postkit Skill
description: PostgreSQL-native identity, configuration, metering, and job queues. SQL functions that work with any language or driver. Use when working with user management, sessions, permissions, access control, login/logout, MFA, password resets, relationship-based access, versioned configuration, prompts, usage tracking, quotas, billing periods, or background jobs in PostgreSQL. Covers authn (user/session management), authz (ReBAC permissions), config (versioned key-value storage), meter (usage tracking with reservations), and queue (job scheduling with retries and dead letters).
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Why use this skill
postkit is most useful when you want an agent workflow that is more structured than an ad-hoc prompt. Instead of restating the same expectations every time, a dedicated SKILL.md file gives the assistant a repeatable brief. In this case, the core value is clarity: the repo already frames the workflow around utility skills tasks, and the skill source gives you a portable starting point you can evaluate, adapt, and reuse. The inferred platform for this skill is Generic Skills, which helps you judge whether it is likely to feel native in your current agent ecosystem or whether it is better treated as a general reference.
That matters because AI assistants are better when the operating context is explicit. A good skill turns hidden team expectations into visible instructions. It can name preferred tools, describe failure modes, define what “done” looks like, and reduce the amount of corrective prompting you need after the first draft. For developers exploring the wider SKILL.md ecosystem, this page helps answer the practical question: is this skill specific and maintained enough to be worth trying?
How to evaluate and use it
Start with the source repo and the preview below. The preview tells you whether the instructions are actionable or just aspirational. Strong skills usually describe triggers, recommended tools, steps, and known pitfalls. Weak skills tend to stay generic. This one lives in diegosouzapw/awesome-omni-skill, which gives you a concrete repo context, update history, and direct ownership trail.
Once you confirm the scope looks right, test it on a small task before making it part of a larger workflow. If it improves consistency, keep it. If it is too broad, outdated, or conflicts with your own process, treat it as a reference rather than a drop-in rule. That is the healthiest way to use directory-discovered skills: not as magic plugins, but as reusable operational knowledge that still deserves judgment.
SKILL.md preview
Previewing the source is one of the fastest ways to judge whether a skill is truly useful. This snippet comes from the public file in the linked repository.
--- name: postkit description: PostgreSQL-native identity, configuration, metering, and job queues. SQL functions that work with any language or driver. Use when working with user management, sessions, permissions, access control, login/logout, MFA, password resets, relationship-based access, versioned configuration, prompts, usage tracking, quotas, billing periods, or background jobs in PostgreSQL. Covers authn (user/session management), authz (ReBAC permissions), config (versioned key-value storage), meter (usage tracking with reservations), and queue (job scheduling with retries and dead letters). --- ## Setup (REQUIRED FIRST STEP) Clone the repository if not already present: ```bash [ -d postkit ] || git clone https://github.com/varunchopra/postkit.git ``` Then build the dist files: ```bash cd postkit && make build && cd .. ``` Install the SQL schema on the user's database: ```bash psql $DATABASE_URL -f postkit/dist/postkit.sql # Or individual modules: postkit/dist/authn.sql, postkit/dist/authz.sql, postkit/dist/config.sql, postkit/dist/meter.sql, postkit/dist/queue.sql ``` For the optional Python SDK: ```bash pip install -e "./postkit/sdk[binary]" ``` ## Requirements **All languages** (SQL functions): - PostgreSQL 14+ - Schema installed from `dist/` files **Python SDK only** (optional wrapper): - `psycopg>=3.1.0` (not psycopg2) - Python 3.11+ ## Instructions 1. Read `postkit/AGENTS.md` for multi-tenancy, hashing, login flows, and module API maps 2. Read the relevant module docs based on what the user needs: - Authentication (users/sessions): `postkit/d ...