Build type-safe applications with confidence using TypeScript's powerful type system. Learn generics, conditional types, mapped types, and utility types through practical examples.

Managing Twitter presence manually consumes significant time and effort. This skill automates posts, searches, bookmarks, lists, and user interactions through Composio integration with Rube MCP.

Add SMS, voice calls, WhatsApp messaging, and 2FA to your applications using Twilio. This skill handles phone verification, IVR systems, and secure credential management with the official Twilio SDK.

Developers struggle to create effective learning materials that transform complex concepts into digestible lessons. This skill applies pedagogical design principles to generate progressive tutorials with hands-on exercises that build confidence.

Monorepo builds become slow and inefficient without proper caching. This skill provides production-ready Turborepo configurations for local and remote caching to dramatically reduce build times.

Struggling with flaky background tasks and complex async workflows? Trigger.dev provides TypeScript-first background job orchestration with built-in integrations, automatic retries, and excellent developer experience for AI pipelines and batch processing.

Stop manually managing Trello boards. This skill helps Claude create cards, move tasks, assign members, and search boards programmatically through the Rube MCP integration.

Software teams struggle with unclear work boundaries and lost context. Track Management provides a structured system for organizing work into spec-driven, phased tracks with clear progress visibility.

Learn to identify and remediate the 100 most critical web vulnerabilities. This systematic reference helps developers and security professionals understand attack vectors and implement proper defenses.

Security professionals struggle to keep track of the full spectrum of web application vulnerabilities. This comprehensive reference provides 100 categorized vulnerabilities with clear definitions, root causes, and actionable mitigations.

Poor tool design creates failure modes that no prompt engineering can fix. This skill provides principles for building tool interfaces optimized for AI agent reasoning and consumption.

Streamline your Todoist productivity by automating repetitive task operations through AI. Create, organize, and manage tasks, projects, and sections without manual clicking through the Todoist interface.

This skill enables automated video uploading, publishing, and content management on TikTok through Rube MCP, eliminating manual posting workflows.

Building 3D web experiences requires understanding scene setup, lighting, and rendering patterns. This skill provides systematic Three.js patterns for creating performant interactive 3D content.

Security teams struggle to identify threats systematically during system design. This skill applies structured methodologies like STRIDE and attack trees to find vulnerabilities before deployment.

Security teams struggle to connect identified threats with appropriate countermeasures. This skill provides structured frameworks and control libraries to map threats to effective mitigations.

Creating polished presentations and documents requires design expertise. Theme Factory provides 10 professionally curated themes with coordinated colors and fonts for instant visual impact.

This skill provides a structured testing and QA workflow covering unit tests, integration tests, E2E testing, browser automation, and quality gates for production-ready software.

This skill provides ready-to-use Jest testing patterns including factory functions, custom render utilities, and mocking strategies that help developers write maintainable, DRY tests following TDD principles.

When tests fail after refactoring or code changes, this skill groups errors by type and root cause, then fixes each group methodically to get the test suite passing.