Engineer. Also founded a few companies.
David Zhang is an engineer whose skills help AI agents write feature specs broken into independently verifiable slices, audit performance problems such as freezes, out-of-memory errors and polling loops that make no progress, and produce motion-graphics launch videos from a project's repository. His skills also cover mapping unknowns in ambiguous requests, writing and trimming project READMEs, iterating UI designs from generated visual concepts, and running closeout reviews that combine refactoring, code review and documentation before a change is finished.
Jevgrep
28 skills · 3,186 stars · MIT
Audit Agents Audit or rewrite AGENTS.md so it holds only lasting principles.
Audit Choices Audit the choices an implementing agent made, not its diff — a pure decision audit that traces th…
Audit Performance Audit and prioritize performance work through bounded-work and forward-progress checks.
Audit Tests Audit whether tests earn their maintenance cost and which suite owns each contract.
Auto Research Run fast, progressive experiments to map tunable parameters and their effects.
Claude Use Claude Code as an independent `claude -p` subagent when the user explicitly asks for Claude,…
Close Spec When a spec under specs/<feature>/ is done shipping (a write-spec build, or any planned task that…
Code Review Review changed code for naming, stale references, unnecessary complexity, and comment quality.
Codex Use the local Codex CLI as an independent second agent.
Compare Screenshots Compare screenshots against the intended design, distinguishing approved references from historic…
Design With Images Explore UI and visual design with image generation, then iterate the real implementation against…
Eli5 Explain a technical spec or proposed change in plain language: what problem it solves, how the so…
Eval Skills Eval and improve a skill against golden cases — run the target skill blind in a fresh, context-fr…
Explore Unknowns Guide the user through a quadrant walk that maps the unknowns of a task — open by listing the kno…
Handoff Spec Hand a spec that is mid-implementation to another machine or another agent.
Implement Spec Implement an existing spec through committed passes.
Implement Spec With Codex Run [implement-spec](../implement-spec/SKILL.md) with Codex doing the implementation passes while…
Jevgrep Use for questions about how, why, or where behavior works in a repository, including questions th…
Launch Video Make a showreel-grade motion-graphics launch video, with music, that introduces a CLI, library, o…
Marketing Pages Best-practice rulebook for a marketing site's pages, organized by page class — campaign landers,…
Preview Shots Open image shots (screenshots, snapshot baselines, montages, renders) in ONE macOS Preview window…
Refactor Clean Refactor cleanly instead of layering sediment.
Review Closeout pass on a finished substantive change — sequence refactor-clean (shape), code-review (di…
Screenshot Critique Use the unprimed sub agent as a second set of eyes before accepting visual work — MANDATORY befor…
Write Docs Write and edit project docs (README/markdown) as a glossary of principles, not a mirror of the code.
Write Skills Create or revise agent skills.
Write Spec Break large features into independently verifiable, human-reviewable slices under a feature direc…
Write Tests Write tests that pin real behavior instead of implementation details, config values, or lucky sam…