# yuusakuri > Open-source publisher. Listings imported from github.com/yuusakuri — credited to the original author with their license. - **Listings:** 20 - **Total installs:** 0 - **Profile:** https://agentstack.voostack.com/s/yuusakuri - **Website:** https://github.com/yuusakuri ## Published listings - [Growth Loops](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-growth-loops) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-growth-loops` A Claude skill from yuusakuri/agent-skills. - [Dummy Dataset](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-dummy-dataset) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-dummy-dataset` A Claude skill from yuusakuri/agent-skills. - [Interview Me](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-interview-me) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-interview-me` Extracts what the user actually wants instead of what they think they should want. Achieves this through one-question-at-a-time interview until ~95% confidence about the underlying intent. Use when an ask is underspecified ("build me X" without "for whom" or "why now"), when the user explicitly invokes ("interview me", "grill me", "are we sure?", "stress-test my thinking"), or when you catch your… - [Brainstorm Ideas New](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-brainstorm-ideas-new) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-brainstorm-ideas-new` A Claude skill from yuusakuri/agent-skills. - [Discover Interview Synthesis](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-discover-interview-synthesis) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-discover-interview-synthesis` Synthesizes user research interviews into actionable insights, patterns, and recommendations. Use after conducting user interviews, customer calls, or usability sessions to extract and communicate findings across participants. Distinct from summarize-meeting, which summarizes one internal meeting for its attendees; this skill aggregates research conversations into evidence-backed findings. - [Discover Competitive Analysis](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-discover-competitive-analysis) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-discover-competitive-analysis` Creates a structured competitive analysis comparing features, pricing, and positioning across 3-5 direct and indirect competitors, with a 2x2 map and actionable strategic recommendations. Use before entering a market, planning differentiation, or after losing deals. For market size rather than competitor positioning, use discover-market-sizing instead. - [Define Problem Statement](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-define-problem-statement) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-define-problem-statement` A Claude skill from yuusakuri/agent-skills. - [Deliver Acceptance Criteria](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-deliver-acceptance-criteria) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-deliver-acceptance-criteria` Generates structured Given/When/Then acceptance criteria for a user story or feature slice, covering the happy path, key failure scenarios, and non-functional expectations in testable form. Use when turning requirements into verifiable scenarios for engineering handoff and QA sign-off. For a dedicated catalog of boundary conditions, error states, and recovery paths across a feature, use deliver-e… - [Develop Solution Brief](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-develop-solution-brief) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-develop-solution-brief` Creates a concise one-page solution overview that communicates the proposed approach, key decisions, and trade-offs. Use when pitching solutions to stakeholders, aligning teams on approach, or documenting solution intent before detailed specification. - [Ansoff Matrix](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-ansoff-matrix) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-ansoff-matrix` Generate an Ansoff Matrix analysis mapping growth strategies across market penetration, market development, product development, and diversification. Use when considering growth options, planning market expansion, or evaluating strategic growth paths. - [Business Model](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-business-model) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-business-model` Generate a Business Model Canvas with all 9 building blocks. Use when creating a business model, documenting how a business creates value, or analyzing an existing business model. - [Define Hypothesis](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-define-hypothesis) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-define-hypothesis` Defines a testable hypothesis with clear success metrics and a validation approach. Use when forming assumptions to test or aligning a team on what success looks like, before any experiment is designed. To design the A/B test or experiment that will validate the hypothesis, use measure-experiment-design. - [Define Opportunity Tree](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-define-opportunity-tree) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-define-opportunity-tree` Creates an opportunity solution tree connecting a desired outcome to customer opportunities and candidate solutions, preventing solution-first jumps in continuous discovery. Use when structuring scattered feature ideas or communicating how the roadmap traces to outcomes. For ranking an existing flat list of candidates, use prioritization-frameworks instead; this skill discovers the list, it does… - [Discover Market Sizing](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-discover-market-sizing) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-discover-market-sizing` Estimate market opportunity (TAM, SAM, SOM) using multiple sizing frameworks (top-down, bottom-up, comparable company, analogous market). Triangulates across frameworks, highlights where they converge and diverge as signal, and produces a calibrated range with source-graded confidence labels. Refuses unbounded fabrications; always offers a labeled lower-confidence path when data is thin. Used for… - [Deliver Edge Cases](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-deliver-edge-cases) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-deliver-edge-cases` Documents edge cases, error states, boundary conditions, race conditions, and recovery paths for a feature - the systematic catalog of what can go wrong and the failure modes to design for. Use during specification to map the failure surface and ensure comprehensive coverage, or during QA planning to identify boundary and limit scenarios to test. Distinct from deliver-acceptance-criteria, which w… - [Document Architecture](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-document-architecture) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-document-architecture` Coauthor, restructure, and quality-review formal system documents with a single canonical outline and traceable decisions. Use when creating or revising a requirements definition, technical specification, basic design, detailed design, system proposal, or business proposal. Default to GitHub-Flavored Markdown; create Word only when explicitly requested. Route PRDs, ADRs, unresolved technical choi… - [Intended Vs Implemented](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-intended-vs-implemented) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-intended-vs-implemented` The method for finding the gap between what a system is supposed to do and what the code actually does — the class of bug generic scanners miss because they have no model of intent. Defines what counts as documented intent, what counts as implementation evidence, which mismatches matter, and how to avoid hand-wavy findings. Use when auditing AI-built code, reviewing access control against documen… - [Deliver Prd](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-deliver-prd) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-deliver-prd` Creates a comprehensive Product Requirements Document that aligns stakeholders on what to build, why, and how success will be measured. Use when specifying features, epics, or product initiatives for engineering handoff. - [Grammar Check](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-grammar-check) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-grammar-check` A Claude skill from yuusakuri/agent-skills. - [Define Jtbd Canvas](https://agentstack.voostack.com/l/skill-yuusakuri-agent-skills-define-jtbd-canvas) — Skill · Free · security-reviewed — `agentstack add skill-yuusakuri-agent-skills-define-jtbd-canvas` Creates a Jobs to be Done canvas capturing the functional, emotional, and social dimensions of a customer job. Use when deeply understanding customer motivations, designing for jobs, or reframing product positioning. --- Seller on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Install any with `agentstack add `.