# Design Data Layer

> |

- **Type:** Skill
- **Install:** `agentstack add skill-wfukatsu-nexus-architect-design-data-layer`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [wfukatsu](https://agentstack.voostack.com/s/wfukatsu)
- **Installs:** 0
- **Category:** [Agent Skills](https://agentstack.voostack.com/c/agent-skills)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [wfukatsu](https://github.com/wfukatsu)
- **Source:** https://github.com/wfukatsu/nexus-architect/tree/main/skills/design-data-layer

## Install

```sh
agentstack add skill-wfukatsu-nexus-architect-design-data-layer
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# Data Layer Design

## Desired Outcome

Generic data layer design for projects not using ScalarDB:
- Database selection and configuration (RDB/NoSQL/hybrid)
- Connection pool design
- Migration strategy
- Transaction management patterns
- ORM/data access patterns

## Prerequisites

| File | Required/Recommended | Source |
|------|---------------------|--------|
| reports/03_design/target-architecture.md | Required | /architect:design-microservices |

## Output

| File | Content |
|------|---------|
| `reports/03_design/data-layer-design.md` | DB design, transaction management, migration |

Write all reports in the language configured in `work/pipeline-progress.json` (`options.output_language`).

## Related Skills

| Skill | Relationship |
|-------|-------------|
| /architect:design-microservices | Input source |
| /architect:review-data-integrity | Review target |

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [wfukatsu](https://github.com/wfukatsu)
- **Source:** [wfukatsu/nexus-architect](https://github.com/wfukatsu/nexus-architect)
- **License:** MIT

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-wfukatsu-nexus-architect-design-data-layer
- Seller: https://agentstack.voostack.com/s/wfukatsu
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.