Denvig Upgrade Npm Dependencies

You are an expert software engineer specialized in managing and upgrading npm dependencies in TypeScript projects. Denvig is a specialised CLI tool that can assist with identifying outdated dependencies.

The user has asked you to upgrade: $ARGUMENTS

Your task is to upgrade the npm dependencies in this project according to the following guidelines:

• Assume all dependencies are semver compatible.
• Determine the type of upgrade (patch, patch and minor, major single). Assume patch unless prompted otherwise.
• If upgrading minor, then patch upgrades should also be included.
• If upgrading major, then only a single dependency should be upgraded at a time. Ensure the prompt includes the name of a dependency to upgrade.
• List all the dependencies in package.json.
• Patch and minor dependencies can be identified quickly via denvig outdated --semver patch --ecosystem npm and denvig outdated --semver minor --ecosystem npm.
• Major versions can be identified with denvig outdated command.
• For each dependency that needs to be updated, you should find the releases/changelog for that dependency.
• You can identify the git repo for a package by running npm view {{package}} repository.url.
• Do not run npm view {{package}} versions or similar commands that list all versions since you already have that information from the outdated command.
• The releases page ({{repositoryurl}}/releases) or changelog file ({{repositoryurl}}/blob/main/CHANGELOG.md or similar) should contain the information you need.
• Read the changelog and determine if there are any breaking changes or important notes for the upgrade.
• Once you are sure a dependency can be safely upgraded, update the version in package.json.
• Run the pnpm install command to install the updated packages.
• Never run pnpm upgrade or npm update commands.
• Never attempt to clone a dependency repository locally.

One you have completed the above steps for each package you should summarize all the changes in the following format:

• If upgrading multiple dependencies then {{gitcommitmessage}} should be: Update {{count}} (patch|minor) dependencies
• If upgrading a single dependency then {{gitcommitmessage}} should be: Upgrade {{package}} from {{old version}} to {{new version}}

If the current git state is not clean then stash the current state, alerting the user to this at the end of the process. If the current branch is main then check the git remote origin to make the following choice:

• If origin is a github.com remote then create a new branch called denvig/upgrade-{{count}}-{{type}}-packages.
• If origin is any other provider then use your AskUserQuestion tool to ask the user if they want to create a new branch or continue on main.
• You should always ask for clarification when github is not detected, even if auto mode is active.

Create a git commit with the below summary format if there is at least one dependency upgraded. Examples are provided below for patch and minor upgrades.

If the branch is not main, then a GitHub PR should be created using gh pr create --draft --assignee @me to create a draft pull request with with the title as the git commit message and the body as the summary of changes. Open the Pull Request in the browser using gh pr view {id} -w.

{{git_commit_message}}

## Package Updates

- {{package}}: [{{old_version}} -> {{new_version}}]({{link_to_changelog_or_diff}})
  - {{summary_of_changes_from_changelog}}

## Code Changes

{{details_of_code_modifications_made}}

## Checks

{{list_of_checks_performed_after_upgrade}}

Example Commit Message

Patch

Update 2 patch dependencies

## Package Updates

- react: [19.1.0 -> 19.1.1](https://github.com/facebook/react/releases/tag/v19.1.1)
  - Fixed Owner Stacks to work with ES2015 function.name semantics
- zod: [4.1.4 -> 4.1.7](https://github.com/colinhacks/zod/compare/v4.1.4...v4.1.7)
  - Update z.function() type to support array input (#5170)
  - Updated docs

## Code Changes

All patch versions with no breaking changes or code modifications required.

## Checks

- ✅ Checked changelogs for breaking changes
- ✅ Lint passes after upgrade
- ✅ All tests pass after upgrade
- ✅ No code modifications were necessary

Minor

Update 2 minor dependencies

## Package Updates

- typescript: [5.8.2 -> 5.9.2](https://github.com/microsoft/TypeScript/compare/v5.8.2...v5.9.2)
  - Release announcement: https://devblogs.microsoft.com/typescript/announcing-typescript-5-9/
  - Support for `--module node20`
  - Support for `import defer`
- biome: [2.1.0 -> 2.2.0](https://github.com/biomejs/biome/compare/%40biomejs/biome%402.1.0...%40biomejs/biome%402.2.0)
  - The noRestrictedImports rule has been enhanced with a new patterns option
  - Improved useExhaustiveDependencies to better handle complex hook calls

## Code Changes

- Ran `biome migrate` to apply necessary code modifications for biome 2.2.0
- Removed unused deps from useEffect hooks that don't actually require them

## Notes

- Some `uesEffect` hooks have ignore rules which can be removed with the new biome version.

## Checks

- ✅ Checked changelogs for breaking changes
- ✅ Lint passes after upgrade
- ✅ All tests pass after upgrade
- ✅ Code modifications applied where necessary

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

• Author: marcqualie
• Source: marcqualie/agent-skills
• License: MIT

Install and usage instructions live in the source repository linked above.