Jest testing best practices for JavaScript and TypeScript applications, covering test structure, mocking, and assertion patterns.

Julia development guidelines covering multiple dispatch, type system, performance optimization, and scientific computing best practices.

Cloudflare Workers, Pages, KV, D1, R2, and Durable Objects development best practices for edge computing applications.

Guidelines for developing with Convex backend-as-a-service platform, covering queries, mutations, actions, and real-time data patterns

Bootstrap development guidelines for responsive layouts, components, and utility-first styling.

Agent skill for authentication - invoke with $agent-authentication

Describes PHP and Laravel guidelines provided by Spatie. These rules result in more maintainable, and readable code.

Poll AI-Trader heartbeat and notifications reliably through the primary pull-based mechanism.

Analyze recent changes and update affected architecture visualizations

Analyze recent changes and update affected architecture visualizations

Use this skill after implementation approval for an approved chat-only or task-file task. It governs implementation-time routing, canonical task updates, and the final review checkpoint.

Use when Code implementation and refactoring, architecturing or designing systems, process and workflow improvements, error handling and validation. Provide tehniquest to avoid over-engineering and apply iterative improvements.

Systematically add test coverage for all local code changes using specialized review and development agents. Add tests for uncommitted changes (including untracked files), or if everything is commited, then will cover latest commit.

Manage evidence freshness by identifying stale decisions and providing governance actions

Search the FPF knowledge base and display hypothesis details with assurance information

Tools are how AI agents interact with the world. A well-designed tool is the difference between an agent that works and one that hallucinates, fails silently, or costs 10x more tokens than necessary. This skill covers tool design from schema to error handling.

URLScan.io is a free service for scanning and analyzing suspicious URLs. It captures screenshots, DOM content, HTTP transactions, JavaScript behavior, and network connections of web pages in an isolat

Use when integrating crates or ecosystem questions. Keywords: E0425, E0433, E0603, crate, cargo, dependency, feature flag, workspace, which crate to use, using external C libraries, creating Python extensions, PyO3, wasm, WebAssembly, bindgen, cbindgen, napi-rs, cannot find, private, crate recommendation, best crate for, Cargo.toml, features, crate 推荐, 依赖管理, 特性标志, 工作空间, Python 绑定

Home base for development work. Navigate the work graph, see what's ready, blocked, or stalled, reflect on where the team is, and decide what to pick up next.