Skill UI

Polis Protocol transforms static AI agent workflows into a self-improving, dynamic team environment. It uses a learning router to assign tasks based on an agent's historical track record and effectiveness on specific domains, rather than fixed roles. It is vendor-agnostic, allowing diverse agents (e.g., Claude, Gemini) to collaborate under a unified, auditable governance structure where agents can propose and vote on amending the protocol's core rules.

This skill provides expert guidance on writing highly portable shell scripts that adhere strictly to POSIX standards. It teaches users how to avoid shell-specific extensions (like advanced arrays, specific conditionals, or GNU features) to ensure maximum compatibility and robustness across diverse Unix-like systems (Linux, BSD, Solaris, etc.). Ideal for critical infrastructure scripting and environments requiring extreme cross-platform reliability.

A comprehensive guide maintained by Supabase for optimizing Postgres performance. It provides critical rules and best practices across query performance, schema design, connection management, and security (including RLS). Use this skill when writing, reviewing, or optimizing complex SQL queries, database schemas, or configurations to ensure optimal database health and performance.

Execute safe read-only SQL queries against PostgreSQL databases with multi-connection support and defense-in-depth write protection. Ideal for schema exploration, data retrieval, and analysis without risking accidental writes.

Design efficient PostgreSQL schemas using best practices for data types, indexing, and constraints. Covers normalization, partitioning, and performance optimization for scalable database systems.

A comprehensive guide for using psql, PostgreSQL's interactive terminal. Covers connection methods, security best practices, environment variables, script execution, and database object inspection commands. Essential for database administrators and developers managing PostgreSQL instances via command line.

Administer, optimize, and secure PostgreSQL databases in development and production environments. Covers installation, configuration tuning, backups, streaming replication, and security best practices.

A powerful toolset for automating core PostHog product analytics tasks via Rube MCP. It enables developers and analysts to capture user events, list and filter event data, manage feature flags (creation, retrieval, listing), and inspect user profiles. Ideal for integrating advanced product tracking and A/B testing workflows directly into development pipelines.

This skill generates complete, import-ready Postman Collection v2.1 JSON files from natural language API descriptions or cURL commands. It parses headers, authentication, body, and query parameters to create structured API collections and companion environment files. Ideal for API testing and development workflows.

This skill generates Newman CLI commands, configuration files, Jenkins pipeline scripts, and shell automation for running Postman collections in CI/CD or local environments. It helps automate API testing workflows by creating reusable scripts and pipeline configurations that integrate seamlessly with development and deployment processes, ensuring consistent test execution.

Converts OpenAPI 3.x or Swagger 2.0 specifications into Postman Collection v2.1 JSON files. Automatically maps paths, parameters, authentication, and generates example request bodies. Includes environment variable extraction for seamless API testing and development workflows.

Automates Postmark transactional email operations through Rube MCP’s Composio toolkit, covering templated batch sends, template management, delivery stats, bounce handling, and server configuration with guided tool sequences and checks.