Skill Claude CodeCodex
Creates, structures, and reviews technical documentation following the Diátaxis framework (tutorials, how-to guides, reference, and explanation pages). Use when a user needs to write or reorganize docs, structure a tutorial vs. a how-to guide, build reference docs or API documentation, create explanation pages, choose…
Skill Claude CodeCodex
Creates, updates, or optimizes an AGENTS.md file for a repository with minimal, high-signal instructions covering non-discoverable coding conventions, tooling quirks, workflow preferences, and project-specific rules that agents cannot infer from reading the codebase. Use when setting up agent instructions or Claude…
Skill Claude CodeCodex
Optimizes AI skills for activation, clarity, and cross-model reliability. Use when creating or editing skill packs, diagnosing weak skill uptake, reducing regressions, tuning instruction salience, improving examples, shrinking context cost, or setting benchmark/release gates for skills. Trigger terms: skill…
Skill Claude CodeCodex
Generates C4 model architecture diagrams using Structurizr DSL (primary) or Mermaid C4 (fallback). Use when: user asks to "draw a diagram", "create a C4 diagram", "show architecture as a diagram", "generate architecture diagram", "document the system", or when explain-code reaches its diagram step. DO NOT USE for code…
Skill Claude CodeCodex
Write, compile, debug, and package CHICKEN Scheme programs. Use this skill whenever the user mentions CHICKEN Scheme, call-cc.org, csc, csi, Scheme eggs, Scheme-to-C compilation, R5RS/R7RS Scheme, call/cc, continuations, SRFI, or wants help with any Scheme programming task using CHICKEN. Also trigger for questions…
Skill Claude CodeCodex
Use when writing new code, naming modules/files/functions/classes/variables, reviewing or refactoring code for readability, or assessing/reducing function complexity. Trigger on requests like "name this function", "is this a good variable name", "review this for clean code", "reduce complexity", "should I add a…
Skill Claude CodeCodex
Write, review, debug, and configure ClojureScript code and projects. Use this whenever the user mentions ClojureScript, .cljs/.cljc files, shadow-cljs, figwheel, the CLJS compiler, JS interop from Clojure, Reagent/re-frame/Reagent-style UI code, or asks to convert JS/TS logic into ClojureScript. Also use it for…
Skill Claude CodeCodex
Analyze a real communication artifact (Slack/Teams message, email, meeting transcript, pitch or presentation draft) and coach it sharper using seven rhetoric + structure techniques: ethos/logos/pathos, reframing tough questions, centering the other person, the Pyramid Principle, pattern interrupt, making ideas feel…
Skill Claude CodeCodex
Apply functional programming composition techniques in JavaScript and TypeScript. Use this skill whenever the user asks about function composition, pipe, compose, currying, partial application, point-free style, pure functions, immutability, functors, monads, lenses, functional mixins, factory functions, or object…
Skill Claude CodeCodex
Review code against the CUPID properties for joyful coding: Composable, Unix philosophy, Predictable, Idiomatic, and Domain-based. Use this skill whenever the user wants to assess code quality using CUPID, asks "is this code CUPID?", wants a code review framed around CUPID principles, mentions any of the five CUPID…
Skill Claude CodeCodex
Use this skill when the user wants to investigate a bug, defect, incident, or quality issue and find its root cause — including requests to run a "5 whys" analysis, write a postmortem, do a root-cause analysis (RCA), figure out why a bug reached production or slipped past code review/QA, set up a recurring…
Skill Claude CodeCodex
Explains code with C4 model diagrams, analogies, and step-by-step walkthroughs. Use when explaining how code works, teaching about a codebase, onboarding to architecture, or when the user asks "how does this work?", "explain this system", "walk me through this", "what does this code do?", "help me understand this"…
Skill Claude CodeCodex
Git best practices — commit discipline, branching/history hygiene, safety, and CI/CD pipelines. Routes to git-guru (expert Q&A), gitmoji, and gitlab-dag sub-skills. TRIGGER when: commits (Conventional Commits, atomic commits, commit message format, commit hygiene), history (branch naming, rebase vs merge, clean git…
Skill Claude CodeCodex
Expert Git assistant that answers questions about Git concepts, commands, workflows, and best practices — both in French and English. Use this skill whenever the user mentions Git, version control, commits, branches, merges, rebases, conflicts, stash, push/pull, remotes, history rewriting, or anything related to…
Skill Claude CodeCodex
Design, write, review, or optimize GitLab CI/CD pipelines using DAG (Directed Acyclic Graph) with the needs keyword and parallelism features (parallel, parallel:matrix). Use this skill whenever the user mentions GitLab CI, .gitlab-ci.yml, pipeline optimization, job dependencies, the needs keyword, parallel matrix…
Skill Claude CodeCodex
Selects and applies gitmoji emoji prefixes for Git commit messages, integrated with Conventional Commits format. Use when the user asks about gitmoji, wants an emoji for a commit message, asks 'which emoji for...', 'quel emoji pour...', mentions commit emoji conventions, says 'prefix my commit', 'gitmoji for', 'emoji…
Skill Claude CodeCodex
Idiomatic Go — error handling, concurrency, web services, testing, and project structure. TRIGGER when: language (Go, Golang, .go files, go mod, go build, go run, go test, go fmt), concurrency (goroutine, channel, sync, context, select statement), errors (error interface, error wrapping, sentinel errors…
Skill Claude CodeCodex
Go concurrency — goroutines, channels, select, sync primitives, context, and data race prevention. TRIGGER when: user asks about goroutines, Go channels, Go select, sync.Mutex, sync.WaitGroup, sync.Once, Go context, context.WithCancel, context.WithTimeout, Go data race, race condition in Go, Go concurrency patterns…
Skill Claude CodeCodex
Go error handling — error interface, custom error types, wrapping, sentinel errors, errors.Is/As, panic/recover. TRIGGER when: user asks about Go error handling, if err != nil, custom errors, error wrapping, fmt.Errorf %w, errors.Is, errors.As, sentinel errors, panic recover, when to panic in Go, error types in Go, Go…
Skill Claude CodeCodex
Go modules and packages — go.mod, go.sum, versioning, proxies, internal packages, init functions. TRIGGER when: user asks about Go modules, go mod init, go mod tidy, go.mod, go.sum, Go package organization, Go imports, Go internal package, Go init function, Go module proxy, Go versioning, Go major version, Go replace…
Skill Claude CodeCodex
Go testing — table-driven tests, test helpers, benchmarks, fuzz testing, profiling, and testify. TRIGGER when: user asks about Go testing, go test, testing package, table-driven tests in Go, Go test helpers, t.Helper, t.Run, Go benchmarks, Go profiling, pprof, Go fuzz testing, Go test coverage, testify, Go mock, Go…
Skill Claude CodeCodex
Go type system — structs, interfaces, embedding, composition, generics, slices, maps, enums with iota. TRIGGER when: user asks about Go structs, Go interfaces, Go embedding, composition in Go, Go generics, type parameters, Go type constraints, Go slices, Go maps, Go iota, Go enum, Go bitmask, implicit interface…
Skill Claude CodeCodex
Go web development — HTTP server, handlers, middleware, routing, JSON encoding, XML, templates. TRIGGER when: user asks about Go HTTP server, net/http, Go handler, Go middleware, Go routing, Go JSON, encoding/json, json.Marshal, json.Unmarshal, Go XML, Go templates, html/template, Go REST API, Go web service…
Skill Claude CodeCodex
JavaScript best-practices and rule enforcement — naming conventions, modern syntax idioms, this-handling, module structure, array/iteration performance, and nullability. TRIGGER when: language (JavaScript, JS, .js, .mjs, .cjs, Node.js, browser JS, ESM, CommonJS), syntax (const/let, destructuring, optional chaining…