Free AI Prompt Library - ChatGPT, Claude, Gemini
Library of 397 free AI prompts for ChatGPT, Claude and Gemini. Sorted by category, one-click copy, no signup required.
Looking for free AI prompts that actually work? Our library gathers 397 prompts tested and optimized for ChatGPT, Claude and Gemini. Everything is 100% free - no signup, no copy limit.
Every prompt is sorted by category (writing, productivity, marketing, code, education…) and comes with concrete examples. You save time by reaching for proven formulations instead of trial-and-error each time.
100% free
No paywall, no mandatory signup to copy a prompt.
Multi-AI
Every prompt works with ChatGPT, Claude, Gemini and Mistral.
Categorized
Filter by topic, difficulty and use case.
Bilingual
Available in French and English, tailored to each audience.
Showing 361-372 of 397 prompts
Set Up Application Observability
Implement the three pillars of observability (logs, metrics, traces) with OpenTelemetry, Prometheus, and Grafana dashboards.
Create a Python Automation Script
Create a professional Python automation script with CLI configuration, structured logging, error handling, and tests.
Generate Complete Technical Documentation for Your Code
A complete prompt to generate structured and professional technical documentation, adapted to the target audience and project type.
Refactor Legacy Code Step by Step
This prompt guides AI to analyze legacy code and produce a structured refactoring plan with diagnosis, prioritization, tests, and modernized code.
Create a Complete REST API from A to Z
A complete prompt to generate a professional REST API with authentication, validation, documentation, and integrated tests.
Optimize Your SQL Queries and Boost Performance
A complete prompt to analyze, diagnose, and optimize your SQL queries with indexing and rewriting recommendations adapted to your database engine.
AI-Assisted Complete Code Review
A complete prompt to get an in-depth code review covering bugs, security, performance, readability, and best practices, with concrete fixes.
Automatically Generate Unit Tests with AI
Automatically generate an exhaustive unit test suite covering nominal cases, edge cases, and error cases for any source code.
Debug Your Python Code with ChatGPT
A structured prompt to get a complete analysis of your Python bugs: identification, root cause explanation, commented fix, and prevention tips.
Analyze and Optimize Algorithmic Complexity
Analyze the Big O complexity of your algorithms and optimize them with appropriate data structures and more efficient algorithms.
Install and Configure PostgreSQL for a Project
Install and configure PostgreSQL from scratch with database creation, users, application connection, and first SQL queries.
Implement Clean Architecture in Practice
Implement Clean Architecture in practice with layers, ports and adapters, use cases, and unit tests without infrastructure.