Configure and validate Mercado Pago webhooks.
Expert system for searching USPTO MPEP, 35 USC statutes, 37 CFR regulations, and post-Jan 2024 updates.
MPI workflow pack - Create a compact/default MPI plan for normal work.
Implement MPP client-side payment handling with mppx.fetch().
Validate MPP implementations against the specification — verify HTTP 402 challenge-response compliance, header formats, payment method…
Cross-cutting MPP development patterns — security, replay protection, HMAC challenge binding, receipt validation, error handling, retry…
Implement MPP payment proxies — wrap existing APIs with HTTP 402 payment gates without modifying the upstream service.
Scaffold an MPP project — install mppx SDK, configure payment methods, set up server middleware, and create a basic paid API endpoint.
Implement MPP server-side middleware for Hono, Express, Next.js, and Elysia.
Implement MPP service discovery — OpenAPI documents with x-payment-info extensions, x-service-info metadata, and llms.txt for autonomous…
Implement MPP session-based streaming payment flows — authorize-once pay-as-you-go patterns for continuous data feeds, per-token billing…
Implement Shared Payment Token (SPT) lifecycle management for MPP — creation, usage, deactivation, webhook events, and reconciliation.
Explicit short alias for the `muggle-preferences` skill.
This skill SHOULD be used when the user asks to "get code blocks from README", "extract links from markdown", "find all headers in this…
Audit and improve web accessibility following WCAG 2.1 guidelines.
Master context engineering for AI agent systems.
Work with MongoDB (document database, BSON documents, aggregation pipelines, Atlas cloud) and PostgreSQL (relational database, SQL…
Deploy to Cloudflare (Workers, R2, D1), Docker, GCP (Cloud Run, GKE), Kubernetes (kubectl, Helm).
Manage Model Context Protocol (MCP) servers - discover, analyze, and execute tools/prompts/resources from configured MCP servers.
Package entire code repositories into single AI-friendly files using Repomix.
Create beautiful, accessible user interfaces with shadcn/ui components (built on Radix UI + Tailwind), Tailwind CSS utility-first styling…