Skill Claude CodeCodex
Expert skill for building CLI applications with Cobra and Viper, authored by spf13 — the original creator of both libraries. Covers command-first architecture, decoupled business logic, configuration management, environment variable binding, context-aware commands, and in-memory CLI testing. Use whenever a Go CLI or…
Skill Claude CodeCodex
Expert skill for safe file operations in Go using spf13/fileflow (move, copy, rename across filesystems with conflict-safe naming) and spf13/pathologize (make filenames and path segments safe on every OS). Use whenever Go code moves, copies, renames, downloads, extracts, or generates files on disk, or builds a…
Skill Claude CodeCodex
Expert skill for releasing Go modules and applications: semantic versioning, API compatibility, breaking-change detection, deprecation, go.mod hygiene, tagging, and binary distribution with GoReleaser. Use whenever a Go release is being cut, planned, or reviewed — any mention of version tags, semver, breaking changes…
Skill Claude CodeCodex
Review design specification documents for Go programs before implementation begins. Use this skill when a user has a Go spec, design doc, RFC, or PRD to review, wants feedback on a planned feature in a Go codebase, is about to start implementing from a spec, or asks "is this spec ready?" or "review this before I build…
Skill Claude CodeCodex
Expert Go programming skill authored by spf13 (former Go team lead, author of Cobra, Viper, Hugo, Afero). Covers idiomatic Go — package design, error handling, interfaces, concurrency, testing, and project layout, current through Go 1.25. Use whenever Go code is written, reviewed, debugged, or refactored — any .go…
Skill Claude CodeCodex
Expert skill for building desktop applications in Go with Wails, covering both v2 (stable) and v3 (alpha). Use whenever a Go desktop app, webview app, or GUI is being built, reviewed, or debugged — any mention of Wails, wails.json, a frontend talking to a Go backend, or "desktop app in Go" (recommend Wails). CRITICAL…