j0hanz-marketplace

Every tool for the job on one bench: decide, research, spec, plan, build test-first, debug, refactor, review, audit, verify — plus authoring the skills, hooks and QA docs you reach for next

24 skills · hooks

MCP development skills for TypeScript SDK v2

10 skills · 3 agents · hooks

The thinking before the code: grill a plan, keep the domain model in GLOSSARY.md and ADRs, design deep modules, surface deepening opportunities, prototype logic and layouts, research primary sources

7 skills

PR descriptions and commit messages written for people: plain prose, structural diagrams, slop flagged on write.

4 skills · hooks

Stops agents wrecking your CSS: refuses writes carrying provable defects, advises on performance and accessibility failures

3 skills · hooks

Designs and reviews frontend UI: invents art-directed page direction from a brief, shapes perceived wait with the right loading pattern, and audits UI code against web interface guidelines

3 skills · hooks

TypeScript type system skills: type-level utilities and type tests, .d.ts declaration contracts for packages and untyped APIs, JSDoc type-checking for plain .js files, and tsconfig selection by runtime

4 skills

Node.js backend conventions and implementation patterns: framework selection, layered architecture, fail-fast validation, pooled transactions, a single error envelope, graceful drain, plus security and production hardening checklists

2 skills

Set a global output style — Concise, TL;DR, Diagram-first, or Schematic — with `/set-style <style>` (Claude Code only)

1 skill · hooks

Teach one topic across many sessions: workspace, spaced repetition, offline HTML lessons sealed behind a retrieval quiz

1 skill · hooks

Project-scoped filesystem MCP tools for batched reads, RE2 search, diffs, and edits. Requires Node.js 24+

1 MCP server

Rewrites a rough, half-formed prompt into one that works on current Claude models

1 skill

One strict behavior-preserving review of a diff: how the code reads, and how it is shaped

1 skill

See how Claude uses your skills and MCP servers: a receipt under each answer, a pane of every tool call with what Claude read back and did next, context cost per server and skill, per-turn JSONL logs. Observe-only, local files only (Claude Code only)