# Database

> PostgreSQL and MongoDB database design. Schema design, migrations, indexing, query optimization, RLS security policies. Don't use for application logic or API development.

- **Type:** Skill
- **Install:** `agentstack add skill-neuron-one-godmode-database`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [neuron-one](https://agentstack.voostack.com/s/neuron-one)
- **Installs:** 0
- **Category:** [Databases](https://agentstack.voostack.com/c/databases)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [neuron-one](https://github.com/neuron-one)
- **Source:** https://github.com/neuron-one/GODMODE/tree/master/skills/development/database

## Install

```sh
agentstack add skill-neuron-one-godmode-database
```

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

## About

# Database Development

## PostgreSQL
- Normalized schema (3NF minimum)
- UUID primary keys for distributed systems
- Created_at/updated_at timestamps on all tables
- Foreign key constraints with ON DELETE behavior
- Check constraints for data integrity

## Indexing
- B-tree for equality and range queries
- GIN for full-text search and JSONB
- Partial indexes for filtered queries
- Composite indexes: most selective column first
- EXPLAIN ANALYZE before and after

## Migrations
- Sequential numbered migrations
- Always include rollback (down migration)
- Never modify existing migration
- Test migration on copy of production data

## MongoDB
- Schema design by access patterns (not normalization)
- Embedding for 1:few relationships
- References for 1:many or many:many
- Compound indexes matching query patterns

## Query Optimization
- Avoid N+1: use JOINs or eager loading
- Pagination with cursor, not OFFSET
- Connection pooling (PgBouncer)
- Read replicas for heavy read workloads

## Source & license

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

- **Author:** [neuron-one](https://github.com/neuron-one)
- **Source:** [neuron-one/GODMODE](https://github.com/neuron-one/GODMODE)
- **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-neuron-one-godmode-database
- Seller: https://agentstack.voostack.com/s/neuron-one
- 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%.