A comprehensive skill containing 152 prioritized rules across 12 categories for reviewing web interface implementations, from animation principles and timing functions to UX laws and visual design, each with incorrect vs. correct code examples.

A practitioner's guide to maximizing agent capabilities with minimal tooling — covering context management, sycophancy exploitation, task contracts, and iterative rules/skills architecture.

Six battle-tested context engineering principles from Manus's production agent — including KV-cache optimization, logit masking over tool removal, filesystem-as-memory, attention manipulation through todo recitation, preserving error traces, and breaking few-shot pattern imitation.

OpenAI's practical guide covering the three pillars of agent construction — choosing the right model, defining tools clearly, and writing effective instructions — with actionable advice on guardrails and evaluation.

Anthropic's guide to building effective AI agents, covering workflow patterns like prompt chaining, routing, parallelization, and the orchestrator-workers pattern. Emphasizes simplicity and starting with the least complex solution.