principle-laziness-protocol
Apply when refactoring, evaluating diff size, or tempted to add abstractions, layers, or signal threading. Bias toward deletion and the smallest change that…
Skills
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Updated 11-16 00:04
Coding & development
41,199 results
principle-make-operations-idempotent
Apply when designing commands, lifecycle steps, or processing loops that run amid crashes, restarts, and retries. Converge to the same end state regardless of…
principle-migrate-callers-then-delete-legacy-apis
Apply when introducing a new internal API while old callers still exist. Migrate callers and delete the old API in the same wave instead of preserving…
principle-minimize-reader-load
Apply when reviewing or shaping code that's hard to trace. Count layers between question and answer, and hidden state in the reader's head; collapse one-caller…
principle-offensive-programming
Apply before writing an error handler, null check, fallback, optional chain over uncertain data, retry, assertion, guard branch, configuration skip, or…
principle-outcome-oriented-execution
Apply during planned rewrites and migrations with explicit phase boundaries. Converge on the target architecture; don't preserve smooth intermediate states…
principle-redesign-from-first-principles
Apply when integrating a new requirement into an existing design. Redesign as if the requirement had been a foundational assumption from day one, instead of…
principle-subtract-before-you-add
Apply when sequencing an addition, refactor, or rewrite. Remove dead code, redundant validators, and stub references first, then build on the simpler base.
typescript-best-practices
TypeScript best practices. Use when reading or editing any .ts or .tsx file.
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…
working-on-issues
Align one issue-linked engineering session with its live tracker, canonical branch, and isolated worktree. Use before issue-linked work begins or resumes.
woocommerce-hooks
Use when hooking into WooCommerce events, adding custom checkout fields, modifying cart behavior, or extending WooCommerce admin. Covers woocommerce_new_order,…
wp-apis
Use when working with WordPress core APIs in plugins or themes. Covers add_menu_page, add_submenu_page, add_options_page, add_shortcode, add_meta_box,…
wp-rest-api
Use when building WordPress REST API endpoints, custom routes, controllers, or using the Abilities API. Covers register_rest_route, WP_REST_Controller,…
semantic-boundary-design
Use when cross-layer feature, migration, integration, port, refactor, review, bug fix, or design planning needs one owner for user/domain meaning across UI,…
dev-server
Start development servers with intelligent port management. Use when asked to "start the dev server", "run dev", "start development", "launch the server",…
saas-agent-implementation-timeline
Use when producing or reviewing the saas agent implementation timeline component of a business plan; applies its specialist evidence, decisions, and acceptance…
csharp-dotnet-development
Use when building, reviewing, modernizing, or debugging C# and .NET applications across .NET 8/9/10, C# 12/13/14, ASP.NET Core APIs, EF Core data access,…
ios-project-setup
iOS project setup with Xcode: project structure, SPM dependencies, build schemes (Dev/Staging/Prod), xcconfig files, Info.plist configuration, code signing,…
typescript-design-patterns
All 23 GoF design patterns implemented in TypeScript — Creational (Singleton, Factory Method, Abstract Factory, Builder, Prototype, Object Pool), Structural…
landing-page-skill
Full-chain landing page generation Agent Skill. Trigger words: landing page, 落地页, product page, marketing page, homepage design. 5-phase protocol: requirements gathering → strategy planning → design system → code generation → quality validation. Applies to: single-page conversion-oriented landing pages (SaaS/e-commerce/services). Does not apply to: multi-page websites, backend integration, complex interactive applications.
api-contract-testing
Tools and patterns for API contract testing using OpenAPI, JSON Schema, and contract-first development
codex-collab
Let Claude Code and OpenAI Codex CLI collaborate to complete coding tasks. Through the built-in script, call codex exec, supporting multi-turn sessions, requirements analysis, code prototype acquisition, and code review. Trigger this skill when the user mentions "use codex", "let codex take a look", "codex review". It should also be proactively suggested in the following scenarios: -…
refactor
Suggest refactoring improvements for code quality