API Design Agent Skills

Use Apex enums for closed-set dispatch and routing, with safe valueOf conversion, exhaustiveness checks, and managed-package considerations.

Creates, assigns, and checks custom permissions to gate feature access across Salesforce contexts including validation rules, Apex, Flow, Visualforce, and Connected Apps.

Interact with GitHub repositories using the gh CLI to check pull request status, list workflow runs, view logs, and query the GitHub API with JSON output.

Builds a Streamlit and FastAPI RAG application that lets users upload documents and query them with natural language through LM Studio.

Provides 43 prioritized best-practice rules for using Zod in TypeScript, covering schema definition, parsing, type inference, error handling, composition, refinements, and performance.

Guides the creation of high-quality MCP servers that let LLMs interact with external services through well-designed tools, covering planning, implementation, testing, and evaluation.

Generates frontend source code and a PR description from BA, TechLead, PM, and BE artifacts, following a level-based implementation plan.

Designs system architecture, selects technology stack, creates ERDs and sequence diagrams, and records ADRs from BA artifacts, declaring a design freeze gate.

Guides backend development across API design, authentication, databases, performance, security, scalability, and testing, with quick decision guides and defaults for production-ready systems.

Convierte especificaciones aprobadas en un plan técnico detallado, documentando decisiones de arquitectura, flujo de datos y cambios de archivos.

Designs scalable GraphQL APIs with schema design, DataLoader for N+1 prevention, and Apollo Client caching, while avoiding common anti-patterns.

Build full-stack web applications with SvelteKit, covering file-based routing, SSR, SSG, API routes, and form actions.

Design consistent REST APIs with resource naming, status codes, pagination, filtering, error responses, versioning, and rate limiting.

Provides production-grade NestJS architecture patterns covering modules, controllers, providers, DTO validation, guards, interceptors, exception filters, configuration, and testing for TypeScript backends.

Provides production-oriented patterns for building FastAPI services, covering async endpoints, dependency injection, Pydantic schemas, OpenAPI customization, testing, and security best practices.

Build and manage Trigger.dev v4 background jobs: durable TypeScript tasks, scheduled/cron jobs, waits, Realtime, React hooks, and the Management API, with live docs fetched first.

Creates or modifies agent tools for OpenAI Agents SDK, covering search, analysis, API integration, and database query patterns with caching and metrics.

Implements or verifies the six-layer type safety chain from Drizzle schema through Zod, services, API routes, and React hooks, including regeneration after DB changes and bootstrapping in new folders.

Scaffold and develop AI agents using OpenAI Agents SDK patterns, covering agent definition, tools, guardrails, handoffs, context, RAG pipelines, streaming, API routes, testing, and debugging.

Scaffold, test, document, and debug REST and GraphQL APIs from the command line, including curl testing, OpenAPI spec generation, mocking, and troubleshooting.

Provides curl commands for making HTTP requests, testing APIs, and transferring files, including authentication, headers, cookies, and response handling.

Designs command-line interface parameters and UX, including arguments, flags, subcommands, help text, output formats, error messages, exit codes, prompts, config/env precedence, and safe/dry-run behavior.

Guides Go developers in building production-ready gRPC services, covering proto organization, server/client implementation, error handling, streaming, testing, and security best practices.

Build and manage Convex backends: schema design, TypeScript functions, real-time subscriptions, auth, file storage, scheduling, and deployment.

Explains how to define and use tools with the Claude API, including tool schemas, tool choice, and server-side tools for code execution and web search.

Generates frontend source code files and a PR description from BA, TechLead, PM, and BE artifacts, following a level-based implementation plan.

Guides backend development across API design, authentication, security, performance, architecture, and testing, with decision guides and defaults for production-ready systems.

Designs bounded contexts, creates domain models, uses aggregates, and implements value objects for complex domain logic.

Design clean REST APIs with proper resource modeling, HTTP methods, pagination, versioning, and OpenAPI documentation.

Designs API gateway architecture and implements routing, authentication, rate limiting, transformation, caching, logging, and circuit breaking.

Designs application architecture, selects patterns, structures code modules, and manages dependencies for new projects.

Provides design patterns and architectural approaches for implementing and integrating browser APIs in software projects.

Explains MariaDB Connector/J JDBC driver behavior: auto-registration, URL schemes, prepared statement handling, batch inserts, transactions, fetch sizes, pooling, and failover. Use when writing or reviewing Java code that talks to MariaDB with the mariadb-java-client driver.

Adds the MariaDB JDBC driver to a build, configures connection URLs and datasources, and sets up TLS with the correct sslMode and certificate options.

Explains MariaDB Connector/R2DBC specifics for writing reactive Java code: URL scheme, placeholder binding, lazy execution, consume-once results, transactions, pooling, and error handling.

Generates multiple radically different interface designs for a module, compares them, and synthesizes the best approach.