Two execution agents usable with or without a spec-driven workflow: implementer (build one task and self-verify) and test-writer (add or extend tests without changing production behavior).
Frontend engineering skill pack for React 19 + Next.js 15 (App Router): code architecture/placement, React best practices, and Next.js patterns. TypeScript now lives in typescript-skills; React Testing Library in testing-skills.
Read-only research agent that locates, gathers, and fact-checks information from the codebase or the public web and returns it in a structured, cited format. Never edits files.
Spec-Driven Development workflow: spec -> plan -> implement -> test -> verify -> retro. Ships the authoring and verification agents, the multi-agent retrospective skill, and the slash commands that drive the chain. Execution agents come from code-agents.
Testing skill pack. Currently React Testing Library conventions for component and hook tests with Vitest — project-agnostic, no framework assumptions beyond React.
Language-level TypeScript skill pack: type-level programming, strictness settings, utility types, and a diagnostic script. Stack-agnostic — useful in frontend, Node backend, and library projects alike.
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At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: