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Agent skill

Changeset

by garden-co in garden-co/classic-jazz

Generate changeset files for versioning and changelog management in this monorepo.

MITAuto-check passedDevelopment

Install Changeset

skills CLI
$ npx skills add garden-co/classic-jazz --skill changeset -a claude-code

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

GitHub CLI
$ gh skill install garden-co/classic-jazz changeset --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/garden-co/classic-jazz.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.cursor/skills/changeset .claude/skills/changeset && 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
changeset
GitHub stars
2.5k
Token cost
~538 tokens
SKILL.md length
230 words
Files
1
Skills in repo
8
Repo updated
First seen
Licence
MIT

At a glance

Generate changeset files for versioning and changelog management in this monorepo.

  • Works in 4 steps: User describes the change they made → Identify which packages are affected → Determine the appropriate semver bump type → …
  • Tasks that involve Monorepo tooling
  • SKILL.md covers What is a Changeset?, Changeset File Format, Package Names and Semver Bump Types, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Changeset is an agent skill from garden-co/classic-jazz. Generate changeset files for versioning and changelog management in this monorepo.

Its SKILL.md is about 540 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 Monorepo tooling and Changelog and release notes. The repository describes itself as: A new kind of database that's distributed across your frontend, containers, serverless functions and its own storage cloud. The licence is MIT.

When your agent uses it

  • Tasks that involve Monorepo tooling
  • Tasks that involve Changelog and release notes

Example prompts

  • “/changeset”

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. User describes the change they made
  2. Identify which packages are affected
  3. Determine the appropriate semver bump type
  4. Create the changeset file in .changeset/ with a unique filename

What it can do on your machine

Read from SKILL.md and the folder at commit 4f90501. 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 (its code samples are markdown).

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

  • Network

    No URLs in SKILL.md.

    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

Changeset loads about 538 tokens when it runs. Until then it costs about 23 tokens; SKILL.md has 230 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~23
When it runs · the whole SKILL.md, loaded when a task matches
~538

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 garden-co/classic-jazz at commit 4f90501, republished under its MIT licence (© garden-co). 230 words, ~538 tokens.

Download SKILL.mdSave it as .claude/skills/changeset/SKILL.md (or your agent's skills folder).
name
changeset
description
Generate changeset files for versioning and changelog management in this monorepo.

Generating Changesets

Use this skill when the user asks to create a changeset or add a changeset.

What is a Changeset?

A changeset is a markdown file with YAML front matter that documents:

  • Which packages need to be released
  • What semver bump type (major, minor, or patch) each package should receive
  • A changelog entry describing the changes

Changeset File Format

Changeset files are stored in .changeset/ directory with a unique filename: {unique-id}.md

markdown
---
"package-name": major|minor|patch
"another-package": minor
---

A description of the changes that will appear in the changelog.

Package Names

Use the exact package name from the package's package.json file. Common packages:

  • cojson
  • jazz-tools
  • jazz-run
  • jazz-webhook
  • cojson-core-wasm
  • cojson-core-rn
  • cojson-core-napi
  • cojson-storage-indexeddb
  • cojson-storage-sqlite
  • cojson-storage-do-sqlite
  • cojson-transport-ws
  • community-jazz-vue
  • create-jazz-app
  • hash-slash
  • quint-ui

Important: Always check the actual package.json file to get the exact package name.

Semver Bump Types

  • major: Never use this, we are still in v0
  • minor: Breaking changes that require users to update their code
  • patch: New features that are backward compatible, bug fixes and small changes

Important: minor is only for breaking changes. Everything else should be patch.

Example Changeset

markdown
---
"jazz-tools": patch
---

Added new `useSuspenseCoState` hook for data fetching using Suspense

Best Practices

  • Write clear, user-facing changelog entries (not technical commit messages)
  • Use past tense ("Added feature" not "Add feature")
  • Be specific about what changed
  • If multiple packages are affected, list them all in the front matter

Workflow

  1. User describes the change they made
  2. Identify which packages are affected
  3. Determine the appropriate semver bump type
  4. Create the changeset file in .changeset/ with a unique filename

© garden-co, 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 .cursor/skills/changeset of garden-co/classic-jazz.

Open the folder on GitHubat commit 4f90501

Compare with similar skills

Changeset 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.

Changeset compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Changeset this skillgarden-co/classic-jazz2.5k—~538Automated safety check: PassMIT
Cutting A ReleaseTriliumNext/Trilium38k—~3.2kAutomated safety check: PassAGPL-3.0
Changesetwithastro/astro63k—~1.1kAutomated safety check: PassCustom licence
Bumpy Add Changezap-studio/monorepo1721 repos~1.4kAutomated safety check: NotesMIT
Changesets Pull Request to Mainbreaking-brake/cc-wf-studio5.4k—~1.4kAutomated safety check: PassCustom licence
Leanspec Developmentcodervisor/leanspec296—~2.5kAutomated safety check: PassMIT

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    Opens a pull request to main in a pnpm and Changesets monorepo, after working out which packages changed and making sure a changeset file exists.

    5.4k GitHub stars~1.4k tokensUpdated yesterday
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    Development workflows, commands, publishing, CI/CD, changelog management, and contribution guidelines for LeanSpec.

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Categories

Questions about Changeset

What does Changeset do?

Generate changeset files for versioning and changelog management in this monorepo. Changeset is an agent skill from garden-co/classic-jazz. Generate changeset files for versioning and changelog management in this monorepo.

When should I use Changeset?

Changeset fits situations like: tasks that involve Monorepo tooling; tasks that involve Changelog and release notes.

How do I install Changeset in Claude Code?

Run `npx skills add garden-co/classic-jazz --skill changeset -a claude-code`. Or copy the skill folder (.cursor/skills/changeset in garden-co/classic-jazz) into .claude/skills/changeset in your project. Claude Code loads it when a task matches its description.

How do I install Changeset in Codex?

Run `npx skills add garden-co/classic-jazz --skill changeset -a codex`. Or copy the skill folder (.cursor/skills/changeset in garden-co/classic-jazz) into .agents/skills/changeset in your project. Codex loads it when a task matches its description.

Can I use Changeset 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 garden-co/classic-jazz --skill changeset -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/changeset, .gemini/skills/changeset, .github/skills/changeset and .opencode/skills/changeset in your project.

What does Changeset need to run?

SKILL.md names no scripts, command-line tools or credentials: Changeset is instructions for the agent only.

Does Changeset access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Changeset 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 Changeset use?

Changeset 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 Changeset use?

About 538 tokens (SKILL.md is roughly 2.2k 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 Changeset?

Skills that share tags, products or a category with Changeset: Cutting A Release (TriliumNext/Trilium, 38k stars), Changeset (withastro/astro, 63k stars), Bumpy Add Change (zap-studio/monorepo, 172 stars) and Changesets Pull Request to Main (breaking-brake/cc-wf-studio, 5.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Changeset?

garden-co (a GitHub organization) maintains it in garden-co/classic-jazz, which has 2,534 GitHub stars. The repository holds 8 skills in this directory. The repository was last updated on September 7, 2026.

Source: garden-co/classic-jazz on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.