# Skill Gamma

> A completely different skill for database operations. Use when working with PostgreSQL queries, schema design, or database migrations.

- **Type:** Skill
- **Install:** `agentstack add skill-juanjosegongi-skill-compact-skill-gamma`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [JuanJoseGonGi](https://agentstack.voostack.com/s/juanjosegongi)
- **Installs:** 0
- **Category:** [Databases](https://agentstack.voostack.com/c/databases)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [JuanJoseGonGi](https://github.com/JuanJoseGonGi)
- **Source:** https://github.com/JuanJoseGonGi/skill-compact/tree/main/tests/fixtures/sample-skills/skill-gamma

## Install

```sh
agentstack add skill-juanjosegongi-skill-compact-skill-gamma
```

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

## About

# Skill Gamma

Database operations skill.

## When to use

- User wants help with PostgreSQL
- Schema design questions
- Database migration workflows

## Workflow

1. Understand the schema
2. Write queries
3. Test with sample data

## Query Patterns

### Select with joins

```sql
SELECT u.name, o.total
FROM users u
JOIN orders o ON u.id = o.user_id
WHERE o.status = 'completed';
```

## Best Practices

- Use parameterized queries
- Add indexes for frequent queries
- Normalize to 3NF unless performance requires denormalization

## Source & license

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

- **Author:** [JuanJoseGonGi](https://github.com/JuanJoseGonGi)
- **Source:** [JuanJoseGonGi/skill-compact](https://github.com/JuanJoseGonGi/skill-compact)
- **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-juanjosegongi-skill-compact-skill-gamma
- Seller: https://agentstack.voostack.com/s/juanjosegongi
- 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%.