Backend API development with Express, Zod validation, permissions, and security. Use when creating or modifying API endpoints, adding route handlers, implementing validation, or working with authentication/authorization.
Query and analyze production logs via BetterStack MCP. Use when diagnosing production issues, investigating errors, analyzing patterns, or monitoring system health.
Code quality standards, complexity management, and anti-over-engineering. Use when reviewing code, implementing features, or ensuring quality standards. Covers complexity limits, linting, and simplicity principles.
Documentation standards and decision criteria. Use when deciding whether to document, creating documentation, or maintaining existing docs. Covers significance thresholds, structure, and cross-referencing.
Git commit workflow and standards. Use when committing code, batching changes, or verifying builds before commits. Covers build verification, commit message format, and quality gates.
Debug local development issues by analyzing logs, checking processes, and diagnosing errors. Use when servers won't start, errors occur, or behavior is unexpected.
MCP (Model Context Protocol) tools for code intelligence, refactoring, browser automation, and external integrations. Use cclsp for refactoring, find references, rename symbols. Use Playwright for UI testing. Use GitHub MCP for PR operations.
Sub-agent delegation and parallel research patterns. Use when researching frameworks, analyzing codebases, or delegating discrete tasks to multiple sub-agents for maximum efficiency.