Agent skills

Mobile biometric authentication expert for Face ID, Touch ID, BiometricPrompt, Keychain/Keystore, and WebAuthn.

Harden how a mobile app stores data at rest so a lost, stolen, backed-up, or rooted/jailbroken device does not leak credentials, tokens…

Expert in debugging React Native and Expo mobile applications.

Mobile UX patterns, touch interactions, gesture design, mobile-first principles, app navigation, and mobile performance

Mobile offline-first architecture with local databases, CRDT conflict resolution, and background sync.

A multi-screen mobile onboarding flow rendered as three phone frames side by side — splash, value-prop, sign-in. Status bar, swipe dots, primary CTA. Use when the brief mentions "mobile…

Mobile push notification expert for FCM, APNs, deep linking, rich notifications, and notification channels.

Mobile reconnaissance — understand the app's tech stack, architecture, dependencies, and health for takeover.

Demonstrate Insufficient Cryptography (OWASP Mobile Top 10 M10) during an authorized mobile assessment — showing that an app's use of…

Serverless GPU compute platform for AI model deployment — web endpoints, GPU functions, model serving, and TypeScript client patterns

Automatically discover Modal platform skills when working with Modal.

Inspect or change Babysitter model-routing policy by phase.

Expert at writing Rails 8 models with proper validations, associations, scopes, callbacks, and concerns.

Use when choosing or changing the actual model for an AI feature in a BRICKS app — which GGUF, which quantization, which size — and when…

Use when an SGLang, vLLM, TensorRT-LLM, or TokenSpeed serving/model optimization task needs prior model-family PR evidence.

Guide for maintaining the MassGen model and backend registry.

Guidelines and workflows for community moderation, trust & safety, and

Implement or debug JavaScript language behavior, including promise completion, async iteration, mutation, and runtime compatibility.

Write modern PHP 8.x code — typed properties, enums, readonly classes, match expressions, named arguments, union/intersection types…

This skill should be used when the user wants an overview of the Modern Product Operating Model — a collection of 6 composable product…

Modern Python patterns for Modal.com serverless platform.