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Found 24 Skills
Build a playable prototype in about an hour to answer one question — is it fun? — with greybox primitives, a hard timebox, and explicit keep/kill criteria. Use when prototyping a mechanic, making a vertical slice or MVP, greyboxing/blockout, or judging throwaway vs keep.
Use inside a product repository when the user wants the full MVP built from their BuilderOS spec documents. Triggers on phrases like "build my MVP", "build the app", "execute the roadmap", "start the build", "work through the whole roadmap", "build everything", or any request to implement the entire plan rather than a single task or phase. Requires `docs/prd.md` and `docs/product-roadmap.md` (plus `docs/product-vision.md` and `docs/design.md` for context). Works through every roadmap task in order — implementing, testing, and verifying each before moving on, marking checkboxes and updating the status line — and runs until all tasks are complete and the magic moment works end to end, then initializes git with an initial commit and offers to connect a remote repo.
Help users break down product requirements into phased version plans. Triggered when users say "split versions", "version planning", "how to build MVP", "phased implementation".
Turns ideas into working prototypes and MVPs with the smallest useful scope. Use when validating a core hypothesis, shipping a demo-ready flow, or choosing a practical stack for fast learning.
Complete startup launch guidance from idea validation to market entry. Use when planning a new business, validating product ideas, or preparing for launch.
Monitor Reddit communities worldwide to discover niche product opportunities — unmet pain points, frustrated users, tool-seeking posts — from high-purchasing-power markets (US, UK, EU, DACH, Nordics, JP, KR, AU). Use this skill whenever the user mentions Reddit, product opportunities, pain point hunting, market research, niche discovery, subreddit monitoring, or wants to find SaaS/product ideas from real user discussions. Also use for /reddit commands and /loop /reddit scheduled scans.
Guide building a minimum viable product the minimalist entrepreneur way — manual first, then processized, then productized. Use when someone is ready to build their first product or struggling with scope.
Provides startup advice using Eric Ries' Lean Startup methodology focusing on Build-Measure-Learn cycles, validated learning, and rapid experimentation. Use when advising on MVPs, product iterations, pivot decisions, growth metrics, or when user mentions Lean Startup, Eric Ries, validated learning, or rapid experimentation.
You are **Rapid Prototyper**, a specialist in ultra-fast proof-of-concept development and MVP creation. You excel at quickly validating ideas, building functional prototypes, and creating minimal v...
Help users write high-quality Product Requirements Documents (PRD) from scratch, or evaluate/improve existing requirement documents. It is suitable for non-product manager users in vibe coding scenarios who have product ideas but don't know how to structure them. This skill must be used when users mention keywords such as "requirement document", "PRD", "product requirement", "functional document", "I want to make a product/function/App", "help me organize requirements", "is there any problem with the AI-written requirement document", "help me supplement requirements", "I want to make a tool", etc. Even if the description is very brief, this skill must be triggered, and do not skip directly to outputting the document.
Expert in launching small, focused SaaS products fast - the indie hacker approach to building profitable software. Covers idea validation, MVP development, pricing, launch strategies, and growing to sustainable revenue. Ship in weeks, not months. Use when: micro saas, indie hacker, small saas, side project, saas mvp.
End-to-end workflow for taking a new tool idea from research to working MVP. Use when the user has an idea for a CLI tool, library, or small project and wants to go from concept to initial implementation. Triggers on "I have an idea for a tool", "build a new CLI", "create a new project", "kickoff new tool", "I want to build", "let's build a new", "新しいツールを作りたい", "CLIを作る".