[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M71EN4N8WTJ3YR4MN78KWEJM":3,"skill-same:01M71EN4N8WTJ3YR4MN78KWEJM":66},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":16,"categories":17,"keywords":18,"publishedAt":39,"linkOnly":40,"markdownContent":41,"markdownBody":42,"frontMatter":43,"refName":44,"commitSha":45,"skillDirectory":46,"forksCount":14,"repositoryHtmlUrl":47,"repositoryHomepageUrl":6,"ownerHtmlUrl":48,"ownerBlogUrl":49,"ownerDescription":50,"updatedAt":51,"install":52,"resources":65},"01M71EN4N8WTJ3YR4MN78KWEJM","principle-explain-the-number",null,"Apply before you trust, report, or act on a number you measured: a speedup, a regression, a throughput, a latency, or an eval result. Find what limits it, and rule out that it measured something other than the work you think.","patinaproject\u002Fskills","patinaproject","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F229996889?v=4","01M71E58JKTDNY1138WYZK44TR","Patina Project","01M71E58K5GH4K16MV6A8BQ6NZ",1,"MIT","https:\u002F\u002Fgithub.com\u002Fpatinaproject\u002Fskills\u002Fblob\u002Fmain\u002Fplugins\u002Fcode\u002Fskills\u002Fprinciple-explain-the-number\u002FSKILL.md",[],[19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38],"principle explain the number","explain","number","limits","report","result","apply","you","throughput","it","rule","false","act","latency","trust","think","eval","find","work","regression","2026-11-10 10:12:30",false,"---\nname: principle-explain-the-number\ndescription: \"Apply before you trust, report, or act on a number you measured: a speedup, a regression, a throughput, a latency, or an eval result. Find what limits it, and rule out that it measured something other than the work you think.\"\nuser-invocable: false\n---\n\n# Explain the Number\n\nA measured number is a claim about a system. Before you trust it, report it, or act on it, find what limits it and rule out that it measured something else.\n\n**Why:** A run that went wrong still prints a plausible number. Requests that failed, a cache that skipped the work, code that never ran, a side left on default settings, and run-to-run noise all produce results that look fine. If you cannot say why the number is not twice as good, you do not know what you measured.\n\n**Pattern:**\n\n- **Ask \"why not double?\"** Name the resource or code path that bounds the result, such as a core, a lock, the disk, the network, or the load generator itself. Get it from a profile or from system counters taken during a run, then map it to source. A guess from reading the code is not a limiter.\n- **List what else the number could be measuring, and rule out each one with evidence.** The usual suspects are errors, skipped or cached work, an untuned side, noise, and a piece too small to matter end to end.\n- **Keep the evidence with the number.** Put the run count, the spread, and the limiter in the notes or a linked artifact, so a reader can check the claim.\n\nFor a performance number, run the full procedure with the [benchmark-checklist](..\u002Fbenchmark-checklist\u002FSKILL.md) skill. For an eval result, ask the same of the trials: did every run do the task, does the gap hold across trials and models, and does the scenario matter.\n\nYou skipped this when the evidence behind a number has no run count, no spread, or no named limiter, or when the time saved is larger than the time the changed piece took.\n\nDistinct from [Prove It Works](..\u002Fprinciple-prove-it-works\u002FSKILL.md), which checks that an output is real. This checks that a measured number means what you say it means.\n","# Explain the Number\n\nA measured number is a claim about a system. Before you trust it, report it, or act on it, find what limits it and rule out that it measured something else.\n\n**Why:** A run that went wrong still prints a plausible number. Requests that failed, a cache that skipped the work, code that never ran, a side left on default settings, and run-to-run noise all produce results that look fine. If you cannot say why the number is not twice as good, you do not know what you measured.\n\n**Pattern:**\n\n- **Ask \"why not double?\"** Name the resource or code path that bounds the result, such as a core, a lock, the disk, the network, or the load generator itself. Get it from a profile or from system counters taken during a run, then map it to source. A guess from reading the code is not a limiter.\n- **List what else the number could be measuring, and rule out each one with evidence.** The usual suspects are errors, skipped or cached work, an untuned side, noise, and a piece too small to matter end to end.\n- **Keep the evidence with the number.** Put the run count, the spread, and the limiter in the notes or a linked artifact, so a reader can check the claim.\n\nFor a performance number, run the full procedure with the [benchmark-checklist](..\u002Fbenchmark-checklist\u002FSKILL.md) skill. For an eval result, ask the same of the trials: did every run do the task, does the gap hold across trials and models, and does the scenario matter.\n\nYou skipped this when the evidence behind a number has no run count, no spread, or no named limiter, or when the time saved is larger than the time the changed piece took.\n\nDistinct from [Prove It Works](..\u002Fprinciple-prove-it-works\u002FSKILL.md), which checks that an output is real. This checks that a measured number means what you say it means.\n",{"name":5,"description":7,"user-invocable":40},"main","e6ee720f466a8344a52abd87679191fadde3b63f","plugins\u002Fcode\u002Fskills\u002Fprinciple-explain-the-number","https:\u002F\u002Fgithub.com\u002Fpatinaproject\u002Fskills","https:\u002F\u002Fgithub.com\u002Fpatinaproject","https:\u002F\u002Fwww.patinaproject.com","The best way to pick your next pair of boots or shoes.","2026-11-12 00:44:02",{"source":8,"skillName":5,"commands":53,"prompt":63,"zipAvailable":64},[54,57,60],{"tool":55,"command":56},"npx","npx skills add patinaproject\u002Fskills --skill principle-explain-the-number",{"tool":58,"command":59},"bunx","bunx skills add patinaproject\u002Fskills --skill principle-explain-the-number",{"tool":61,"command":62},"pnpm","pnpm dlx skills add patinaproject\u002Fskills --skill principle-explain-the-number","安装技能，技能地址：https:\u002F\u002Fgithub.com\u002Fpatinaproject\u002Fskills\u002Fblob\u002Fmain\u002Fplugins\u002Fcode\u002Fskills\u002Fprinciple-explain-the-number\u002FSKILL.md",true,[],[67,75,106,118,141,164],{"skillNo":68,"name":69,"nameZh":6,"description":70,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":71,"categories":72,"keywords":73,"publishedAt":74},"01M72KDQJR99954NE224VB3KZ2","code-review","Review the changes since a fixed point (commit, branch, tag, or merge-base) along five axes: Standards (does the code follow this repo's documented coding standards?), Spec (does the code match what the originating issue\u002Fspec asked for?), Evidence (does each claim in the pull request have evidence that shows it?), Bugs (does the changed code have logic errors, unhandled states, races, or regressions?), and Security (does the change open injection, auth, secret, input, or CI workflow holes?). Runs the reviews in parallel sub-agents, tags every finding Important, Nit, or Pre-existing, and reports them side by side with what blocks merge. Given an earlier reviewed head and its findings, it reviews only the newer commits, rechecks the earlier findings, and never repeats one. Use when the user wants to review a branch, a PR, work-in-progress changes, or asks to \"review since X\".","https:\u002F\u002Fgithub.com\u002Fpatinaproject\u002Fskills\u002Fblob\u002Fmain\u002Fplugins\u002Fcode\u002Fskills\u002Fcode-review\u002FSKILL.md",[],[],"2026-11-10 22:39:42",{"skillNo":76,"name":77,"nameZh":6,"description":78,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":79,"categories":80,"keywords":91,"publishedAt":39},"01M71ESEDVHD9EXN6787XHP7HD","writing-for-pstack","Write or tighten an operator prompt for a patina-mode run. Use when the operator asks to write, revise, or review a prompt that will be passed to patina-mode.","https:\u002F\u002Fgithub.com\u002Fpatinaproject\u002Fskills\u002Fblob\u002Fmain\u002Fplugins\u002Fwork\u002Fskills\u002Fwriting-for-pstack\u002FSKILL.md",[81,86],{"categoryNo":82,"categoryName":83,"taxonomyType":84,"taxonomyTypeDesc":85},"01JBSEEDCAT000000000000018","写作与文案","SCENARIO","使用场景",{"categoryNo":87,"categoryName":88,"taxonomyType":89,"taxonomyTypeDesc":90},"01JBSEEDCAT000000000000036","内容创作者","PROFESSION","适用职业",[92,93,94,95,96,97,98,99,100,101,102,103,104,105],"for","pstack","writing","writing for pstack","review","run","mode","write","operator","use","tighten","prompt","when","revise",{"skillNo":107,"name":108,"nameZh":6,"description":109,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":110,"categories":111,"keywords":114,"publishedAt":39},"01M71ESCJ0SSJFFENF8HYDKBTJ","writing-for-agents","Writing documents for agents. Use when creating or editing skills, or modifying AGENTS.md or CLAUDE.md.","https:\u002F\u002Fgithub.com\u002Fpatinaproject\u002Fskills\u002Fblob\u002Fmain\u002Fplugins\u002Fwork\u002Fskills\u002Fwriting-for-agents\u002FSKILL.md",[112,113],{"categoryNo":82,"categoryName":83,"taxonomyType":84,"taxonomyTypeDesc":85},{"categoryNo":87,"categoryName":88,"taxonomyType":89,"taxonomyTypeDesc":90},[115,92,94,116,101,117,104],"writing for agents","editing","documents",{"skillNo":119,"name":120,"nameZh":6,"description":121,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":122,"categories":123,"keywords":124,"publishedAt":39},"01M71ESA1NN9WVMD2HA5Z1RRDY","wizard","Generate an interactive bash wizard that walks a human through steps only they can perform. Use when provisioning infrastructure, setting up credentials or CI secrets, walking an unfamiliar third-party dashboard, or running a one-off migration or cutover. Don't invoke this for steps the agent can perform itself.","https:\u002F\u002Fgithub.com\u002Fpatinaproject\u002Fskills\u002Fblob\u002Fmain\u002Fplugins\u002Fwork\u002Fskills\u002Fwizard\u002FSKILL.md",[],[120,125,126,127,128,129,104,130,131,132,133,134,101,135,136,137,92,138,139,140],"interactive","can","credentials","one","Bash","invoke","dashboard","generate","human","secrets","provisioning infrastructure","ci","up","setting","running","only",{"skillNo":142,"name":143,"nameZh":6,"description":144,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":145,"categories":146,"keywords":147,"publishedAt":39},"01M71ES8FAN567N3JEPG8W6AS1","wayfinder","Plan a huge chunk of work (more than one agent session can hold) as a shared map of decision tickets on your issue tracker, and resolve them one at a time until the way to the destination is clear.","https:\u002F\u002Fgithub.com\u002Fpatinaproject\u002Fskills\u002Fblob\u002Fmain\u002Fplugins\u002Fwork\u002Fskills\u002Fwayfinder\u002FSKILL.md",[],[143,148,149,150,151,152,153,154,155,156,157,158,159,160,161,37,162,126,163,128],"more","true","decision","session","time","chunk","as","shared","map","tickets","destination","at","tracker","plan","agent session","one at a time",{"skillNo":165,"name":166,"nameZh":6,"description":167,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":12,"repositoryNo":13,"starsCount":14,"licenseSpdxId":15,"licenseFileUrl":6,"sourceHtmlUrl":168,"categories":169,"keywords":170,"publishedAt":39},"01M71ES6PWJPKBW8R24YFH4PY6","wait-what","Stop. That last message did not land: re-pitch it.","https:\u002F\u002Fgithub.com\u002Fpatinaproject\u002Fskills\u002Fblob\u002Fmain\u002Fplugins\u002Fwork\u002Fskills\u002Fwait-what\u002FSKILL.md",[],[171,172,173,28,174,175,176,177,149,178],"wait","wait what","stop","land","re","pitch","message","last"]