Product & Planning

majiayu000 Bundle

Use when transforming Linear features into detailed Behaviour specifications, creating mini-PRDs, or preparing features for implementation. Covers Three Amigos analysis, 8-section mini-PRD template, and human approval gates.

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REQ-aware Product Owner for backlog and sprint management with full traceability. Use for sprint planning, backlog prioritization, or converting REQs to INVEST stories.

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Validate a PRD against standards. Use when the user says "validate this PRD" or "run PRD validation"

majiayu000 Bundle

This skill should be used when the user asks to "brainstorm a feature", "create a PRD", "write a solution design", "plan a new initiative", "start a new project", "ideate on a feature", "brainstorm and build", "go from idea to implementation", or when System 3 needs to drive the complete ideation → PRD → SD → worktree → autonomous TDD pipeline.

majiayu000 Bundle

User story mapping for backlog management and outcome-based prioritization. Load during Phase 2.5 (User Story Mapping) to produce story-map.md and prioritization.md.

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Converts high-level product intent into traceable PRDs and User Stories. Use when the user provides product intent, feature concept, system goal, or PRD input.

majiayu000 Bundle

This skill should be used when the user asks about "feedback loops", "iterate on requirements", "continuous documentation", "refine requirements", "update requirements", "requirements changed", "stakeholder review", "validate requirements", "incorporate feedback", "gather feedback", "requirements review meeting", "backlog refinement feedback", "user research findings", "sprint retrospective feedback", "help me gather feedback", "run a feedback session", "get input on my vision", "get input on my epics", "get input on my stories", "collect user feedback", "document feedback from meeting", "review requirements with stakeholders", or when they need guidance on collecting and incorporating feedback throughout the requirements lifecycle.

majiayu000 Bundle

Capture an out-of-scope improvement opportunity so it doesn't get lost. Use when the user asks to "note improvement", "save improvement", "track this for later", "remember this improvement", "note this idea", "log improvement", "backlog this", or "park this idea". Also invoke proactively when noticing something improvable during work that falls outside the current task's scope — briefly mention it to the user and offer to note it.

majiayu000 Bundle

Manage backlog items - capture ideas, defer non-urgent tasks, and keep active work focused

majiayu000 Bundle

Hunt fintech-specific GraphQL vulnerabilities: money-movement mutations (transfers, redemptions, withdrawals, card top-ups), ledger/balance/portfolio query IDOR, decimal-precision and rounding abuse, idempotency-key bypass enabling double-spend, KYC/PII field-level authorization gaps, and admin-override mutations reachable via mass assignment. Distinct from hunt-graphql, which owns generic GraphQL discovery and IDOR/mutation methodology — this skill owns the delta introduced when a GraphQL layer sits in front of a ledger, wallet, payments, banking, brokerage, or lending backend, where a resolver bug moves real money instead of just leaking data. Use when hunting a fintech, banking, payments, wallet, neobank, brokerage, or lending target that exposes a GraphQL API, or when a schema/response includes balance, transfer, ledger, redeem, quote, KYC, or account-linking fields.

majiayu000 Bundle

Use the installed web CTF tooling for endpoint discovery, fuzzing, and automated SQL injection workflows. Use when Codex needs `sqlmap`, `gobuster`, `ffuf`, `dirb`, or `wfuzz`, and when full installs may also include manual Burp or ZAP steps.

majiayu000 Bundle

Test APIs against OWASP API Security Top 10 including discovery, auth abuse, and protocol-specific checks.

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Bootstraps the agent to check for applicable vibe-engineering skills before every action. Loads at conversation start for skill discovery.

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Use when coordinating handoffs between workflows (e.g., skill-editor to programming-pm). Provides universal handoff schema v3.0, validation rules, distributed tracing conventions, and workflow discovery via frontmatter metadata.

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This skill should be used when generating a detailed implementation plan from an existing PRD and codebase research. It synthesizes requirements with codebase context into actionable, bite-sized TDD tasks suitable for junior developers.

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Deploy optimized AI/ML inference workloads on GKE using Google's Inference Quickstart (GIQ). Covers model discovery, manifest generation, and deployment using native MCP tools and CLI.

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Run comprehensive agent-native architecture review with scored principles. Audits a codebase against 8 agent-native architecture principles (Action Parity, Tools as Primitives, Context Injection, Shared Workspace, CRUD Completeness, UI Integration, Capability Discovery, Prompt-Native Features) by launching parallel sub-agents and producing a scored report. Use when the user wants to evaluate how agent-friendly their architecture is, or audit specific principles. Triggers on: 'agent native audit', 'architecture review', 'how agent-friendly is this', or /dk-agent-native-audit.

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Specialized literature review skill with review discovery, deep targeted research (15-30 papers per section), recency surveys, and convergence tracking for comprehensive literature reviews

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Produces prioritized triage report from open GitHub issues, PRs, and discussions. Use when reviewing community backlog.

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Shipping Data Analyst Expert - Rate Preparation Intelligence v5.0 Purpose: Analyze prospect shipping data to UNDERSTAND their operations BEFORE creating Xparcel rates. Mental Model: This is DISCOVERY, not selling. Learn their world before proposing solutions. Triggers on: "shipping analysis", "PLD analysis", "rate prep", "shipping data", "freightclub", "shipstation export", "analyze shipping", "weight distribution", "zone analysis" Use when: Customer provides shipping data export and you need to understand their profile for rate creation.

majiayu000 Bundle

项目管理里程碑跟踪器（Project Milestone Tracker）——当用户要求代理在代码库/项目会话中规划、跟踪里程碑、记录承诺或事件、生成进度报告时使用。核心：三层里程碑规则（文件依据/客户提供/待确认）+ 原话+时间戳事件记录。Project milestone tracker: plan and track project milestones, record events with original text + timestamp, generate status reports, using a three-tier milestone rule (contract-sourced / stakeholder-stated / pending-confirmation).

majiayu000 Bundle

Use before stakeholder meetings - generates 1-page executive summary from latest PM outputs.

majiayu000 Bundle

Deploy and orchestrate Vertex AI ADK agents using A2A protocol. Manages AgentCard discovery, task submission, Code Execution Sandbox, and Memory Bank. Use when asked to "deploy ADK agent" or "orchestrate agents". Trigger with phrases like 'deploy', 'infrastructure', or 'CI/CD'.

majiayu000 Bundle

Use this skill when creating or refining Claude Code sub-agent definitions. Helps design specialized AI assistants with proper YAML frontmatter, system prompts, tool access, and example-driven descriptions. Automatically invoked when user requests "create an agent", "design a sub-agent", "make a specialist", or mentions agent development. Ensures agents follow Anthropic best practices with focused responsibilities, discovery-optimized descriptions, and proper tool restrictions.

majiayu000 Bundle

Using BDD to validate architectural hypotheses in TMNL. Covers H1/H2/H3 hypothesis patterns from testbeds, connecting specs to acceptance criteria, and damage reports for antipattern discovery. EDIN-aligned experimentation.

majiayu000 Bundle

Expert in codebase archaeology and documentation retrieval. Use this when starting new project phases, refactoring large modules, or integrating new frameworks.

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Guide Socratic discovery of research questions and analytical approaches for text corpus analysis

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Orchestrate PRD creation, task generation, and gated task processing with user confirmations between phases.

majiayu000 Bundle

Efficient documentation discovery, interpretation, and explanation methodology for technical projects. Use when explaining system architecture, design rationale, implementation patterns, or integrating multiple documentation sources (text docs, code comments, diagrams, test descriptions). Provides strategies for navigating large documentation sets, extracting design intent, cross-referencing multiple sources, and synthesizing comprehensive explanations.

majiayu000 Bundle

PRDに基づいて機能設計書を作成するスキル。docs/prd.md が存在する場合に、システム構成、データモデル、コンポーネント設計、アルゴリズム設計等を含む機能設計書を作成します。「機能設計書を作成して」「PRDから設計書を作って」「functional design を書いて」等のリクエストで使用してください。

majiayu000 Bundle

operationalizes GitHub Projects (V2) as a dynamic roadmap system. Defines field taxonomy, "Triage" protocols, and synchronizes Strategy (Roadmap) with Execution (Issues).

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Distinguish between "polite interest" and "genuine market pull" during product discovery. Use this when validating a new startup idea, evaluating a potential pivot, or testing a high-stakes feature.

majiayu000 Bundle

**v1.0 AGENTIC PIPELINE**: 6단계 에이전틱 아이디어 팩토리! 프로젝트분석→카테고리분류→아이디어기획(병렬)→기획팀장→PRD개발팀장→CTO최종결정. 4team-review 통합, 상위 0.001% 전문가 수준 기획문서 자동 생성.

majiayu000 Bundle

Guide for creating Opportunity Solution Trees (OST) for pre-PMF startups. Use when discussing product discovery, problem validation, customer research, or when helping startups identify problems worth solving. Use for queries about OST framework, problem-solution mapping, or validating product ideas.

majiayu000 Bundle

Automatically capture recurring patterns discovered in the codebase during exploration. This skill logs implicit conventions, architectural patterns, and coding practices that are followed consistently but not formally documented. Use this proactively when you observe patterns that could become explicit standards.

majiayu000 Bundle

Use when stakeholders pressure you to change technical priorities and you're tempted to compromise on security-first or call it synthesis - enforces risk-based prioritization over stakeholder preferences