1. Software Development

Provides architecture guidelines for Next.js 15+ App Router including component patterns, Zustand state management, and server actions.

Provides foundational iOS development guidelines using MVVM and Clean Architecture for screen implementation, feature development, navigation, animation, and testing.

Provides end-to-end flow examples integrating TanStack Form, Query, Router, and Start for complex frontend features.

Creates unit, integration, and end-to-end test code for Python/FastAPI backend applications, enhancing development efficiency.

Adds Python packages to FastAPI backend projects for both development and production environments.

Provides canonical deterministic concurrency patterns in X07, including defasync, task.*, and chan.bytes.* with strict determinism constraints.

Emits C code and header files for embedding X07 components in C/C++ projects via `x07 build --emit-c-header`.

Formats X07 AST JSON files to canonical standards, providing machine-readable verification reports for code consistency.

Enables development of features, bug fixes, and architecture decisions for the Rust TUI dotfile manager project (DotState).

Toolkit for testing and debugging local web applications using Playwright, including frontend functionality verification, UI debugging, and screenshot capture.

Provides scripts, templates, and best practices for creating and validating Copilot skills, streamlining AI assistant development workflows.

Generates production-ready interactive web components, dashboards, and landing pages using React, Tailwind CSS, and shadcn/ui.

Provides a structured workflow to resolve debugging challenges after repeated failed attempts, guiding systematic problem-solving for developers.

Standardizes Git commit, push, and PR workflow for consistent messages, safe operations, and automated checks.

Backend service for OS and sandboxed execution via x07-os-runner, with preferred command profiles for execution environments.

Adds npm packages to React/TypeScript frontend projects, supporting both development and production environments without npx-based tools.

Provides agent-first workflow and design rails for building X07 programs using a released toolchain, executed via `x07 run`.

Provides canonical streaming I/O patterns for X07 using standard libraries std.io and std.io.bufread with world adapters.

Manages X07 project dependencies and lockfiles for reproducible builds, supporting autonomous agent workflows.

Guides step-by-step creation of Model Context Protocol (MCP) servers, covering specification, implementation, testing, and deployment.

Automates safe database schema migrations with destructive operation detection, backups, and rollbacks to prevent data loss during DDL operations.

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

Enables multi-platform localization setup for iOS, Android, and Flutter, including text management and multilingual best practices.

Executes Playwright E2E tests with feature-based targeting across environments, and generates new test files for application verification.