[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"extension-skill-refoundai-measuring-product-market-fit-nl":3,"guides-for-refoundai-measuring-product-market-fit":229,"similar-k177j28s7wj13t1cbr9rtw60f1866rqb":230},{"_creationTime":4,"_id":5,"children":6,"community":7,"display":9,"evaluation":20,"identity":185,"isFallback":190,"parentExtension":191,"providers":192,"relations":197,"repo":199,"workflow":226},1778053730743.96,"k177j28s7wj13t1cbr9rtw60f1866rqb",[],{"reviewCount":8},0,{"description":10,"installMethods":11,"name":12,"sourceUrl":13,"tags":14},"Help users assess and achieve product-market fit. Use when someone is trying to determine if they have PMF, measuring user engagement and retention, running the Sean Ellis survey, or figuring out if they should scale or keep iterating.",{},"Measuring Product-Market Fit","https://github.com/refoundai/lenny-skills/tree/HEAD/skills/measuring-product-market-fit",[15,16,17,18,19],"product-market-fit","product-management","startup","growth","strategy",{"_creationTime":21,"_id":22,"extensionId":5,"locale":23,"result":24,"trustSignals":174,"workflow":183},1778053975687.1365,"kn7avz0wtqtb3v7xw0kbqxr1s5866j7e","en",{"checks":25,"evaluatedAt":164,"extensionSummary":165,"promptVersionExtension":166,"promptVersionScoring":167,"rationale":168,"score":169,"summary":170,"tags":171,"targetMarket":172,"tier":173},[26,31,34,37,41,44,49,53,56,59,63,67,71,74,77,80,83,86,89,93,97,101,106,110,113,116,119,123,126,129,132,135,138,142,145,148,151,154,157,161],{"category":27,"check":28,"severity":29,"summary":30},"Practical Utility","Problem relevance","pass","The description clearly states the problem of assessing and achieving product-market fit, and names specific scenarios like measuring user engagement and running the Sean Ellis survey.",{"category":27,"check":32,"severity":29,"summary":33},"Unique selling proposition","The skill provides a structured framework and curated insights from product leaders on product-market fit, offering value beyond a generic prompt by distilling complex concepts into actionable steps.",{"category":27,"check":35,"severity":29,"summary":36},"Production readiness","The skill provides a comprehensive set of guidelines, frameworks, and questions to help users assess and achieve product-market fit, covering the core lifecycle of this product management task.",{"category":38,"check":39,"severity":29,"summary":40},"Scope","Single responsibility principle","The skill focuses exclusively on the domain of product-market fit, offering related concepts and questions but not straying into unrelated product management tasks like engineering or sales.",{"category":38,"check":42,"severity":29,"summary":43},"Description quality","The description is concise, readable, and accurately reflects the skill's purpose of helping users assess and achieve product-market fit by providing frameworks and guidance.",{"category":45,"check":46,"severity":47,"summary":48},"Invocation","Scoped tools","not_applicable","This skill does not expose specific tools; its functionality is conversational and knowledge-based, relying on the LLM's ability to process the provided markdown content.",{"category":50,"check":51,"severity":47,"summary":52},"Documentation","Configuration & parameter reference","The skill does not have configurable parameters or external configurations; its operation is based on the provided markdown content.",{"category":38,"check":54,"severity":47,"summary":55},"Tool naming","This skill does not expose user-facing tools or commands, so tool naming conventions do not apply.",{"category":38,"check":57,"severity":47,"summary":58},"Minimal I/O surface","As this skill is knowledge-based and conversational, it does not have a defined I/O surface in terms of tool parameters or response shapes.",{"category":60,"check":61,"severity":29,"summary":62},"License","License usability","The repository includes a standard MIT license file, making the code and content usable and redistributable.",{"category":64,"check":65,"severity":47,"summary":66},"Maintenance","Commit recency","The provided context does not include commit history for this specific skill's directory, making it impossible to assess recency.",{"category":68,"check":69,"severity":47,"summary":70},"Security","Secret Management","The skill is knowledge-based and does not handle or expose any secrets.",{"category":68,"check":72,"severity":29,"summary":73},"Injection","The skill is a static markdown file and does not load or execute any third-party data or files, mitigating injection risks.",{"category":68,"check":75,"severity":29,"summary":76},"Transitive Supply-Chain Grenades","The skill does not fetch remote content or execute external scripts, thus avoiding transitive supply-chain risks.",{"category":68,"check":78,"severity":29,"summary":79},"Sandbox Isolation","As a knowledge-based skill, it does not interact with the file system or perform operations outside its scope, ensuring sandbox isolation.",{"category":68,"check":81,"severity":29,"summary":82},"Sandbox escape primitives","The skill does not contain any executable code or scripts, so it cannot have sandbox escape primitives.",{"category":68,"check":84,"severity":29,"summary":85},"Data Exfiltration","The skill is purely informational and does not make any outbound calls or reference any confidential data.",{"category":68,"check":87,"severity":29,"summary":88},"Hidden Text Tricks","The bundled content (SKILL.md and references/guest-insights.md) is clean, readable markdown without any hidden steering tricks.",{"category":90,"check":91,"severity":29,"summary":92},"Hooks","Opaque code execution","The skill is composed of markdown files and does not involve any opaque code execution.",{"category":94,"check":95,"severity":29,"summary":96},"Portability","Structural Assumption","The skill makes no assumptions about the user's project structure; it provides knowledge and guidance to be applied conceptually.",{"category":98,"check":99,"severity":47,"summary":100},"Trust","Issues Attention","Issue data is not available for this specific skill, only for the overall repository.",{"category":102,"check":103,"severity":104,"summary":105},"Versioning","Release Management","info","A version field is not present in the SKILL.md frontmatter or package.json for this specific skill, and no GitHub releases or CHANGELOG are provided for this skill's directory.",{"category":107,"check":108,"severity":47,"summary":109},"Code Execution","Validation","This skill is knowledge-based and does not execute code or process structured input that requires validation.",{"category":68,"check":111,"severity":29,"summary":112},"Unguarded Destructive Operations","The skill is purely informational and does not perform any destructive operations.",{"category":107,"check":114,"severity":47,"summary":115},"Error Handling","There is no executable code in this skill, so error handling checks are not applicable.",{"category":107,"check":117,"severity":47,"summary":118},"Logging","This skill does not perform any actions that require logging.",{"category":120,"check":121,"severity":29,"summary":122},"Compliance","GDPR","The skill is informational and does not process any personal data.",{"category":120,"check":124,"severity":29,"summary":125},"Target market","The skill discusses product-market fit concepts applicable globally, without specific regional constraints, and the `targetMarket` field is appropriately set to 'global'.",{"category":94,"check":127,"severity":29,"summary":128},"Runtime stability","The skill is a markdown document and has no runtime dependencies or assumptions about specific operating systems or shells.",{"category":45,"check":130,"severity":29,"summary":131},"Precise Purpose","The skill's purpose is clearly stated in the description and frontmatter, naming the artifact (product-market fit) and the user intent (assess and achieve).",{"category":45,"check":133,"severity":29,"summary":134},"Concise Frontmatter","The frontmatter is concise and effectively summarizes the skill's core capability and use cases.",{"category":50,"check":136,"severity":29,"summary":137},"Concise Body","The SKILL.md body is well-structured, under 500 lines, and delegates deeper material to a separate file.",{"category":139,"check":140,"severity":29,"summary":141},"Context","Progressive Disclosure","The skill properly uses progressive disclosure by embedding detailed guest insights in a separate `references/guest-insights.md` file.",{"category":139,"check":143,"severity":47,"summary":144},"Forked exploration","The skill is knowledge-based and does not involve deep exploration or code review, making `context: fork` not applicable.",{"category":27,"check":146,"severity":29,"summary":147},"Usage examples","The skill provides concrete questions to ask users, demonstrating practical application of the concepts discussed.",{"category":27,"check":149,"severity":29,"summary":150},"Edge cases","The skill outlines common mistakes to flag, addressing potential failure modes and limitations in assessing PMF.",{"category":107,"check":152,"severity":47,"summary":153},"Tool Fallback","This skill does not rely on external tools like an MCP server; its functionality is self-contained within the markdown content.",{"category":94,"check":155,"severity":29,"summary":156},"Stack assumptions","The skill is a markdown document and has no stack assumptions or runtime requirements beyond a markdown interpreter.",{"category":158,"check":159,"severity":29,"summary":160},"Safety","Halt on unexpected state","This is a knowledge-based skill; there is no executable code or state to halt.",{"category":94,"check":162,"severity":29,"summary":163},"Cross-skill coupling","The skill is self-contained and does not implicitly rely on other skills, with related skills being explicitly cross-referenced.",1778053844562,"This skill provides a structured framework, actionable questions, and curated insights from product leaders to help users understand and achieve product-market fit. It breaks down complex concepts like retention curves, customer pull, and the Sean Ellis survey into practical guidance.","2.0.0","3.4.0","This skill is excellent. It is well-documented, focused, and provides actionable insights. The use of a separate reference file for detailed content exemplifies good structure. The only minor point is the lack of explicit versioning within the skill's metadata, which is common for standalone markdown skills.",98,"A comprehensive skill for assessing and achieving product-market fit, distilled from expert insights.",[15,16,17,18,19],"global","verified",{"codeQuality":175,"collectedAt":176,"documentation":177,"maintenance":179,"security":180,"testCoverage":182},{},1778053834190,{"descriptionLength":178,"readmeSize":8},235,{},{"hasNpmPackage":181,"smitheryVerified":181},false,{"hasCi":181,"hasTests":181},{"updatedAt":184},1778053975687,{"githubOwner":186,"githubRepo":187,"locale":23,"slug":188,"type":189},"refoundai","lenny-skills","measuring-product-market-fit","skill",true,null,{"extract":193,"llm":196},{"commitSha":194,"license":195},"280a57aa42fed3b6f35f51f0d9e71013b4c8ae74","MIT",{"promptVersionExtension":166,"promptVersionScoring":167,"score":169,"targetMarket":172,"tier":173},{"repoId":198},"kd71b12s61d3nrk4f6dxqd3z35865mkg",{"_creationTime":200,"_id":198,"identity":201,"providers":203,"workflow":223},1777995558409.8545,{"githubOwner":186,"githubRepo":187,"sourceUrl":202},"https://github.com/refoundai/lenny-skills",{"discover":204,"github":208},{"sources":205},[206,207],"skills-sh","vskill",{"closedIssues90d":8,"forks":209,"license":195,"openIssues90d":8,"pushedAt":210,"readmeSize":211,"stars":212,"topics":213},105,1769825583000,15888,767,[214,215,216,217,218,219,220,16,221,222],"ai-agents","ai-assistant","claude","claude-code","lenny-rachitsky","llm","pm-tools","skills","product-skills",{"discoverAt":224,"extractAt":225,"githubAt":225,"updatedAt":225},1777995558409,1778053735146,{"anyEnrichmentAt":227,"extractAt":228,"githubAt":227,"llmAt":184,"updatedAt":184},1778053732694,1778053730744,[],[231,251,270,291,311,338],{"_creationTime":232,"_id":233,"community":234,"display":235,"identity":243,"providers":245,"relations":249,"workflow":250},1778053730743.9756,"k17epa4vc6har7m5nt1w6zpvwn867jtd",{"reviewCount":8},{"description":236,"installMethods":237,"name":238,"sourceUrl":239,"tags":240},"Help users decide when and how to pivot their startup. Use when someone is questioning their current direction, seeing poor traction, considering a major strategy change, or stuck in the pre-PMF stage.",{},"Startup Pivoting","https://github.com/refoundai/lenny-skills/tree/HEAD/skills/startup-pivoting",[17,241,19,16,242],"business","pivot",{"githubOwner":186,"githubRepo":187,"locale":23,"slug":244,"type":189},"startup-pivoting",{"extract":246,"llm":247},{"commitSha":194,"license":195},{"promptVersionExtension":166,"promptVersionScoring":167,"score":248,"targetMarket":172,"tier":173},95,{"repoId":198},{"anyEnrichmentAt":227,"extractAt":228,"githubAt":227,"llmAt":184,"updatedAt":184},{"_creationTime":252,"_id":253,"community":254,"display":255,"identity":263,"providers":265,"relations":268,"workflow":269},1778053730743.979,"k17ankm6haqjsr9fs3hpyxvwhs8679ve",{"reviewCount":8},{"description":256,"installMethods":257,"name":258,"sourceUrl":259,"tags":260},"Help users apply the working backwards methodology. Use when someone is defining a new product, writing a PR/FAQ, planning from a future state, or trying to clarify a product's value proposition before building.",{},"Working Backwards","https://github.com/refoundai/lenny-skills/tree/HEAD/skills/working-backwards",[16,19,261,262],"pr-faq","methodology",{"githubOwner":186,"githubRepo":187,"locale":23,"slug":264,"type":189},"working-backwards",{"extract":266,"llm":267},{"commitSha":194,"license":195},{"promptVersionExtension":166,"promptVersionScoring":167,"score":169,"targetMarket":172,"tier":173},{"repoId":198},{"anyEnrichmentAt":227,"extractAt":228,"githubAt":227,"llmAt":184,"updatedAt":184},{"_creationTime":271,"_id":272,"community":273,"display":274,"identity":283,"providers":285,"relations":289,"workflow":290},1778053730743.9805,"k172p2mthkx7wbq29sb4hvhx2s867af5",{"reviewCount":8},{"description":275,"installMethods":276,"name":277,"sourceUrl":278,"tags":279},"Help users write effective PRDs. Use when someone is documenting product requirements, preparing specs for engineering, writing feature briefs, or defining what to build for their team.",{},"Writing PRDs","https://github.com/refoundai/lenny-skills/tree/HEAD/skills/writing-prds",[16,280,281,282,19],"documentation","prds","writing",{"githubOwner":186,"githubRepo":187,"locale":23,"slug":284,"type":189},"writing-prds",{"extract":286,"llm":287},{"commitSha":194,"license":195},{"promptVersionExtension":166,"promptVersionScoring":167,"score":288,"targetMarket":172,"tier":173},96,{"repoId":198},{"anyEnrichmentAt":227,"extractAt":228,"githubAt":227,"llmAt":184,"updatedAt":184},{"_creationTime":292,"_id":293,"community":294,"display":295,"identity":304,"providers":306,"relations":309,"workflow":310},1778053730743.9663,"k177k3h9hcm005zmnrdybbz5ts8677vp",{"reviewCount":8},{"description":296,"installMethods":297,"name":298,"sourceUrl":299,"tags":300},"Help users design and optimize pricing strategies. Use when someone is setting prices for the first time, considering freemium vs paid models, optimizing monetization, dealing with willingness to pay questions, or transitioning between pricing models.",{},"Pricing Strategy","https://github.com/refoundai/lenny-skills/tree/HEAD/skills/pricing-strategy",[301,19,302,16,303],"pricing","monetization","llm-skill",{"githubOwner":186,"githubRepo":187,"locale":23,"slug":305,"type":189},"pricing-strategy",{"extract":307,"llm":308},{"commitSha":194,"license":195},{"promptVersionExtension":166,"promptVersionScoring":167,"score":288,"targetMarket":172,"tier":173},{"repoId":198},{"anyEnrichmentAt":227,"extractAt":228,"githubAt":227,"llmAt":184,"updatedAt":184},{"_creationTime":312,"_id":313,"community":314,"display":315,"identity":324,"providers":328,"relations":332,"workflow":334},1778053622473.6448,"k176n8y76dbfh6a3c6yjaxqt398675s1",{"reviewCount":8},{"description":316,"installMethods":317,"name":318,"sourceUrl":319,"tags":320},"Diagnose competitive product analysis state and guide through systematic market evaluation. Use when analyzing a product category, building feature comparisons, understanding competitive landscape, building personas, or deciding build vs. buy. Routes to 6 interconnected frameworks based on current analysis state.",{},"Product Analysis","https://github.com/jwynia/agent-skills/tree/HEAD/skills/development/architecture/product-analysis",[321,16,19,322,323],"analysis","competitive-analysis","market-evaluation",{"githubOwner":325,"githubRepo":326,"locale":23,"slug":327,"type":189},"jwynia","agent-skills","product-analysis",{"extract":329,"llm":331},{"commitSha":330,"license":195},"e02ec7e226a6e4f8419fd3b88a1d8e472d421b32",{"promptVersionExtension":166,"promptVersionScoring":167,"score":248,"targetMarket":172,"tier":173},{"repoId":333},"kd7efn3mprpa8rd8vm5hw5ebzx864fph",{"anyEnrichmentAt":335,"extractAt":336,"githubAt":335,"llmAt":337,"updatedAt":337},1778053625386,1778053622473,1778054012696,{"_creationTime":339,"_id":340,"community":341,"display":342,"identity":350,"providers":352,"relations":355,"workflow":356},1778053730743.978,"k1718weed1nrh4c05b8pmg0ygs86788z",{"reviewCount":8},{"description":343,"installMethods":344,"name":345,"sourceUrl":346,"tags":347},"Help users design effective product onboarding. Use when someone is creating first-user experiences, trying to improve activation rates, designing the first 30 seconds of product usage, or working on the path to the aha moment.",{},"User Onboarding","https://github.com/refoundai/lenny-skills/tree/HEAD/skills/user-onboarding",[16,348,349,19,280],"onboarding","user-experience",{"githubOwner":186,"githubRepo":187,"locale":23,"slug":351,"type":189},"user-onboarding",{"extract":353,"llm":354},{"commitSha":194,"license":195},{"promptVersionExtension":166,"promptVersionScoring":167,"score":248,"targetMarket":172,"tier":173},{"repoId":198},{"anyEnrichmentAt":227,"extractAt":228,"githubAt":227,"llmAt":184,"updatedAt":184}]