Systematic bug debugging methodology, root cause analysis, and fix verification. Use when investigating and fixing bugs. (project)

> **Skill Variant:** Use this skill for **quick bug triage and interactive debugging** with user feedback. For systematic autonomous debugging workflows with 4-phase protocol and verification gates, u

Structured bug fixing workflow with root cause analysis and regression prevention. Triggers: BF, 修 bug, fix bug, debug, 除錯, 錯誤, error, 問題, issue, 修復, fix, 故障, fault, 異常, exception, 失敗, failure, 不能用, broken, 壞掉.

Advanced diagnostic workflow for bug-fixer agent with mandatory Context7 MCP consultations, Chrome DevTools MCP integration, and systematic root cause analysis across all Clean Architecture layers.

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

Capture bug context, generate reports, and optionally create GitHub issues or share patterns

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bugfix-and-debug

通用 Bugfix 工作流知识库，包含 TDD 流程、输出格式规范、置信度评分标准和通用最佳实践。适用于所有技术栈（backend/frontend/e2e）。

'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.

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 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.

Generate social media posts for building in public, coding in public, or dev content creation. Activate when user mentions Twitter, X, BlueSky, LinkedIn, Instagram posts about coding, sharing progress, social media content for developers, or wants to share what they built.

Guide for building pMARS (Portable Memory Array Redcode Simulator) and similar software from Debian/Ubuntu source packages. Use this skill when tasks involve enabling source repositories, downloading distribution source packages, removing X11/GUI dependencies, modifying Makefiles, diagnosing segmentation faults, and building headless versions of applications. Applies to Core War simulators and similar legacy software with optional graphics support.

Build concise session context by extracting key information from project logs (CLAUDE.md, TASK_BOARD.md, MIGRATION_LOG.md, DEBUG_LOG.md, GIT_LOG.md, SKILLS_LOG.md) to provide token-efficient project status. Use when beginning work, returning after break, or needing quick project overview without reading full files.

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

Configure Vite for development and production builds. Use when setting up build pipelines, optimizing bundles, or configuring development servers.

builder-role-skill

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.

Use this skill when creating new Claude Code skills from scratch, editing existing skills to improve their descriptions or structure, or converting Claude Code sub-agents or slash commands to skills. This includes designing skill workflows, writing SKILL.md files, organizing supporting files with intention-revealing names, and leveraging CLI tools and appropriate scripting.

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.

Create markdown indexes of GitHub repositories optimized for Claude project knowledge. Indexes enable retrieval of source content (.md, .qmd, .ipynb) via GitHub API without parsing rendered HTML/CSS/J

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.

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.

Use when building AI agents with Google's Agent Development Kit (ADK). Triggers include creating ADK agents, Gemini-powered agents, multi-agent workflows, MCP integration with ADK, agent evaluation, workflow agents (Sequential/Parallel/Loop), Vertex AI deployment, or comparing OpenAI SDK with ADK. NOT when using other frameworks (OpenAI SDK, LangChain, CrewAI) or general LLM API calls.

Help users build effective AI applications. Use when someone is building with LLMs, writing prompts, designing AI features, implementing RAG, creating agents, running evals, or trying to improve AI output quality.

Produce an LLM Build Pack (prompt+tool contract, data/eval plan, architecture+safety, launch checklist). Use for building with LLMs, GPT/Claude apps, prompt engineering, RAG, and tool-using agents.

Build Kubernetes observability stacks with Prometheus, Grafana, OpenTelemetry, Jaeger, and Loki. Use when implementing metrics, tracing, logging, SRE practices, or cost engineering for cloud-native applications.

**Direct bash for loops are approximately 10x faster than sub-agents for bulk operations.**

Bundle size reduction strategies, icon optimization, tree-shaking, and performance analysis. Use when reducing bundle size or optimizing imports.

Reduce bundle size with splitting and compression.

Expert in bridging the gap between business needs and technical solutions. Specializes in Requirements Engineering, BPMN, and Agile User Stories. Use when gathering requirements, creating user stories, modeling business processes, or translating business needs to technical specs.

Business process analysis, requirements documentation, and workflow optimization for retail, supply chain, and technology organizations

Perform comprehensive competitor analysis for any business. Produces an executive-summary markdown report with target customer profile, market positioning, pricing/business model, product features, funding/company size, SWOT analysis, and competitive matrix. All findings are data-grounded. Use when the user asks to analyze competitors, understand competitive landscape, compare a business to alternatives, or perform market research.

Master business documentation including BRD, FRD, specifications, and technical documentation for clear communication and requirements management.

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Expert in Japanese business communication covering keigo, email etiquette, meeting protocols, and corporate culture nuances

Implement business logic with ActiveInteraction and AASM state machines. Routes to specialized skills for typed operations and state management.

Transform any boring B2B business problem into a complete software blueprint with architecture, database schema, feature breakdown, and step-by-step implementation plan formatted as a CLAUDE.md file ready for development.

Create detailed buyer personas and Ideal Customer Profiles (ICP) for B2B and B2C marketing. Generates comprehensive profiles with demographics, psychographics, pain points, goals, objections, and messaging strategies. Use when defining target audience, creating ICP, or developing customer profiles.

Beads Viewer - graph-aware triage engine for Beads issue tracker with 9 graph metrics (PageRank, betweenness, HITS, etc.), dependency-aware planning, and purpose-built robot protocol for AI agents.

Advanced memory and knowledge management workflows for Byterover MCP Server. Use when creating implementation reports with timelines, documenting features as PRDs, or syncing project documentation folders with automatic conflict resolution. Extends basic retrieve/store operations with structured workflows for documentation, analysis, and knowledge synthesis.

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Use when configuring project preferences in .c3/settings.yaml - diagram tools, layer guidance, guardrails, and handoff steps