Developer Tools & Repos Agent Skills

Build a device driver or protocol handler — I2C sensors, BLE services, MQTT clients, SPI peripherals with interrupt-driven I/O and clean…

Rebuild an existing thing from scratch — same purpose, but better and self-made.

Build a Proof of Concept (PoC) to validate technical feasibility and retire architectural risks

Use when a coding agent must design, scaffold, implement, or verify an iOS or macOS SwiftUI interface with Apple-platform state…

Generate or adapt a local-first Buildable web prototype from an app spec, archetype, UI pattern, design playbook, or golden template.

Build professional command-line interfaces in Python, Go, and Rust using modern frameworks like Typer, Cobra, and clap.

Builds and refactors Phaser 3 browser games.

Use when building, modifying, or polishing any feature in an s&box game project through the Claude Bridge — gameplay systems, UI panels…

Build scalable WebSocket servers for real-time bidirectional communication.

Bump Agentforce SDK versions for iOS and Android in this React Native project.

Bump iOS and Xcode versions in Eigen. Use when the user wants to upgrade iOS SDK version, update Xcode version, change simulator version…

Use when creating OpenAPI specs for Bun.js APIs, integrating with Apidog, documenting endpoints with schemas, or automating API…

Bun

Use when building C# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps.

Use when c systems programming including file I/O, processes, signals, and system calls for low-level system interaction.

Next.js 16 Cache Components - PPR, use cache directive, cacheLife, cacheTag, updateTag

Analyzes PHP code for caching opportunities and issues.

Run source-bound Call of Cthulhu 7e investigations through SagaSmith MCP.

Write conventional commit messages with type, scope, and subject when the user wants to commit changes or save work.

Stream, video frames, photo capture, resolution/frame rate configuration

This skill should be used when creating a new Daggerheart campaign, establishing world tone and themes, selecting or building a campaign…