Developer utilities

Test formulas, generate types, and experiment with code.

Power Fx Playground

Test Power Apps formulas instantly with our interactive playground.

JSON → TypeScript generator

Convert JSON into TypeScript interfaces instantly with our free generator.

JS → TypeScript converter

Convert JavaScript to TypeScript. (Coming soon)

Copilot Instructions

Comprehensive coding standards and best practices that apply to specific file patterns

Contribute on GitHub
150
Total Instructions
3
Featured
8
Languages

DDD Systems & .NET Guidelines

Coding standards for dotnet architecture good practices.instructions

go
express
testing
security
+6
0
123

DevOps Core Principles

Coding standards for devops core principles.instructions

rust
testing
security
+5
0
115

Dev Box image definitions

[!NOTE]

javascript
express
testing
security
+6
0
130

Microsoft 365 Declarative Agents Development Guidelines

Coding standards for declarative agents microsoft365.instructions

typescript
testing
security
+4
0
586

Dataverse SDK for Python — Testing & Debugging Strategies

Coding standards for dataverse python testing debugging.instructions

python
testing
performance
+3
0
159

Dataverse SDK for Python — Official Quickstart

Coding standards for dataverse python sdk.instructions

python
testing
0
127

Dataverse SDK for Python — Performance & Optimization Guide

Coding standards for dataverse python performance optimization.instructions

python
testing
performance
+3
0
143

Dataverse SDK for Python - Pandas Integration Guide

Coding standards for dataverse python pandas integration.instructions

python
testing
performance
+3
0
142

Dataverse SDK for Python - Best Practices Guide

Coding standards for dataverse python best practices.instructions

python
express
testing
security
+5
0
146

Dataverse SDK for Python — Authentication & Security Patterns

Coding standards for dataverse python authentication security.instructions

python
testing
security
+4
0
144

Dataverse SDK for Python — API Reference Guide

Coding standards for dataverse python api reference.instructions

python
express
testing
error-handling
+2
0
135

Dataverse SDK for Python - Advanced Features Guide

Coding standards for dataverse python advanced features.instructions

python
react
testing
performance
+2
0
120

Dart and Flutter

There are many options to handle state-management, and ultimately the decision comes down to personal preference.

javascript
express
testing
best-practices
+5
0
155

C# Development

Coding standards for csharp.instructions

rust
express
testing
security
+6
0
118

C# MCP Server Development

Coding standards for csharp mcp server.instructions

cpp
testing
security
+4
0
144

Convert Spring JPA project to Spring Data Cosmos

Coding standards for convert jpa to spring data cosmos.instructions

java
react
testing
security
+2
0
291

Containerization & Docker Best Practices

Coding standards for containerization docker best practices.instructions

javascript
flask
testing
security
+5
0
134

Collections Development

Coding standards for collections.instructions

javascript
testing
best-practices
0
111

Codexer Instructions

Coding standards for codexer.instructions

python
testing
security
+6
0
137

Generic Code Review Instructions

**Customization Tip**: Change to your preferred language by replacing "English" with "Portuguese (Brazilian)", "Spanish", "French", etc.

typescript
react
testing
security
+6
0
171