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

Spring Boot 2 → 3 Migration Guide (Jakarta EE)

**/*.java

Production-safe step-by-step playbook to migrate Spring Boot 2.x to 3.x with Jakarta EE, Java 17, Spring Security 6, and Hibernate 6

java
spring-boot
spring-boot
java
+5
9
5403

TypeScript Error Handling

*.ts
↑ 1

Comprehensive error handling patterns for TypeScript applications

typescript
typescript
error-handling
+1
1
646

React Component Best Practices

*.tsx

Guidelines for creating maintainable and performant React components

typescript
react
react
typescript
+2
0
693

Python Docstring Standards

*.py

Write clear and consistent Python docstrings

python
python
documentation
+1
1
699

API Route Security

app/api/**/*.ts

Security best practices for Next.js API routes

typescript
nextjs
security
api
+2
0
708

WordPress Development — Copilot Instructions

Coding standards for wordpress.instructions

typescript
testing
security
+5
2
813

VueJS 3 Development Instructions

Coding standards for vuejs3.instructions

typescript
react
testing
security
+6
0
586

Update Code from Shorthand

Edit the code file ${REQUIRED_FILE}.

javascript
1
459

TypeScript MCP Server Development

Coding standards for typescript mcp server.instructions

typescript
express
testing
security
+5
0
538

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
3
588

Terraform Conventions

Coding standards for terraform.instructions

testing
security
+3
0
561

Terraform on SAP BTP – Best Practices & Conventions

Coding standards for terraform sap btp.instructions

javascript
express
testing
security
+2
1
392

Azure Terraform Best Practices

Coding standards for terraform azure.instructions

javascript
express
testing
security
+2
0
396

TaskSync V4 Protocol

Coding standards for tasksync.instructions

python
error-handling
database
1
435

Task Plan Implementation Instructions

Coding standards for task implementation.instructions

go
best-practices
documentation
+1
1
356

TanStack Start with Shadcn/ui Development Guide

Menu

typescript
react
testing
accessibility
+3
0
400

taming copilot.instructions

Coding standards for taming copilot.instructions

go
testing
performance
+3
0
368

Swift MCP Server Development Guidelines

Coding standards for swift mcp server.instructions

testing
best-practices
+2
0
401

Svelte 5 and SvelteKit Development Instructions

Coding standards for svelte.instructions

typescript
react
testing
security
+5
0
462

SQL Development

Coding standards for sql sp generation.instructions

security
best-practices
+3
3
350