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

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150
Total Instructions
3
Featured
8
Languages

VueJS 3 Development Instructions

Coding standards for vuejs3.instructions

typescript
react
testing
security
+6
0
424

TypeScript MCP Server Development

Coding standards for typescript mcp server.instructions

typescript
express
testing
security
+5
0
412

TypeScript Development

These instructions assume projects are built with TypeScript 5.x (or newer) compiling to an ES2022 JavaScript baseline. Adjust guidance if your runtime requires older language targets or down-level transpilation.

typescript
express
testing
security
+6
2
405

TanStack Start with Shadcn/ui Development Guide

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typescript
react
testing
accessibility
+3
0
280

Swift MCP Server Development Guidelines

Coding standards for swift mcp server.instructions

testing
best-practices
+2
0
284

Rust Coding Conventions and Best Practices

Coding standards for rust.instructions

rust
testing
performance
+5
1
308

Rust MCP Server Development Best Practices

Coding standards for rust mcp server.instructions

javascript
testing
security
+5
1
248

ReactJS Development Instructions

Coding standards for reactjs.instructions

typescript
react
testing
security
+7
0
176

Python MCP Server Development

Coding standards for python mcp server.instructions

python
fastapi
testing
security
+5
0
203

Power Apps Code Apps Development Instructions

Coding standards for power apps code apps.instructions

typescript
react
testing
security
+7
2
160

playwright typescript.instructions

Coding standards for playwright typescript.instructions

typescript
testing
accessibility
+3
0
194

Playwright .NET Test Generation Instructions

Coding standards for playwright dotnet.instructions

go
testing
accessibility
+3
0
224

Performance Optimization Best Practices

Coding standards for performance optimization.instructions

javascript
react
testing
security
+7
0
132

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
108

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
143

oqtane.instructions

Coding standards for oqtane.instructions

csharp
testing
security
+4
0
103

Code Generation Guidelines

Coding standards for nodejs javascript vitest.instructions

javascript
testing
best-practices
+3
0
103

Next.js Best Practices for LLMs (2025)

Coding standards for nextjs.instructions

typescript
react
testing
security
+7
0
143

NestJS Development Best Practices

Coding standards for nestjs.instructions

typescript
testing
security
+6
0
202

LangChain Python Instructions

Note: Not all parameters are implemented by every provider. Always consult the provider integration docs.

python
testing
security
+5
0
345