Developer utilities

Test formulas, generate types, and experiment with code.

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Test Power Apps formulas instantly with our interactive playground.

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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

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150
Total Instructions
3
Featured
8
Languages

Java Development

Coding standards for java.instructions

go
express
testing
performance
+2
1
123

Java 21 to Java 25 Upgrade Guide

Coding standards for java 21 to java 25 upgrade.instructions

go
express
testing
performance
+3
0
257

Java 17 to Java 21 Upgrade Guide

Coding standards for java 17 to java 21 upgrade.instructions

java
express
testing
performance
+2
1
301

Java 11 to Java 17 Upgrade Guide

Coding standards for java 11 to java 17 upgrade.instructions

javascript
express
testing
security
+3
0
176

Custom Instructions File Guidelines

Coding standards for instructions.instructions

typescript
react
testing
security
+5
0
349

Go Development Instructions

Coding standards for go.instructions

go
testing
security
+6
0
147

GitHub Actions CI/CD Best Practices

Coding standards for github actions ci cd best practices.instructions

javascript
express
testing
security
+5
0
144

Gilfoyle Code Review Instructions

Coding standards for gilfoyle code review.instructions

go
testing
security
+5
1
112

dotnet wpf.instructions

Coding standards for dotnet wpf.instructions

go
testing
performance
+2
0
130

.NET MAUI

Coding standards for dotnet maui.instructions

csharp
testing
security
+5
1
170

Upgrading from .NET MAUI 9 to .NET MAUI 10

⚠️ **Major Breaking Changes**:

go
testing
performance
+2
1
438

.NET Framework Development

Coding standards for dotnet framework.instructions

csharp
express
performance
best-practices
+1
0
135

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 — 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 — Error Handling & Troubleshooting Guide

Coding standards for dataverse python error handling.instructions

python
performance
best-practices
+3
0
112