exploreExample prompt
Implement from issue
Prompt
Fix GitHub issue #247: add input validation to the signup form and write tests for edge cases.
Short explanation
Codex agents can work from issues to implementation across a repository.
Codex
Codex is OpenAI's AI coding agent for building software, integrated into ChatGPT and developer tools for autonomous coding, debugging, and repository tasks.
CodingAgents
How it works / How to use
Codex is OpenAI's AI coding agent for building software, integrated into ChatGPT and developer tools for autonomous coding, debugging, and repository tasks.
- Open Codex in your editor, terminal, or browser workspace.
- Describe the change, bug, or feature with file paths and expected behavior.
- Review suggested diffs or commands before applying them.
- Iterate with test output or error messages when the first pass is incomplete.
How to prompt
Codex agents can work from issues to implementation across a repository.
Fix GitHub issue #247: add input validation to the signup form and write tests for edge cases.
Best output tips
- Include file paths, stack, and error output verbatim.
- Ask for tests or type checks when changing production code.
- Review every command before running destructive operations.
- Verify current plans and limits on the official Codex website.
Try this AI
Product Details
Pricing, features, limits and latest updates
Product Details
Pricing, features, limits and latest updates
Codex
Codex is OpenAI's AI coding agent for building software, integrated into ChatGPT and developer tools for autonomous coding, debugging, and repository tasks.
No listed price
Pricing Plans
No listed plans.
Key Features
Chat
chat workflow (openai.com).
Automation
automation workflow (openai.com).
Agents
agents workflow (openai.com).
Ideas / Prompt experiences
Share a prompt that worked for you. Username and email are shown with your submission. External links are not allowed.
Example prompt
Codebase migration
Prompt
Migrate this Express.js API to Fastify while preserving endpoint behavior and updating integration tests.
Short explanation
Agentic coding supports large refactors with test verification.
Share your experience
Required fields are marked. Variation, result, and explanation are optional.
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