// the capability index

Everything Claude
can do, in one place.

Browse real, tested capabilities and grab prompts you can paste in and use today. No fluff — just what actually works.

Explore superpowers Copy a prompt
11+capabilities
6categories
12+ready prompts

// browse by

Six kinds of superpower

See all
coding

Coding & Dev

Write, debug, refactor and explain code across languages and stacks.

2 capabilities Open
writing

Writing & Editing

Draft, rewrite, and sharpen anything from emails to long-form essays.

2 capabilities Open
analysis

Data & Analysis

Turn messy data and documents into clear, structured insight.

2 capabilities Open
research

Research & Learning

Understand hard topics fast with summaries, breakdowns, and study plans.

2 capabilities Open
creative

Creative & Ideas

Brainstorm, name, and storyboard — from campaigns to worldbuilding.

1 capabilities Open
productivity

Work & Productivity

Plan, organize, and automate the repetitive parts of your day.

2 capabilities Open

// most used

Start with these

The capabilities people reach for most, ranked by how consistently they deliver.

// steal these

Prompts, ready to paste

Copy, drop in your details, and go. No prompt-engineering degree required.

Full library
Coding & Dev

Explain code line by line

Explain this code line by line as if I'm a junior developer. Point out anything that could break, and suggest one improvement at the end. [paste your code here]
Coding & Dev

Refactor for readability

Refactor this code to be more readable without changing its behavior. Keep the same function names, add short comments only where the logic is non-obvious, and explain what you changed.
Coding & Dev

Write tests I forgot

Write unit tests for this function covering the happy path, edge cases, and error handling. Use [your framework] and explain what each test is checking.

// go

Pick a superpower and try it now

Open Claude, paste a prompt, and see the difference in your next task.

Open Claude