelog and release notes, Debugging and Refactoring. The repository describes itself as: A new language server for Julia, enabling modern, compiler-powered tooling. The licence is MIT.
When your agent uses it
- Tasks that involve Changelog and release notes
- Tasks that involve Debugging
- Tasks that involve Refactoring
Example prompts
- “/changelog”
What it can do on your machine
Read from SKILL.md and the folder at commit c180fb1. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
Links to these hosts (documentation or services it may open):
keepachangelog.com
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 490 tokens when it runs. Until then it costs about 48 tokens; SKILL.md has 222 words of instructions outside code blocks.
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 passed
The automated check found no risky patterns in SKILL.md.
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 aviatesk/JETLS.jl at commit c180fb1, republished under its MIT licence (© aviatesk). 222 words, ~490 tokens.
Download SKILL.mdSave it as
.claude/skills/changelog/SKILL.md (or your agent's skills folder).- name
- changelog
- description
- Invoke before committing user-facing changes (new features, bug fixes, behavior changes) to update CHANGELOG.md. Skip for internal refactors, CI, docs-only, or minor dependency bumps.
Updating CHANGELOG.md
Format
This project follows Keep a Changelog.
Line length
CHANGELOG.md is exempt from the 80-character Markdown line length rule because it is used for GitHub release notes, where hard line breaks disrupt rendering.
That said, do not put everything on a single line unconditionally. Break lines at natural points (sentence boundaries, after colons, etc.) when an entry is long enough to benefit from it. Short, single-sentence entries are fine as one line.
Section structure
New entries go under the ## Unreleased section.
Use the following subsections as needed (in this order):
### Announcement-- important notices (always first if present)### Added-- new features### Changed-- changes to existing functionality### Fixed-- bug fixes
Entry style
- Start Added entries with "Added ..." and Fixed entries with "Fixed ...".
- Changed entries typically start with the component name
(e.g. "
lowering/undef-local-varnow ..."). - When closing a GitHub issue, append
(Closed https://github.com/aviatesk/JETLS.jl/issues/NNN). - Use backticks for diagnostic names, function names, and code elements.
Entry content
Write entries from the user's perspective. Describe what changed in terms of user-visible behavior — not implementation details.
- Don't include internal mechanisms (AST node types, specific JuliaLowering/JuliaSyntax internals, traversal strategies) unless a user could reasonably observe or interact with them.
- The "why" of a fix rarely matters to users; the "what" of the new behavior does. If the prior behavior is worth mentioning, describe its user-visible symptom, not its cause.
© aviatesk, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in .agents/skills/changelog of aviatesk/JETLS.jl.
Open the folder on GitHubat commit c180fb1
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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Changelog this skillaviatesk/JETLS.jl | 314 | — | ~490 | Automated safety check: Pass | MIT | |
| Changelogaviatesk/JET.jl | 884 | — | ~492 | Automated safety check: Pass | MIT | |
| Release DigestKiln-AI/Kiln | 5.2k | — | ~2.7k | Automated safety check: Pass | Custom licence | |
| Superplane Changelogsuperplanehq/superplane | 7.7k | — | ~2.3k | Automated safety check: Pass | Custom licence | |
| Code Review Graph Navigatorhandsontable/handsontable | 22k | — | ~939 | Automated safety check: Pass | Custom licence | |
| Csharp Refactoringmicrosoft/testfx | 1k | 2 repos | ~3.1k | Automated safety check: Pass | MIT |
Similar skills
Release Digest
Kiln-AI/Kiln
Post a "what's changed since the last release" recap to the release Slack channel for final QA.
Superplane Changelog
superplanehq/superplane
When generating a SuperPlane changelog from merged commits. An agent skill from superplanehq/superplane.
Code Review Graph Navigator
handsontable/handsontable
Queries a pre-built, Tree-sitter-based code graph of the whole monorepo instead of grepping call chains, for exploring, debugging, refactoring or reviewing code.
- Official
Csharp Refactoring
microsoft/testfx
Safely refactors C/.NET code without changing behavior. An agent skill from microsoft/testfx.
Analyze Project
lllllllama/RigorPilot-Skills
Rigor Analyze / Rigor Audit read-only skill for deep learning research repositories.
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Related
Categories
Questions about Changelog
What does Changelog do?
Invoke before committing user-facing changes (new features, bug fixes, behavior changes) to update CHANGELOG.md. jl.md.
When should I use Changelog?
Changelog fits situations like: tasks that involve Changelog and release notes; tasks that involve Debugging; tasks that involve Refactoring.
How do I install Changelog in Claude Code?
Run `npx skills add aviatesk/JETLS.jl --skill changelog -a claude-code`. Or copy the skill folder (.agents/skills/changelog in aviatesk/JETLS.jl) 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 aviatesk/JETLS.jl --skill changelog -a codex`. Or copy the skill folder (.agents/skills/changelog in aviatesk/JETLS.jl) 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 aviatesk/JETLS.jl --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?
SKILL.md names no scripts, command-line tools or credentials: Changelog is instructions for the agent only.
Does Changelog access the network?
SKILL.md names 1 domain. As links in the text: keepachangelog.com. This is read from the text; nothing was executed.
Is Changelog safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Changelog use?
Changelog is published under the MIT 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 490 tokens (SKILL.md is roughly 2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Changelog?
Skills that share tags, products or a category with Changelog: Changelog (aviatesk/JET.jl, 884 stars), Release Digest (Kiln-AI/Kiln, 5.2k stars), Superplane Changelog (superplanehq/superplane, 7.7k stars) and Code Review Graph Navigator (handsontable/handsontable, 22k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Changelog?
aviatesk (a GitHub user) maintains it in aviatesk/JETLS.jl, which has 314 GitHub stars. The repository holds 4 skills in this directory. The repository was last updated on October 9, 2026.
Source: aviatesk/JETLS.jl on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.