404kidwiz

Use when a task is non-trivial and no preloaded skill clearly fits, when the user asks which skill to use, or when the user wants to manage, trim or audit a large skill library. Routes to the right skill via search_skills/read_skill and runs skillrouter…

Audit web UI against WCAG: color contrast, keyboard navigation, focus order and screen reader labels. Use when checking accessibility.

Authentication with JWT and OAuth2: issuing and refreshing tokens, session security, password hashing and login flows. Use when implementing login or auth middleware.

AWS Lambda functions with API Gateway, IAM roles, layers and deployment through SAM or CDK. Use when building serverless on AWS.

Application caching: Redis, HTTP cache headers, invalidation strategies and memoization. Use when adding or fixing a cache.

Build apps with the Claude API and the Anthropic SDK: messages, tool use, streaming, prompt caching and batches. Use when code imports anthropic.

Chart and dashboard design: picking the chart type, color scales, labels and accessibility. Use when creating charts or plots.

Zero-downtime database migrations: expand and contract, backfills, rollbacks and locks for Postgres and MySQL. Use when changing a schema.

Use when planning or implementing launch videos, motion graphics, animated shorts, footage edits, or web motion; route to audited motion skills and verify rights, rendering and accessibility before shipping.

Applies motion design principles to create emotionally-driven, technically sound animations and transitions. Provides timing, easing, choreography, and Disney animation principles adapted for UI. Use when creating animations, transitions, micro-interactions,…

Write production-grade prompts for ComfyUI Cloud (cloud.comfy.org) and local ComfyUI blueprints. Provides MCSLA prompt structure (Model · Camera · Subject · Look · Action), cinematic vocabulary, model routing across BFL Flux, OpenAI DALL-E, Stability SD3,…

Use for software work that can touch real users, data or money, including building features, fixing, hardening, reviews and readiness checks, dependency or vendor choices, architecture and deployment planning. An engineering guardrail for people shipping real…

Use when choosing visual references, UI components, animation, assets, or AI design builders from the 40-resource design list; turn inspiration into a project-specific, accessible, verified implementation without bulk-installing dependencies.

Opt-in coaching for explaining software systems clearly. Use only after an explicit invocation of system-explanation or System explanation on. A normal summary request does not activate it. System explanation off or normal summaries stops the coaching…

Track where a product is mentioned across Reddit and Hacker News via the 404 Mentions API. Use when the user asks "who's talking about X", "find mentions of my product", competitive monitoring, or launch-reaction tracking. Returns recent mentions with source,…

Pull live Polymarket weather-market data (all city temperature events worldwide) plus the daily weather-leaderboard winners and biggest-wins feed, then compile everything into a polished, formatted .xlsx daily report. New in v3: a full trading bot that finds…