integration▌

Comprehensive token security analyzer checking ERC20/ERC721 conformity, 24+ weird token patterns, and integration safety. \n \n Analyzes both token implementations and protocol integrations across 10 assessment categories, including contract composition, owner privileges, and on-chain scarcity \n Detects 24+ known weird token patterns (fee-on-transfer, missing return values, reentrant hooks, pausable tokens, blocklists, and more) with specific code evidence \n Integrates Slither analysis for ERC

Complete PayPal payment processing with express checkout, subscriptions, refunds, and webhook handling. \n \n Supports one-time payments, recurring billing, and payouts via client-side Smart Buttons or server-side REST API \n Includes IPN (Instant Payment Notification) webhook verification and processing for asynchronous payment updates \n Provides order creation, capture, refund, and subscription management with full OAuth token handling \n Handles payment status flows (completed, refunded, rev

Integrate external services into Claude Code plugins via Model Context Protocol servers with four transport types. \n \n Supports four server types: stdio for local processes, SSE for OAuth-enabled hosted services, HTTP for REST APIs with token auth, and WebSocket for real-time bidirectional communication \n Configure servers in .mcp.json or inline in plugin.json with environment variable expansion and automatic tool discovery and prefixing \n Handles authentication patterns including OAuth flow

This skill is limited to planning and scaffolding. It does not provide instructions or code for live provider execution.

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Expert guidance for implementing Mapbox search functionality in applications. Covers the complete workflow from asking the right discovery questions, selecting the appropriate search product, to implementing production-ready integrations following best practices from the Mapbox search team.

Implement robust webhook systems for event-driven architectures, enabling real-time communication between services and third-party integrations.

Build comprehensive email systems with SMTP integration, third-party email providers (SendGrid, Mailgun, AWS SES), HTML templates, email validation, retry mechanisms, and proper error handling.

Build secure payment processing systems with major payment providers (Stripe, PayPal, Square), handling transactions, subscriptions, webhooks, PCI compliance, and error scenarios across different backend frameworks.

Integrate external services into Claude Code plugins via Model Context Protocol servers with four connection types. \n \n Supports four server types: stdio for local processes, SSE for OAuth-enabled hosted services, HTTP for REST APIs with token auth, and WebSocket for real-time bidirectional communication \n Configure MCP servers in dedicated .mcp.json file or inline in plugin.json with environment variable expansion and automatic tool discovery \n Tools are automatically namespaced and prefixe