Control LLM output with regex and grammars, guarantee valid JSON/XML/code generation, enforce structured formats, and build multi-step workflows with Guidance - Microsoft Research's constrained...

Data validation patterns including schema validation, input sanitization, output encoding, and type coercion. Use when implementing validate, validation, schema, form validation, API validation,...

Test Node.js applications with Jest including unit tests, integration tests, mocking, code coverage, and CI/CD integration

Prisma ORM patterns including Prisma Client usage, queries, mutations, relations, transactions, and schema management. Use when working with Prisma database operations or schema definitions.

Implement accessibility (a11y) best practices to make applications usable by everyone. Use when building UIs, conducting accessibility audits, or ensuring WCAG compliance. Covers screen readers,...

Test, debug, and explain regular expressions. Visualize matches, generate patterns from examples, and convert between regex flavors.

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Expert in WCAG 2.2 guidelines, keyboard navigation, screen reader support, and creating fully accessible interfaces

Generate OpenAPI documentation automatically from Salvo handlers. Use for API documentation, Swagger UI, and API client generation.

Prisma ORM patterns including Prisma Client usage, queries, mutations, relations, transactions, and schema management. Use when working with Prisma database operations or schema definitions.

Python language expertise for writing idiomatic, production-quality Python code. Covers web frameworks (FastAPI, Django, Flask), data processing (pandas, numpy, dask), ML patterns (sklearn,...

Guidelines for developing with TypeORM, a full-featured ORM for TypeScript and JavaScript supporting multiple databases

Stop throwing everywhere - handle errors as values using Either and TaskEither for cleaner, more predictable code

Use when building .NET 8/9 applications, ASP.NET Core APIs, Entity Framework Core, MediatR CQRS, modular monolith architecture, FluentValidation, Result pattern, JWT authentication, or any C#...

Build and configure the GTM tech stack - tool selection, integrations, and data flows that power prospecting, outbound, and analytics

Security patterns for web forms including autocomplete attributes for password managers, CSRF protection, XSS prevention, and input sanitization. Use when implementing authentication forms,...

Creates and maintains technical documentation including API docs, README files, architecture docs, changelogs, ADRs, and inline code comments. Handles all documentation needs from code-level...

Handle errors as values using fp-ts Either and TaskEither for cleaner, more predictable TypeScript code. Use when implementing error handling patterns with fp-ts.

Handle errors as values using fp-ts Either and TaskEither for cleaner, more predictable TypeScript code. Use when implementing error handling patterns with fp-ts.

Guides responsive UI development for phones, tablets, foldables, and desktop. Use when supporting multiple screen sizes, implementing adaptive layouts, handling foldable devices, or optimizing for...