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

Power Apps Code Apps Development Instructions

Coding standards for power apps code apps.instructions

typescript
react
testing
security
+7
2
107

Power Apps Canvas Apps YAML Structure Guide

Coding standards for power apps canvas yaml.instructions

go
express
testing
performance
+3
5
627

playwright typescript.instructions

Coding standards for playwright typescript.instructions

typescript
testing
accessibility
+3
0
137

Playwright Python Test Generation Instructions

Coding standards for playwright python.instructions

python
testing
accessibility
+3
0
106

Playwright .NET Test Generation Instructions

Coding standards for playwright dotnet.instructions

go
testing
accessibility
+3
0
144

PHP MCP Server Development Best Practices

Coding standards for php mcp server.instructions

javascript
express
testing
performance
+5
1
89

Performance Optimization Best Practices

Coding standards for performance optimization.instructions

javascript
react
testing
security
+7
0
91

Manifest Schema Reference

Coding standards for pcf manifest schema.instructions

typescript
react
testing
best-practices
+1
0
91

PCF Community Resources

Coding standards for pcf community resources.instructions

go
react
testing
performance
+3
0
74

Code Components

**Note**: The definition and implementation of code components using Power Apps component framework is the same for both model-driven and canvas apps. The only difference is the configuration part.

typescript
best-practices
async
+1
0
72

Code Components for Canvas Apps

**Note**: Certain APIs might not be available in canvas apps. We recommend that you check each API to determine where it's available.

typescript
security
best-practices
+1
1
97

Best Practices and Guidance for Code Components

**Note**: Support for shared libraries across components using library nodes in the component manifest is not yet supported.

typescript
react
testing
security
+5
0
98

Power Apps Component Framework API Reference

Coding standards for pcf api reference.instructions

typescript
express
testing
security
+5
1
174

Code Generation Guidelines

Coding standards for nodejs javascript vitest.instructions

javascript
testing
best-practices
+3
0
69

Next.js Best Practices for LLMs (2025)

Coding standards for nextjs.instructions

typescript
react
testing
security
+7
0
91

Next.js + Tailwind Development Instructions

Coding standards for nextjs tailwind.instructions

typescript
react
testing
security
+5
0
100

NestJS Development Best Practices

Coding standards for nestjs.instructions

typescript
testing
security
+6
0
156

MS-SQL DBA Chat Mode Instructions

Coding standards for ms sql dba.instructions

testing
security
+4
0
85

MongoDB DBA Chat Mode Instructions

Coding standards for mongo dba.instructions

go
testing
security
+4
0
68

Memory Bank

Coding standards for memory bank.instructions

go
testing
performance
+4
1
95