Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/kubiyabot/skill/postgres-skillnpx skills add kubiyabot/skill --skill postgres-skillgit clone --depth 1 https://github.com/kubiyabot/skillWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00019 | $0.03968 |
| Opus 5 | $0.00010 | $0.01984 |
| Sonnet 5 | $0.00004 | $0.00794 |
| Haiku 4.5 | $0.00002 | $0.00397 |
Grade B, and why
postgres scanned grade B with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Asks for rootmediumPrivilege escalation
A mod that escalates privileges can change anything on the machine, not only the project.
sudo apt-get update How it starts
The opening of the file, as written. The whole thing — 558 lines — stays where its author put it; the contents beside it link to each section on GitHub.
PostgreSQL Skill
Access PostgreSQL databases using the psql CLI client running inside a Docker container. Execute queries, manage databases, run scripts, export/import data, and perform database operations without installing PostgreSQL locally.
Overview
This skill provides the psql command-line client through a containerized runtime. Connect to any PostgreSQL database (local or remote), execute SQL commands, run migration scripts, and manage your databases - all while keeping your host system clean.
When to Use This Skill
Use this skill when you need to:
- Connect to PostgreSQL databases without local installation
- Execute SQL queries and commands
- Run database migration scripts
- Export and import data (CSV, SQL dumps)
- List databases, tables, and schemas
- Inspect table structures and relationships
- Execute administrative tasks
- Test database connections
- Run ad-hoc queries during development
Prerequisites
Docker
The PostgreSQL client runs inside a Docker container:
# macOS (using Homebrew)
brew install --cask docker
# Linux (Ubuntu/Debian)
sudo apt-get update
sudo apt-get install docker.io
sudo systemctl start docker
PostgreSQL Server
You need access to a PostgreSQL server:
- Local PostgreSQL instance
- Remote database server
- Cloud-hosted PostgreSQL (AWS RDS, Google Cloud SQL, Azure, etc.)
- Docker PostgreSQL container
Configuration
Add to your .skill-engine.toml:
[skills.postgres]
source = "docker:postgres:16-alpine"
runtime = "docker"
description = "PostgreSQL CLI client"
[skills.postgres.docker]
image = "postgres:16-alpine"
entrypoint = "psql"
environment = ["PGPASSWORD=${PGPASSWORD:-}"]
network = "bridge"
memory = "256m"
rm = true
Configuration Explained
- image:
postgres:16-alpine- PostgreSQL 16.x Alpine image (~80MB) - entrypoint:
psql- PostgreSQL interactive terminal - environment: Sets
PGPASSWORDfrom host environment - network:
bridge- Allows connections to databases (local and remote) - memory:
256m- Limits container to 256MB RAM - rm:
true- Automatically removes container after execution
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 558 lines · 19 tokens per session scan B dc78e7e2958c
postgres is a skill published in the GitHub repository kubiyabot/skill (16 stars, last pushed 6mo ago), licensed Apache-2.0. It adds 19 tokens to every session and 3,968 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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