Scaffolds new Buck2 projects with proper BUILD/PACKAGE files, SPDX headers, and depot shims. Use when creating new Rust binaries/libraries, Deno tools, or C++ projects in the monorepo. Ensures consistent structure and metadata from the start.

Runs common Buck2 queries for dependency analysis, target inspection, and build graph exploration. Use when investigating dependencies, finding reverse dependencies, filtering by rule type, or understanding target relationships in the monorepo.

This skill should be used when determining which Buck2 targets are affected by code changes for incremental builds and tests. Use this when users ask to test/build changed code, find affected targets, or run incremental workflows with jj revisions.

Comprehensive testing workflow that should be used proactively after ANY code changes. Covers immediate testing, recursive package validation with `...`, target determination for affected packages, and reverse dependency testing. Use this skill after modifying BUILD files, changing code, fixing tests, or before committing to ensure nothing breaks downstream. (project)

Create, manage, and optimize budgets for projects, departments, and organizations with variance tracking and scenario planning

Cannabis-specialized bartender — strains, terpenes, edibles, rolling

Target-agnostic bug bounty hunting methodology with parallel recon, systematic testing workflows, and vulnerability-specific exploitation guidance

Эксперт по bug bounty. Используй для поиска уязвимостей, написания отчётов, responsible disclosure и penetration testing.

Systematic debugging workflow for CircleTel - analyzes errors, identifies root causes, proposes fixes, and validates solutions with tests

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'Investigates and fixes bugs systematically with root cause analysis. Use when asked to debug, troubleshoot, fix a bug, investigate an issue, or find why something is broken. Creates reproduction tests and verifies fixes.'

State-of-the-art procedure for fixing bugs in software projects. Use this skill when a bug has been detected or declared by the user, agent, or another skill (not during early-stage work in progress). Enforces a disciplined test-driven approach - understand, reproduce experimentally, write failing tests, fix the code, and clean up.

Convert bug reports into prd.json user stories for autonomous fixing. Use after running test-and-break skill. Triggers on: convert bugs to stories, fix these bugs, add bugs to prd, create fix stories.

Build, run, and test the NovaTune .NET Aspire application

Reference for NixOS build, test, and flake commands. Use when asked about rebuilding, checking config, formatting, or flake operations.

Build Rust code with proper error handling and optimization for development, testing, and production. Use when compiling the self-learning memory project or troubleshooting build errors.

Use when building professional installers for desktop applications - covers macOS DMG with app bundles, Windows MSI with WiX, Linux DEB packages, GitHub Actions automation, and SLSA attestations

App build, code signing, TestFlight, and App Store distribution for all Apple platforms. Use when preparing releases, configuring signing, uploading to TestFlight, or submitting to App Store.

Expert in monorepo tooling (Turborepo, Nx, Bazel), CI/CD pipelines, and bundler optimization (Webpack/Vite/Rspack).

Expert build engineer specializing in build system optimization, compilation strategies, and developer productivity. Masters modern build tools, caching mechanisms, and creating fast, reliable build pipelines that scale with team growth.

Start a ghcid session to monitor the build. Use when working with Haskell projects, starting ghcid, checking build errors, or searching Haskell documentation with hoogle.

Build INAV firmware for specific hardware targets (flight controllers)

Build professional native iPhone apps in Swift with SwiftUI and UIKit. Full lifecycle development - build, debug, test, optimize, ship. CLI-focused workflow. Use when building iOS apps, adding features, debugging, testing, or optimizing iPhone applications.

build-jira-document-format

Build a kit and publish it to a locally hosted registry for development testing

Build professional native macOS apps in Swift with SwiftUI and AppKit. Full lifecycle development - build, debug, test, optimize, ship. CLI-focused workflow. Use when building macOS apps, adding features, debugging, testing, or optimizing Mac applications.

Validate a capability flow specification against the framework's schema constraints.

Guidance for compiling POV-Ray 2.2 (a 1990s-era ray tracing software) from source on modern Linux systems. This skill should be used when the task involves downloading, extracting, and building POV-Ray 2.2 or similar legacy/historical software that requires special handling for modern compiler compatibility.

Run local builds with proper environment setup. Use when building code locally to verify changes before pushing.

Build INAV SITL (Software In The Loop) firmware for testing without hardware

Manual invocation build specialist - handles compilation, packaging, and build system optimization

Build and test the LocalizeAR Swift project using build.sh scripts. Use this skill whenever building, testing, or cleaning the project. NEVER use xcodebuild or swift build directly - always use build.sh.

FAQ for diagnosing and resolving build and test failures

Build a variant using locally published kits for development validation

builder-role-skill

Workflow orchestration skill for builder ecosystem - repo analysis, SPEC creation, and generation workflows for skills, agents, and UV scripts

Best practices, patterns, and examples for building goal-driven agents. Includes pause/resume architecture, hybrid workflows, anti-patterns, and handoff to testing. Use when optimizing agent design.

Expert at creating and modifying Claude Code agents (subagents). Auto-invokes when the user wants to create, update, modify, enhance, validate, or standardize agents, or when modifying agent YAML frontmatter fields (especially 'model', 'tools', 'description'), needs help designing agent architecture, or wants to understand agent capabilities. Also auto-invokes proactively when Claude is about to write agent files (*/agents/*.md), create modular agent architectures, or implement tasks that involve creating agent components.

Builds AI chat interfaces and conversational UI with streaming responses, context management, and multi-modal support. Use when creating ChatGPT-style interfaces, AI assistants, code copilots, or conversational agents. Handles streaming text, token limits, regeneration, feedback loops, tool usage visualization, and AI-specific error patterns. Provides battle-tested components from leading AI products with accessibility and performance built in.

Builds, tests, and archives Swift packages and Xcode projects for Apple platforms. Use when running xcodebuild, swift build, or swift test commands, discovering schemes and targets, or selecting simulator destinations for iOS, macOS, tvOS, watchOS, or visionOS.

Constructs secure, efficient CI/CD pipelines with supply chain security (SLSA), monorepo optimization, caching strategies, and parallelization patterns for GitHub Actions, GitLab CI, and Argo Workflows. Use when setting up automated testing, building, or deployment workflows.

Use when building command-line interface tools; when choosing argument parsing libraries; when handling stdin/stdout/stderr patterns; when implementing subcommands; when tests for CLI apps fail or are missing

Expert at creating and modifying Claude Code slash commands. Auto-invokes when the user wants to create, update, modify, enhance, validate, or standardize slash commands, or when modifying command YAML frontmatter fields (especially 'model', 'allowed-tools', 'description'), needs help designing command workflows, or wants to understand command arguments and parameters. Also auto-invokes proactively when Claude is about to write command files (*/commands/*.md), or implement tasks that involve creating slash command components.

Use when creating reusable GitLab CI/CD configurations, building component catalog entries, or packaging pipeline templates for sharing - provides systematic guide following GitLab documentation to avoid missing required files, directory structure, input specifications, or testing/publishing configuration

Expert at creating and modifying Claude Code event hooks for automation and policy enforcement. Auto-invokes when the user wants to create, update, modify, enhance, validate, or standardize hooks, or when modifying hooks.json configuration, needs help with event-driven automation, or wants to understand hook patterns. Also auto-invokes proactively when Claude is about to write hooks.json files, or implement tasks that involve creating event hook configurations.

Expert at creating and managing Claude Code plugins that bundle agents, skills, commands, and hooks into cohesive packages. Auto-invokes when the user wants to create, structure, validate, or publish a complete plugin, or needs help with plugin architecture and best practices. Also auto-invokes proactively when Claude is about to create plugin directory structures, write plugin.json manifests, or implement tasks that involve bundling components into a plugin package.

Router for 3D building game mechanics in Three.js. Use when creating survival games, sandbox builders, base builders, or any game with player-constructed structures. Routes to 9 specialized skills for performance, physics, multiplayer, terrain, decay, UX, platform support, and design reference. Start here for building mechanics projects.

Use when creating new Claude Code skills, setting up marketplace repositories, or packaging skills for distribution - complete workflow from skill creation to marketplace publication

Expert at creating and modifying Claude Code skills. Auto-invokes when the user wants to create, update, modify, enhance, validate, or standardize skills, or when modifying skill YAML frontmatter fields (especially 'allowed-tools', 'description'), needs help designing skill architecture, or wants to understand when to use skills vs agents. Also auto-invokes proactively when Claude is about to write skill files (*/skills/*/SKILL.md), create skill directory structures, or implement tasks that involve creating skill components.

Guidelines for the Tour Card UI, the primary item in the tour grid. Use when building the tour browsing interface.