fileflow-pathologize

Testable filesystem code in Go with spf13/afero — inject afero.Fs, test in memory with MemMapFs, layer ReadOnlyFs, CopyOnWriteFs and BasePathFs, and know where MemMapFs differs from a real disk.

1 skill

Definitive guide to building CLI applications with Cobra and Viper — command-first architecture, configuration management, environment variable binding, and in-memory CLI testing. Written by spf13, the original creator of both libraries.

1 skill

Idiomatic Go patterns and best practices — package design, error handling, interfaces, concurrency, testing, and project layout. Written by spf13 (former Go team lead, author of Cobra, Viper, Hugo, Afero).

1 skill

Release engineering for Go modules and applications — semantic versioning, breaking-change detection, deprecation conventions, go.mod hygiene, and binary distribution with GoReleaser.

1 skill

Review Go design documents before implementation begins — catches over-engineering, missing error paths, interface misuse, and Cobra/Viper convention violations while a plan is still cheap to change.

1 skill

Building native desktop applications in Go with Wails v2 (stable) and v3 (alpha). CRITICAL: v2 and v3 have incompatible APIs that LLMs constantly blend — this skill detects the version and follows only that version's patterns.

1 skill

Core skills library for Claude Code: TDD, debugging, collaboration patterns, and proven techniques

15 skills · hooks

Editorial diagrams in your brand, as self-contained HTML and SVG. Architecture, flowcharts, sequence, state machines, ER and database schemas, timelines, swimlanes, org charts, Gantt, Wardley maps, user journeys, service blueprints, UML class, lifecycle phase maps, and charts from bar, line and scatter to Sankey, treemap and heatmap, plus many more. Redraws draw.io, Mermaid, Excalidraw and PlantUML files. Exports SVG and PNG.

1 skill · 7 commands

Up-to-date documentation lookup. Pull version-specific documentation and code examples directly from source repositories into your coding agent's context.

1 MCP server

Build powerful, stateful CLI interfaces for any GUI application using the cli-anything harness methodology.

5 commands

Automates browser interactions for web testing, form filling, screenshots, and data extraction

12 skills

Perform AI code review on Git diffs — supports workspace changes, branch ranges, and single commits with concurrent per-file analysis, codebase search, and deep context-aware review.

2 commands