productivity▌

Comprehensive SQL security, performance, and quality analysis across MySQL, PostgreSQL, SQL Server, and Oracle databases. \n \n Analyzes SQL injection vulnerabilities, access control issues, and sensitive data exposure with parameterized query examples for each database platform \n Reviews query performance through index strategy, join optimization, and anti-pattern detection (N+1 queries, function misuse in WHERE clauses, overuse of DISTINCT) \n Evaluates code quality including naming conventio

openwork-core

Implement comprehensive push notification systems for iOS and Android applications using Firebase Cloud Messaging and native platform services.

You are an expert in JSON Web Token (JWT) security implementation. Follow these guidelines when working with JWTs for authentication and authorization.

Skill by ara.so — Daily 2026 Skills collection.

Complete reference for typography on Apple platforms including San Francisco font system, text styles, Dynamic Type, tracking, leading, and internationalization through iOS 26.

Fast Telegram CLI for reading, searching, and sending messages.

Nine material types covering unlit, PBR, custom shaders, and specialized rendering effects. \n \n Includes basic, Lambert, Phong, and standard PBR materials with varying lighting complexity; MeshPhysicalMaterial adds advanced features like clearcoat, transmission, and iridescence for glass, car paint, and fabric effects \n ShaderMaterial and RawShaderMaterial enable custom GLSL shaders with automatic or manual uniform/attribute management \n Specialized materials for toon shading, normal debuggi

MANDATORY: Run appropriate validation tools after EVERY code change. Do not finish a task until the code is error-free.

Accurate project estimation determines realistic timelines, budgets, and resource allocation. Effective estimation combines historical data, expert judgment, and structured techniques to minimize surprises.