[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M7EABD2FHMH1KGGAA0AMD38P":3,"skill-same:01M7EABD2FHMH1KGGAA0AMD38P":43},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":15,"categories":16,"keywords":17,"publishedAt":18,"linkOnly":19,"markdownContent":20,"markdownBody":21,"frontMatter":22,"refName":23,"commitSha":24,"skillDirectory":25,"forksCount":13,"repositoryHtmlUrl":26,"repositoryHomepageUrl":6,"ownerHtmlUrl":27,"ownerBlogUrl":6,"ownerDescription":6,"updatedAt":28,"install":29,"resources":42},"01M7EABD2FHMH1KGGAA0AMD38P","principle-subtract-before-you-add",null,"Apply when sequencing an addition, refactor, or rewrite. Remove dead weight, redundant validators, and stub references first, then build on the simpler base.","sachiesachie\u002Fpstack-skills","sachiesachie","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F22506444?v=4","01M7EA6W23TX521T6M4FAT5SWA","01M7EA6W38E00TYD716C6234QV",0,"MIT","https:\u002F\u002Fgithub.com\u002Fsachiesachie\u002Fpstack-skills\u002Fblob\u002Fmain\u002Fskills\u002Fprinciple-subtract-before-you-add\u002FSKILL.md",[],[],"2026-11-15 14:19:17",false,"---\nname: principle-subtract-before-you-add\ndescription: \"Apply when sequencing an addition, refactor, or rewrite. Remove dead weight, redundant validators, and stub references first, then build on the simpler base.\"\n---\n\n# Subtract Before You Add\n\nWhen evolving a system, remove complexity first, then build. Deletion gives you a simpler base, which makes the next addition smaller and less brittle.\n\n**Why:** Adding to a complex system compounds complexity. Removing first cuts the surface area, reveals the essential structure, and usually makes the next design obvious. Default to subtraction.\n\nMake simplification a continual investment. Leave the design slightly simpler and more capable behind the same or smaller surface than you found it.\n\n**The pattern:**\n- Sequence removal before construction\n- Cut before you polish (get to the minimum before investing in quality)\n- Design for observed usage, not speculative edge cases\n- No speculative validators, parsers, or guards beyond what the spec demands\n- Out-of-spec features drag validators behind them. Persistence, retry-on-startup, and schema migration each need guards to defend their inputs.\n- Simplify prompts (remove redundant instructions, excessive templates)\n- When a reference has no novel content, delete it rather than leaving a stub\n","# Subtract Before You Add\n\nWhen evolving a system, remove complexity first, then build. Deletion gives you a simpler base, which makes the next addition smaller and less brittle.\n\n**Why:** Adding to a complex system compounds complexity. Removing first cuts the surface area, reveals the essential structure, and usually makes the next design obvious. Default to subtraction.\n\nMake simplification a continual investment. Leave the design slightly simpler and more capable behind the same or smaller surface than you found it.\n\n**The pattern:**\n- Sequence removal before construction\n- Cut before you polish (get to the minimum before investing in quality)\n- Design for observed usage, not speculative edge cases\n- No speculative validators, parsers, or guards beyond what the spec demands\n- Out-of-spec features drag validators behind them. Persistence, retry-on-startup, and schema migration each need guards to defend their inputs.\n- Simplify prompts (remove redundant instructions, excessive templates)\n- When a reference has no novel content, delete it rather than leaving a stub\n",{"name":5,"description":7},"main","706c46694c9480baeb6b1ec7133a82461941e0c8","skills\u002Fprinciple-subtract-before-you-add","https:\u002F\u002Fgithub.com\u002Fsachiesachie\u002Fpstack-skills","https:\u002F\u002Fgithub.com\u002Fsachiesachie","2026-11-11 03:18:47",{"source":8,"skillName":5,"commands":30,"prompt":40,"zipAvailable":41},[31,34,37],{"tool":32,"command":33},"npx","npx skills add sachiesachie\u002Fpstack-skills --skill principle-subtract-before-you-add",{"tool":35,"command":36},"bunx","bunx skills add sachiesachie\u002Fpstack-skills --skill principle-subtract-before-you-add",{"tool":38,"command":39},"pnpm","pnpm dlx skills add sachiesachie\u002Fpstack-skills --skill principle-subtract-before-you-add","安装技能，技能地址：https:\u002F\u002Fgithub.com\u002Fsachiesachie\u002Fpstack-skills\u002Fblob\u002Fmain\u002Fskills\u002Fprinciple-subtract-before-you-add\u002FSKILL.md",true,[],[44,51,58,65,72,79],{"skillNo":45,"name":46,"nameZh":6,"description":47,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":48,"categories":49,"keywords":50,"publishedAt":18},"01M7EADJ22GDT152JAJGJ26YBJ","wrangler","Cloudflare Workers CLI for deploying, developing, and managing Workers, KV, R2, D1, Vectorize, Hyperdrive, Workers AI, Containers, Queues, Workflows, Pipelines, and Secrets Store. Load before running wrangler commands to ensure correct syntax and best practices. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.","https:\u002F\u002Fgithub.com\u002Fsachiesachie\u002Fpstack-skills\u002Fblob\u002Fmain\u002Fskills\u002Fwrangler\u002FSKILL.md",[],[],{"skillNo":52,"name":53,"nameZh":6,"description":54,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":55,"categories":56,"keywords":57,"publishedAt":18},"01M7EADCSMFMHQYHVQZP6Z97FH","workers-best-practices","Reviews and authors Cloudflare Workers code against production best practices. Load when writing new Workers, reviewing Worker code, configuring wrangler.jsonc, or checking for common Workers anti-patterns (streaming, floating promises, global state, secrets, bindings, observability). Biases towards retrieval from Cloudflare docs over pre-trained knowledge.","https:\u002F\u002Fgithub.com\u002Fsachiesachie\u002Fpstack-skills\u002Fblob\u002Fmain\u002Fskills\u002Fworkers-best-practices\u002FSKILL.md",[],[],{"skillNo":59,"name":60,"nameZh":6,"description":61,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":62,"categories":63,"keywords":64,"publishedAt":18},"01M7EAD6E730JQ962MJ29Z7KA3","why","Use for 'why does X work this way', 'why we picked Y', design rationale, regressions, postmortems, or data-backed thresholds. Discovers available MCPs and queries each evidence category (source control, issue tracker, long-form docs, real-time chat, infrastructure observability, error tracking, product analytics warehouse) in parallel, then returns a cited read on decisions and tradeoffs. Use how for runtime behavior.","https:\u002F\u002Fgithub.com\u002Fsachiesachie\u002Fpstack-skills\u002Fblob\u002Fmain\u002Fskills\u002Fwhy\u002FSKILL.md",[],[],{"skillNo":66,"name":67,"nameZh":6,"description":68,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":69,"categories":70,"keywords":71,"publishedAt":18},"01M7EAD03G1VTNS227K6Z8H2CH","web-perf","Analyzes web performance using Chrome DevTools MCP. Measures Core Web Vitals (LCP, INP, CLS) and supplementary metrics (FCP, TBT, Speed Index), identifies render-blocking resources, network dependency chains, layout shifts, caching issues, and accessibility gaps. Use when asked to audit, profile, debug, or optimize page load performance, Lighthouse scores, or site speed. Biases towards retrieval from current documentation over pre-trained knowledge.","https:\u002F\u002Fgithub.com\u002Fsachiesachie\u002Fpstack-skills\u002Fblob\u002Fmain\u002Fskills\u002Fweb-perf\u002FSKILL.md",[],[],{"skillNo":73,"name":74,"nameZh":6,"description":75,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":76,"categories":77,"keywords":78,"publishedAt":18},"01M7EACY54EPJT5K3V19M6D7NE","unslop","Cut AI tells from any writing. Must always apply.","https:\u002F\u002Fgithub.com\u002Fsachiesachie\u002Fpstack-skills\u002Fblob\u002Fmain\u002Fskills\u002Funslop\u002FSKILL.md",[],[],{"skillNo":80,"name":81,"nameZh":6,"description":82,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":83,"categories":84,"keywords":85,"publishedAt":18},"01M7EACVZPG7J26KYMCH3HM4NC","typescript-best-practices","TypeScript best practices. Use when reading or editing any .ts or .tsx file.","https:\u002F\u002Fgithub.com\u002Fsachiesachie\u002Fpstack-skills\u002Fblob\u002Fmain\u002Fskills\u002Ftypescript-best-practices\u002FSKILL.md",[],[]]