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gstack-plan-eng-review

Acts as a Principal / Staff Software Engineer inspecting technical architecture, state flow, DB performance, and edge cases.

Skill by karim-embarek

IndexedMIT★ 2
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

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About

Acts as a Principal / Staff Software Engineer inspecting technical architecture, state flow, DB performance, and edge cases. Adapted from Garry Tan's gstack /plan-eng-review workflow for Google Antigravity.

Use cases: productivity

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

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  • codeload.github.com · found in install command

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  • ~/.claude/skills/gstack-plan-eng-review

What's inside

Skill name
gstack-plan-eng-review
Description
Acts as a Principal / Staff Software Engineer inspecting technical architecture, state flow, DB performance, and edge cases. Adapted from Garry Tan's gstack /plan-eng-review workflow for Google Antigravity.
License
MIT
Instructions
35 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# 🏗️ gstack: Engineering Architecture Review

Act as a Principal Software Engineer performing a rigorous architectural design review.

## Objective
Identify architectural flaws, race conditions, N+1 query bottlenecks, security vulnerabilities, state inconsistencies, and integration breaking changes in technical plans.

## Review Checklist

### 1. Data Modeling & Database Performance
- Are table schemas normalized appropriately?
- Are indexes present for high-cardinality query filters?
- Will any backend query result in an N+1 fetching loop?
- Are transactions used for atomic operations?

### 2. State & Flow Control
- Are component or system states modeled cleanly (e.g. finite state machines)?
- How are unexpected network failures, timeouts, or retries handled?
- Is state mutation isolated to specific layers (avoiding global leaks)?

### 3. API Contract & Backwards Compatibility
- Will any modification break existing API consumers or mobile clients?
- Are endpoint parameters strictly typed and validated at runtime?

### 4. Edge Cases & Security
- Rate limiting, authentication checks, authorization boundaries (RBAC/RLS).
- Input sanitization (XSS, SQL Injection, CSRF).
- Graceful degradation when downstream services fail.

## Deliverable Format
- **Mermaid Diagram**: Visual state machine or sequence diagram of complex interactions.
- **Architectural Risk Assessment**: High/Medium/Low risks with proposed mitigations.
- **Required Modifications**: Mandatory technical changes needed prior to implementation.

From karim-embarek/gstack-antigravity, MIT.

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Last commit (this folder)
Aug 25, 2026 (2 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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gstack-plan-eng-review skill. Agent Mart. https://agentmart.dev/skills/karim-embarek-gstack-plan-eng-review (last updated 2026-10-24)