Developer Tools & Repos Agent Skills

Control a mobile (iOS) emulator / simulator stream from inside Orca using the `orca` CLI.

Control an Android emulator / device from inside Orca using the `orca` CLI.

Plan and execute large refactors with dependency-aware work packets and parallel analysis.

Design robust APIs with RESTful patterns, GraphQL schemas, versioning strategies, and error handling conventions.

Build production FastAPI applications with dependency injection, middleware, background tasks, and structured project layouts.

Designs location-based augmented reality experiences with geospatial anchoring, GPS integration, and real-world interactive overlays.

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through…

Architects cross-platform and native mobile applications, providing guidance on state management, navigation, and platform-specific best…

Build fault-tolerant systems with circuit breakers, retries with backoff, bulkheads, timeouts, and graceful degradation.

Trace how execution travels for one path — entry point through to the edges — to locate where behavior breaks.

Forces the AI to detect, confirm, and remember the host operating system before any command execution, file operation, or path construction.

Patterns for integrating OSC (Open Sound Control) protocol into a BitFocus Companion module using the `osc` npm package.

Manage package.json dependencies, scripts, and metadata with best practices.

Prevent destructive package operations by blocking --force flags and requiring human approval.

Apply when designing commands, lifecycle steps, or processing loops that run amid crashes, restarts, and retries.

Apply when introducing a new internal API while old callers still exist.

Apply when concurrent actors might write to the same file, branch, key, or state object.

Apply when designing types, reviewing a function signature, or writing code in any statically-typed language.

Provides comprehensive guidance for Express.js framework including routing, middleware, request handling, templating, and API development.

Choose Rust types for operating system paths across the Codex repository.

Investigate why code has its current shape using read-only repository history, issue tracking, user-scoped documents, observability, error…