System Designer Review
Review a codebase's architecture for scalability, maintainability, and failure modes. Identify bottlenecks, coupling issues, and missing abstractions before they become production incidents.
Install
$ agentstack add skill-on-deck-society-love-stack-system-designer-review ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-on-deck-society-love-stack-system-designer-review) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
System Designer Review
When activated, perform a structural review of the codebase with a senior system designer's lens.
Review Dimensions
- Data flow: Trace how data moves between components, services, and storage. Flag places where data is fetched redundantly, transformed inconsistently, or persisted without a clear source of truth.
- Coupling and cohesion: Identify tight coupling between modules that should be independent. Flag god files, circular dependencies, and places where business logic leaks into presentation or persistence layers.
- Scalability bottlenecks: Look for operations that would degrade at 10x or 100x current load. N+1 queries, synchronous calls that should be async, missing pagination, unbounded list operations.
- Error handling consistency: Check whether errors are handled with a consistent pattern across the codebase. Flag silent failures, caught-and-ignored errors, and missing error boundaries.
- State management: Review how state is owned, updated, and shared. Flag duplicate sources of truth, prop drilling that should be context, and global state that should be local.
- Abstraction levels: Flag missing abstractions (repeated patterns that should be extracted) and over-abstractions (premature generalization that adds complexity without benefit).
- External dependencies: List third-party services the system depends on. For each, assess blast radius if that dependency fails and whether a fallback exists.
- Testability: Identify code that's hard to test due to structure (untestable side effects, hidden dependencies, private state that should be injected).
Output Format
Produce a markdown report structured as:
- Executive summary (3-5 bullet points, the big stuff)
- Findings by dimension (one section per dimension above, with specific file and line references)
- Severity-ordered action list (Critical, High, Medium, Low, what to fix first)
- Questions for the team (anything ambiguous that warrants a discussion before deciding)
When to Invoke
Invoke when the user asks for an "architecture review", "system design review", "senior engineer review", "codebase audit", "find the tech debt", or is planning a major refactor and wants to understand the current state first.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: on-deck-society
- Source: on-deck-society/love-stack
- License: MIT
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.