1. Software Development

Provides Next.js 15 App Router patterns for creating routes, API endpoints, server components, and client components.

Reviews implementation plans for architectural issues, duplication risks, and completeness to ensure robust software design.

Executes test-first implementation of well-defined tasks, committing and pushing code without issue modification, acting as a coordinator subagent.

Automates git commit message generation adhering to Conventional Commits standards for consistent version control.

Provides reusable frontend patterns and best practices for React and Next.js, covering state management, performance optimization, and UI implementation.

Guides on clean code principles, refactoring, and code structure for improved maintainability and reliability in software development.

Executes project tests via X07 test harness and outputs machine-readable JSON test results.

Automates dead code removal and refactoring using static analysis tools to clean up unused code and duplicates in codebases.

Starts Budget Buddy FastAPI backend server on port 8000 with automatic CORS validation and error detection for development and debugging.

Fixes linting issues in X07 AST JSON using quickfixes or explicit JSON patches for code quality and consistency.

Backend framework for deterministic solve-world execution via x07-host-runner, using `x07 run` as the canonical entry point.

Enables seamless integration of Stripe payment processing, including checkout flows, webhooks, and subscription management for e-commerce and SaaS applications.

Delivers canonical reference documentation for X07 language and standard library, mirroring `x07 guide` output for end-user skill integration.

Enforces maintainable and testable code practices through MTE principles, refactoring guidance, and code review checklists.

Provides Tailwind CSS utilities for component styling, dark theme implementation, and theme management within the project's design system.

Manages Supabase database schema changes through migrations, including table creation, schema modifications, and RLS policy implementation.

Provides systematic debugging for code errors, failing tests, and broken flows with root cause analysis and minimal fixes.

Coordinates development workflow between implementers and reviewers, managing issues, creating worktrees, avoiding conflicts, and handling pull requests with CI monitoring.

Optimizes code for Cloudflare Workers' free tier, targeting 10ms CPU limits in API routes and serverless functions.

Enables adding new features and iterating on existing functionality within DevDocs projects, supporting feature requests and development tasks.

Generates ASCII and Mermaid diagrams to visualize system architecture during software design phase.

Generates UML diagrams including class, sequence, and use case diagrams for system architecture modeling.

Enforces consistent Git commit message formatting based on project conventions or Conventional Commits standard for clear version history.

Reviews pull request diffs for bugs, error handling gaps, security flaws, and API contract mismatches to ensure code quality before PR creation.