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Prompt library

PROMPTS

1346 original and curated AI prompts across image, video, music, and tutorials. Browse by tool, use case, and difficulty; each entry shows its available notes and examples.

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Free01
TUTORIALClaude Code
2026-06-08

Claude Code TDD Loop: Red, Green, Refactor Done Right

Forces Claude Code through a strict red→green→refactor cycle: for every behavior, first write a test that fails (red) and actually run it to prove the failure, then write the minimal implementation that just makes it pass (green), and finally refactor under the safety of the passing tests. Cures the AI's old habit of jumping straight to the happy path, skipping edge cases, and faking test coverage.

Intermediate
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Free02
TUTORIALClaude Code
2026-06-08

Claude Code Bug-Fix Loop: Reproduce, Isolate, Fix, Verify

Corrects Claude Code's tendency to 'see an error and start randomly editing' into a disciplined 4-step debugging process: reliably reproduce the bug first, isolate the true root cause (not just the symptom) through minimization, write a regression test that fails, apply the smallest possible fix, then run the full test suite to prove it's fixed without breaking anything else.

Intermediate
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Free03
TUTORIALClaude Code / Codex
2026-06-08

Codex Rigorous Diff Reviewer: Correctness, Simplification, and Security in Three Tracks

Has Codex do a disciplined code review of your git diff across three tracks (correctness bugs / simplification-and-reuse / security), listing each finding with a confidence level and a pastable fix, and explicitly instructed to say so when nothing's wrong instead of manufacturing complaints.

Intermediate
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Free04
TUTORIALClaude Code / Codex
2026-06-08

Codex Bug-Fix Closed Loop: Reproduce First, Fix Second, With Rerunnable Verification

Forces Codex through a closed loop — write a failing test that reproduces the bug, find the root cause, make the minimal fix, watch that same test go from red to green, then run the full test suite to confirm no regressions — eliminating both 'fixed it without verifying' and 'changed a bunch of unrelated stuff along the way.'

Intermediate
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Free05
TUTORIALClaude Code / Codex
2026-06-08

Codex Characterization Tests for Legacy Code: Lock In Current Behavior, Target Edge Cases, Zero Behavior Changes

Has Codex write characterization tests for untested legacy code: it first reads and documents what the code 'actually does right now' (bugs included), systematically covers the happy path plus edge cases and error paths, and is strictly forbidden from modifying the code under test.

Intermediate
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Free06
TUTORIALClaude Code / Codex
2026-06-08

Migrating from Cursor to Claude Code / Codex: An Inventory-and-Kickoff Prompt

Has the agent automatically inventory your Cursor project (.cursorrules, .cursor/rules, .cursor/mcp.json), produce a step-by-step migration plan, and generate the corresponding CLAUDE.md or AGENTS.md, slash commands, and MCP config — so you're not stuck 'dumber than Cursor' on day one.

Intermediate
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Free07
TUTORIALClaude Code / Codex
2026-06-08

AI Agent Definition-of-Done Self-Check Spec

A Definition of Done template you can paste into any coding agent, turning 'what counts as done' into a checklist the agent must self-verify item by item: behavior meets acceptance criteria, tests/lint/typecheck/build all pass (or it states why they didn't run), risky changes come with a rollback plan, and a final 'verification story' is delivered. Puts an end to agents claiming 'done' while everything is actually broken.

Intermediate
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