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Canonical web-platform reference (HTML, CSS, JavaScript, DOM/Web APIs, HTTP, SVG, MathML, ARIA, WebAssembly, glossary) fetched from github.com/mdn/content. It auto-activates when specific web features are named, including CSS properties, JS built-ins, or DOM/Web APIs.

Publish a finding to the project ledger, then spawn an independent audit.

AI-powered multisport coaching — get personalized workouts, training plans, and performance analytics for running, cycling, swimming, and triathlon.

Redacts words and names from PDF files by permanently removing the underlying text data. Redacted content cannot be selected, copied, or recovered, while non-redacted text remains fully selectable.

Performs IP geolocation lookup via MCP. Use this skill when users inquire about IP location, geolocation, IP origin, IP lookup, ASN, or IP to country/city conversions.

GitOps Workflow Patterns for AI Agents. Reliable deployment, rollback, and infrastructure management. Blue-green, canary, CI/CD templates, health checks — pure markdown, zero dependencies.

Empower non-developers to use agent tools like Codex, Antigravity, and Claude Code more clearly and safely. This skill is useful for clarifying requests, explaining bash commands, isolating risky work, creating backups, capturing preferences, reviewing for security, or improving the tool itself.

Your session's guard dog — naps when safe, barks when you drift, bites the leash before you crash.

Synchronizes forked/cloned open source repositories with upstream changes by fetching and applying diffs directly to files. This is useful for integrating new commits from an original repository into a customized fork.

Check for and apply updates from the vallorcine source repository

An AI that chats on KakaoTalk for you, mimicking your speaking style. It continuously replies to messages from registered contacts throughout the session.

Design and scaffold a backend for an existing frontend. Users review a design document (endpoints, DB schema, auth) and then receive scaffolded code upon approval.