# GitHub Copilot Chat Cookbook Find examples of prompts to use with GitHub Copilot Chat. ## Spotlight * [Generating unit tests](/en/copilot/tutorials/copilot-chat-cookbook/testing-code/generate-unit-tests) Copilot Chat can help with generating unit tests for a function. (Image: /assets/images/copilot-landing/generating\_unit\_tests.png) * [Improving code readability and maintainability](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/improve-code-readability) Copilot Chat can suggest ways to make your code easier to understand and maintain. (Image: /assets/images/copilot-landing/improving\_code\_readability.png) * [Debugging invalid JSON](/en/copilot/tutorials/copilot-chat-cookbook/debug-errors/debug-invalid-json) Copilot Chat can identify and resolve syntax errors or structural issues in JSON data. (Image: /assets/images/copilot-landing/debugging\_invalid\_json.png) ## Links * [Creating templates](/en/copilot/tutorials/copilot-chat-cookbook/communicate-effectively/creating-templates) Copilot Chat can help you create templates to streamline your workflow and ensure consistency across your projects. * [Extracting information](/en/copilot/tutorials/copilot-chat-cookbook/communicate-effectively/extracting-information) Copilot Chat in GitHub can help you extract key information from issues and discussions. * [Synthesizing research](/en/copilot/tutorials/copilot-chat-cookbook/communicate-effectively/synthesizing-research) Copilot Chat can help you synthesize research findings and insights from multiple sources into a cohesive summary. * [Creating diagrams](/en/copilot/tutorials/copilot-chat-cookbook/communicate-effectively/creating-diagrams) GitHub Copilot Chat can help you create diagrams to better understand your data and communicate insights. * [Generating tables](/en/copilot/tutorials/copilot-chat-cookbook/communicate-effectively/generating-tables) Copilot Chat can help you create tables to organize information and present it clearly. * [Debugging invalid JSON](/en/copilot/tutorials/copilot-chat-cookbook/debug-errors/debug-invalid-json) Copilot Chat can identify and resolve syntax errors or structural issues in JSON data. * [Handling API rate limits](/en/copilot/tutorials/copilot-chat-cookbook/debug-errors/handle-api-rate-limits) Copilot Chat can help handle API rate limits by suggesting code that detects them and implements retry logic. * [Diagnosing test failures](/en/copilot/tutorials/copilot-chat-cookbook/debug-errors/diagnose-test-failures) Copilot Chat can help you understand why a test is failing and suggest how to fix it. * [Exploring potential feature implementations](/en/copilot/tutorials/copilot-chat-cookbook/analyze-functionality/explore-implementations) Copilot Chat can help explore different approaches for implementing a single feature. * [Analyzing and incorporating user feedback](/en/copilot/tutorials/copilot-chat-cookbook/analyze-functionality/analyze-feedback) Copilot Chat can enhance the process of incorporating user feedback into your project. * [Improving code readability and maintainability](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/improve-code-readability) Copilot Chat can suggest ways to make your code easier to understand and maintain. * [Fixing lint errors](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/fix-lint-errors) Copilot Chat can suggest ways to fix issues identified by a code linter. * [Refactoring for performance optimization](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/refactor-for-optimization) Copilot Chat can suggest ways to speed up slow-running code. * [Refactoring for environmental sustainability](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/refactor-for-sustainability) Copilot Chat can suggest ways to make code more environmentally friendly. * [Refactoring to implement a design pattern](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/refactor-design-patterns) Copilot Chat can suggest design patterns that you can use to improve your code. * [Refactoring data access layers](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/refactor-data-access-layers) Copilot Chat can suggest ways to decouple your data access code from your business logic, making an application easier to maintain and scale. * [Decoupling business logic from UI components](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/decouple-business-logic) Copilot Chat can help you separate your business logic from your user interface code, making it easier to maintain and scale your application. * [Handling cross-cutting concerns](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/handle-cross-cutting) Copilot Chat can help you avoid code that relates to a concern other than the core concern of the method or function in which the code is located. * [Simplifying complex inheritance hierarchies](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/simplify-inheritance-hierarchies) Copilot Chat can help you to refactor code to avoid classes with multiple layers of inheritance. * [Fixing database deadlocks or data integrity issues](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/fix-database-deadlocks) Copilot Chat can help you avoid code that causes slow or blocked database operations, or tables with missing or incorrect data. * [Translating code to a different programming language](/en/copilot/tutorials/copilot-chat-cookbook/refactor-code/translate-code) Copilot Chat can help you rewrite code to perform the same operations but in a different programming language. * [Creating issues](/en/copilot/tutorials/copilot-chat-cookbook/document-code/creating-issues) Copilot Chat can help you quickly create issues without filling out every field manually. * [Documenting legacy code](/en/copilot/tutorials/copilot-chat-cookbook/document-code/document-legacy-code) Copilot Chat can help with documenting legacy code. * [Explaining legacy code](/en/copilot/tutorials/copilot-chat-cookbook/document-code/explain-legacy-code) Copilot Chat can help with explaining unfamiliar code. * [Explaining complex algorithms or logic](/en/copilot/tutorials/copilot-chat-cookbook/document-code/explain-complex-logic) Copilot Chat can help add clear and concise documentation on complex algorithms or logic. * [Syncing documentation with code changes](/en/copilot/tutorials/copilot-chat-cookbook/document-code/sync-documentation) Copilot Chat can help with keeping code documentation up-to-date. * [Writing discussions or blog posts](/en/copilot/tutorials/copilot-chat-cookbook/document-code/write-discussions-or-blog-posts) Copilot Chat can help you generate ideas, outline, or draft discussions or blog posts. * [Generating unit tests](/en/copilot/tutorials/copilot-chat-cookbook/testing-code/generate-unit-tests) Copilot Chat can help with generating unit tests for a function. * [Creating mock objects to abstract layers](/en/copilot/tutorials/copilot-chat-cookbook/testing-code/create-mock-objects) Copilot Chat can help with creating mock objects that you can use for unit tests. * [Creating end-to-end tests for a webpage](/en/copilot/tutorials/copilot-chat-cookbook/testing-code/create-end-to-end-tests) Copilot Chat can help with generating end-to-end tests. * [Updating unit tests to match code changes](/en/copilot/tutorials/copilot-chat-cookbook/testing-code/update-unit-tests) Copilot Chat can help with updating your tests. * [Securing your repository](/en/copilot/tutorials/copilot-chat-cookbook/analyze-security/secure-your-repository) Copilot Chat can help you to secure your repository and your code. * [Managing dependency updates](/en/copilot/tutorials/copilot-chat-cookbook/analyze-security/manage-dependency-updates) Copilot Chat can help you get set up with Dependabot to streamline dependency updates. * [Finding existing vulnerabilities in code](/en/copilot/tutorials/copilot-chat-cookbook/analyze-security/find-vulnerabilities) Copilot Chat can help find common vulnerabilities in your code and suggest fixes.