Coding
Implement a feature from a spec
Turns a feature description into production-ready code with tests and notes on trade-offs.
Prompt Library
44 carefully written prompts for coding, writing, analysis and more. Pick one, fill in the blanks, then copy it or run it with AI. Save your own prompts too — they stay in your browser.
Coding
Write thorough unit tests
Generates a focused test suite, including edge cases and failure modes.
Coding
Refactor for readability
Restructures code without changing behaviour and explains each change.
Coding
Write a SQL query
Produces a correct, efficient SQL query from a plain-English question and a schema.
Coding
Translate code between languages
Ports code idiomatically to another language, not line-by-line.
Coding
Build a regular expression
Creates a regex from examples and explains it piece by piece.
Debugging
Diagnose an error
Finds the root cause of an error from the stack trace and code, and proposes a fix.
Debugging
Find a performance bottleneck
Analyses slow code and suggests measured optimisations.
Debugging
Rubber-duck a confusing bug
Asks targeted questions to narrow down a bug when you are stuck.
Code Review
Thorough code review
Reviews a diff for bugs, security issues and maintainability, ranked by severity.
Code Review
Security review
Checks code for common vulnerabilities (OWASP-style) with exploit scenarios.
Code Review
Write a pull request description
Creates a clear PR description from a diff, ready for reviewers.
Writing
Draft a blog post
Writes a structured, engaging blog post for a specific audience.
Writing
Write a professional email
Writes a clear, polite email that gets to the point and has a clear ask.
Writing
Write a README
Creates a clear README for a project from a description and code.
Writing
Turn jargon into plain English
Rewrites technical content for a non-technical audience without losing accuracy.
Editing
Proofread and tighten
Fixes grammar and cuts wordiness while preserving your voice.
Editing
Change the tone
Rewrites text in a different tone while keeping the content.
Editing
Get editorial feedback
Critiques a draft like a good editor: structure, clarity, argument.
Marketing
Landing page copy
Writes benefit-led landing page copy with headline variants.
Marketing
Social media posts
Creates platform-specific posts from one piece of content.
Marketing
SEO content brief
Builds a content brief for a target keyword: intent, outline, FAQs.
Business & Strategy
SWOT analysis
Builds a grounded SWOT analysis with actionable implications.
Business & Strategy
Decision memo
Lays out options, trade-offs and a recommendation for a decision.
Business & Strategy
Summarise a meeting
Turns a transcript or notes into decisions, action items and open questions.
Business & Strategy
Customer support reply
Writes an empathetic, accurate support reply following your policy.
Data & Analysis
Analyse a dataset
Finds patterns, anomalies and insights in pasted data.
Data & Analysis
Extract structured data to JSON
Pulls fields out of unstructured text into a JSON shape you define.
Data & Analysis
Classify items into categories
Labels a list of items (tickets, reviews…) with your categories.
Data & Analysis
Find themes in feedback
Groups open-ended feedback into themes with counts and quotes.
Learning
Explain a concept step by step
Teaches a concept at your level with examples and a quick check.
Learning
Create a learning plan
Builds a week-by-week plan with resources and practice projects.
Learning
Explain this code
Walks through unfamiliar code from big picture to details.
Learning
Make flashcards from notes
Turns notes into Q&A flashcards for spaced repetition.
Productivity
Break down a big task
Splits a project into small, ordered, doable steps.
Productivity
Weekly review
Reflects on your week and sets priorities for the next one.
Productivity
Summarise a long document
Summarises a document at the depth you need, with key quotes.
Career
Improve resume bullets
Rewrites resume bullets to be specific, quantified and results-focused.
Career
Interview practice
Generates likely interview questions and strong answer outlines.
Career
Tailored cover letter
Writes a concise cover letter matched to a job description.
Claude Code
Explore a codebase before changing it
Asks Claude Code to investigate and plan before writing any code.
Claude Code
Test-driven change
Has Claude Code write failing tests first, then implement until they pass.
Claude Code
Fix a GitHub issue end-to-end
A complete workflow: understand, reproduce, fix, test and open a PR.
Claude Code
Review my uncommitted changes
Self-review before committing: bugs, leftovers and missing tests.
Pick a prompt
Choose any prompt on the left to fill in its blanks and preview the result. Star the ones you use often — favorites are saved in your browser.
- Why these work: each prompt states the task clearly, wraps your input in XML tags, and spells out the output format.
- Run with AI sends the filled prompt to the AI Playground (your own API key) or opens it in claude.ai.