Useful Claude Code Plugins for Coding and Longer Projects

Claude Code becomes more useful when its skills match the work you actually do. These are the plugins I would consider for everyday development, browser testing, writing, and projects that stretch across sessions.

Superpowers: a broad development workflow

Superpowers combines brainstorming, systematic debugging, test-driven development, planning and execution, Git worktrees, code review, and completion checks. It is a good starting point if you work across several stages of a project.

claude plugin install superpowers@claude-plugins-official

Code Review: focused review work

The Code Review plugin uses agents to examine different aspects of a change, such as logic and potential defects. It can be useful for maintaining a codebase, but a multi-agent review may use considerably more tokens. Review findings still need a human judgment.

claude plugin install code-review

Webapp Testing: exercise the browser

The example skills collection includes browser-testing support for running scripts against a web application. It helps an agent check how a page behaves instead of relying only on reading the source.

claude plugin marketplace add anthropics/skills
claude plugin install example-skills@anthropic-agent-skills

Humanizer: revise writing

The original recommendation was the Chinese-language Humanizer skill. It is aimed at editing repetitive or unnatural writing rather than programming. It cannot reliably prove who wrote a passage or guarantee a result from an AI-text detector.

npx skills add https://github.com/op7418/Humanizer-zh.git

Use /humanizer-zh with the text you want to revise. For English writing, choose a skill whose instructions and examples match the language you need.

Planning with Files: keep project state on disk

Planning with Files stores the plan and progress in project files. That makes it easier to recover what has been done after a long session or when returning to a project the next day.

claude plugin marketplace add OthmanAdi/planning-with-files
claude plugin install planning-with-files

Superpowers alone already covers a substantial workflow. Add the other tools when they solve a specific problem. Installing several skills with overlapping instructions can make the agent's behavior less predictable.

Plugin availability and marketplace names can change; consult the official Claude Code plugin documentation if an installation command is unavailable.

Adapted from the original Chinese article, published on June 9, 2026.