Rules File
Code Generation Guidelines
Guidelines for writing Node.js and JavaScript code with Vitest testing
Coding & Development
Web and mobile apps, debugging, DevOps, security and more.
2,448 prompts
Rules File
Kubernetes Manifests Instructions
Best practices for Kubernetes YAML manifests including labeling conventions, security contexts, pod security, resource management, probes, and validation commands
Rules File
Microsoft Foundry Agents (Python) Instructions
Build agents with the Microsoft Foundry SDK (azure-ai-projects v2) in Python: versioned agents, the Responses/Conversations model, tools, and the SDK mistakes Copilot ma…
Rules File
LangChain Python Instructions
Instructions for using LangChain with Python
Rules File
MongoDB DBA Chat Mode Instructions
Instructions for customizing GitHub Copilot behavior for MONGODB DBA chat mode.
Rules File
Guidance for Localization
Guidelines for localizing markdown documents
Rules File
Project Context
Instructions for GitHub Copilot to generate code in a Moodle project context.
Rules File
LWC Development
Guidelines and best practices for developing Lightning Web Components (LWC) on Salesforce Platform.
Rules File
MS-SQL DBA Chat Mode Instructions
Instructions for customizing GitHub Copilot behavior for MS-SQL DBA chat mode.
Rules File
Makefile Development Instructions
Best practices for authoring GNU Make Makefiles
Rules File
Markdown Accessibility Review Guidelines
Markdown accessibility guidelines based on GitHub's 5 best practices for inclusive documentation
Rules File
Markdown Content Rules
Markdown guidelines and content creation standards for blog posts
Rules File
GitHub Flavored Markdown (GFM)
Markdown formatting for GitHub-flavored markdown (GFM) files
Rules File
CommonMark Markdown
Markdown formatting aligned to the CommonMark specification (0.31.2)
Rules File
MCP-based M365 Copilot Development Guidelines
Best practices for building MCP-based declarative agents and API plugins for Microsoft 365 Copilot with Model Context Protocol integration
Rules File
Kubernetes Deployment Best Practices
Comprehensive best practices for deploying and managing applications on Kubernetes. Covers Pods, Deployments, Services, Ingress, ConfigMaps, Secrets, health checks, reso…
Rules File
Memory Bank
Memory Bank pattern: persistent project documentation under a memory-bank/ folder so the AI can resume context across sessions.
Rules File
Custom Instructions File Guidelines
Guidelines for creating high-quality custom instruction files for GitHub Copilot
Rules File
IntelliJ IDEA Java and Kotlin Development
Guidance for Java and Kotlin development in IntelliJ IDEA with portable Gradle/Maven builds, safe IDE workflows, and CI-aligned validation.
Rules File
Java 11 to Java 17 Upgrade Guide
Comprehensive best practices for adopting new Java 17 features since the release of Java 11.
Rules File
Java 17 to Java 21 Upgrade Guide
Comprehensive best practices for adopting new Java 21 features since the release of Java 17.
Rules File
Java 21 to Java 25 Upgrade Guide
Comprehensive best practices for adopting new Java 25 features since the release of Java 21.
Rules File
JUnit 5 Assertions Best Practices
Standardizes JUnit 5 (Jupiter) assertions with best practices for performance, readability, and modern features (5.8+). Covers Supplier messages, assertAll, assertThrows…
Rules File
Java MCP Server Development Guidelines
Best practices and patterns for building Model Context Protocol (MCP) servers in Java using the official MCP Java SDK with reactive streams and Spring integration.