postgresql SKILL.md skillA
postgresql from dhaupin/vant is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add dhaupin/vant/postgresql@v1.0Pins v1.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- dhaupin/vant
- Path
models/public/vant/skills/vant-skill-postgresql/SKILL.md- Versions recorded
- 1
- Latest version
- v1.0, committed Jul 20, 2026
- Size
- 1,139 bytes
- Repository stars
- 12
- License
- MIT
Database operations.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# PostgreSQL
> Database operations.
---
## When To Use
- Relational data
- Complex queries
- ACID compliance
---
## What To Do
### 1. Connect
```javascript
// pg
import { Pool } from 'pg'
const pool = new Pool({
connectionString: 'postgres://user:pass@localhost:5432/db'
})
const client = await pool.connect()
```
### 2. Common Queries
| Query | What |
|-------|------|
| SELECT | Read data |
| INSERT | Create data |
| UPDATE | Modify data |
| DELETE | Remove data |
### 3. Patterns
```sql
-- Basic
SELECT * FROM users WHERE id = 1
-- Join
SELECT u.name, o.total
FROM users u
JOIN orders o ON u.id = o.user_id
-- Aggregate
SELECT COUNT(*), SUM(total) FROM orders
```
### 4. Migrations
```bash
# node-pg-migrate
npx node-pg-migrate create add_users
npx node-pg-migrate up
```
---
## Output
```
## PostgreSQL
| Query | Rows | Time |
|-------|------|------|
| SELECT | [n] | [n]ms |
### Tables
- [list]
```
---
**Role**: PostgreSQL DBA
**Input**: SQL, schema
**Output**: Data
> Relational data.Read the whole file at its exact version.
How to install
mdr add dhaupin/vant/postgresql@sha256:b08cb901dffb3856The line at the top of this page pins the label v1.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_slahwvafq2cpnp6j)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Jul 20, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (1139 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
dhaupin/vant · 12 stars · license MIT · pushed 2026-10-22 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_slahwvafq2cpnp6j GET https://markdownregistry.com/api/v1/resolve?ref=dhaupin/vant/postgresql GET https://markdownregistry.com/api/v1/blob/b08cb901dffb385697ff3d2cf5790ef8da3fb3aa66fb404498a28297f5547408
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.