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Agent skill

Update Changelog

by tobihagemann in tobihagemann/turbo

Update the Unreleased section of CHANGELOG.md based on current changes.

MITAuto-check passedDevelopment

Install Update Changelog

skills CLI
$ npx skills add tobihagemann/turbo --skill update-changelog -a claude-code

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

GitHub CLI
$ gh skill install tobihagemann/turbo update-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/tobihagemann/turbo.git skills-src && mkdir -p .claude/skills && cp -r skills-src/codex/skills/update-changelog .claude/skills/update-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
update-changelog
GitHub stars
408
Token cost
~514 tokens
SKILL.md length
256 words
Files
1
Skills in repo
81
Repo updated
First seen
Licence
MIT

At a glance

Update the Unreleased section of CHANGELOG.md based on current changes.

  • Works in 6 steps: Run $changelog-rules Skill → Check for Changelog → Analyze the Changes → …
  • The user asks to update changelog
  • SKILL.md covers Step 1: Run $changelog-rules…, Step 2: Check for Changelog, Step 3: Analyze the Changes and Step 4: Assess…, plus 3 more sections
  • Calls git

What it does

Update Changelog is an agent skill from tobihagemann/turbo. Update the Unreleased section of CHANGELOG.md based on current changes. No-op if CHANGELOG.md does not exist. Use when the user asks to "update changelog", "add to changelog", "update the changelog", "changelog entry", "add changelog entry", or "log this change".

Its SKILL.md is about 510 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. It works with Git. The repository describes itself as: Reusable workflows for planning, building, reviewing, and shipping with Claude Code and Codex. The licence is MIT.

When your agent uses it

  • The user asks to update changelog
  • Add to changelog
  • Update the changelog
  • Changelog entry

Example prompts

  • “update changelog”
  • “add to changelog”
  • “update the changelog”
  • “/update-changelog”

Workflow steps

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

  1. Run $changelog-rules Skill
  2. Check for Changelog
  3. Analyze the Changes
  4. Assess Changelog-Worthiness
  5. Check Existing Unreleased Entries
  6. Update the Unreleased Section

What it can do on your machine

Read from SKILL.md and the folder at commit 931eda5. 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

    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

Update Changelog loads about 514 tokens when it runs. Until then it costs about 70 tokens; SKILL.md has 256 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~70
When it runs · the whole SKILL.md, loaded when a task matches
~514

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 tobihagemann/turbo at commit 931eda5, republished under its MIT licence (© tobihagemann). 256 words, ~514 tokens.

Download SKILL.mdSave it as .claude/skills/update-changelog/SKILL.md (or your agent's skills folder).
name
update-changelog
description
Update the Unreleased section of CHANGELOG.md based on current changes. No-op if CHANGELOG.md does not exist. Use when the user asks to "update changelog", "add to changelog", "update the changelog", "changelog entry", "add changelog entry", or "log this change".

Update Changelog

Update the Unreleased section of the changelog based on the current changes.

Step 1: Run $changelog-rules Skill

Run the $changelog-rules skill to load shared changelog conventions.

Step 2: Check for Changelog

Use git rev-parse --show-toplevel to find the repository root. Look for the changelog file per $changelog-rules. If it does not exist, skip this skill. Do not create it.

Step 3: Analyze the Changes

Determine what changed:

  • Read git diff --cached for staged changes
  • If nothing is staged, read git diff for unstaged changes
  • Use the conversation context for the intent behind the changes

Step 4: Assess Changelog-Worthiness

Apply the $changelog-rules changelog-worthiness and net-delta criteria. Skip fixes to code introduced by the same branch or PR.

If no changes are changelog-worthy, skip this skill.

Step 5: Check Existing Unreleased Entries

Read the current Unreleased section of the changelog. Look for entries that relate to the same feature or fix. This prevents duplicates across multiple commits for the same body of work.

  • If an existing entry covers the same change, update its wording only if the current commit meaningfully extends or refines the feature. Do not add a duplicate entry.

Step 6: Update the Unreleased Section

Add or update entries in the Unreleased section following $changelog-rules conventions. Create subsection headers as needed (e.g., ### Added).

Then call update_plan to mark this step completed and continue with the next step of the active workflow.

Rules

  • Never modify released version sections. Only the Unreleased section is in scope.
  • Do not stage the modified file. Staging is handled separately.

© tobihagemann, 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 codex/skills/update-changelog of tobihagemann/turbo.

Open the folder on GitHubat commit 931eda5

Compare with similar skills

Update 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.

Update Changelog compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Update Changelog this skilltobihagemann/turbo408—~514Automated safety check: PassMIT
React Router Release Notes Prepremix-run/react-router57k—~1.1kAutomated safety check: PassMIT
Draft Release Notesjamiepine/voicebox57k—~941Automated safety check: PassMIT
Mole Release Notes Publishertw93/Mole70k—~1.9kAutomated safety check: PassGPL-3.0
Release Bumpjamiepine/voicebox57k—~1.1kAutomated safety check: PassMIT
Git Workflow and Versioningaddyosmani/agent-skills105k2 repos~3.5kAutomated safety check: NotesMIT

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Works with

Categories

Questions about Update Changelog

What does Update Changelog do?

Update the Unreleased section of CHANGELOG.md based on current changes. Update Changelog is an agent skill from tobihagemann/turbo.md based on current changes.

When should I use Update Changelog?

Update Changelog fits situations like: the user asks to update changelog; add to changelog; update the changelog; changelog entry.

How do I install Update Changelog in Claude Code?

Run `npx skills add tobihagemann/turbo --skill update-changelog -a claude-code`. Or copy the skill folder (codex/skills/update-changelog in tobihagemann/turbo) into .claude/skills/update-changelog in your project. Claude Code loads it when a task matches its description.

How do I install Update Changelog in Codex?

Run `npx skills add tobihagemann/turbo --skill update-changelog -a codex`. Or copy the skill folder (codex/skills/update-changelog in tobihagemann/turbo) into .agents/skills/update-changelog in your project. Codex loads it when a task matches its description.

Can I use Update 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 tobihagemann/turbo --skill update-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/update-changelog, .gemini/skills/update-changelog, .github/skills/update-changelog and .opencode/skills/update-changelog in your project.

What does Update Changelog need to run?

Going by SKILL.md and its folder, Update Changelog needs the command-line tools its instructions call (git).

Does Update 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 Update 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 Update Changelog use?

Update 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 Update Changelog use?

About 514 tokens (SKILL.md is roughly 2.1k 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 Update Changelog?

Skills that share tags, products or a category with Update Changelog: React Router Release Notes Prep (remix-run/react-router, 57k stars), Draft Release Notes (jamiepine/voicebox, 57k stars), Mole Release Notes Publisher (tw93/Mole, 70k stars) and Release Bump (jamiepine/voicebox, 57k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Update Changelog?

tobihagemann (a GitHub user) maintains it in tobihagemann/turbo, which has 408 GitHub stars. The repository holds 81 skills in this directory. The repository was last updated on October 9, 2026.

Source: tobihagemann/turbo on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.