Skill UI

A comprehensive guide to implementing secure integration practices for Linktree APIs. Covers critical topics including secure secret management, robust webhook signature verification (HMAC-SHA256), input sanitization against XSS, and data redaction of Personally Identifiable Information (PII). Essential for developing resilient and secure third-party integrations.

This skill provides a comprehensive checklist and methodology for identifying Server-Side Template Injection (SSTI) vulnerabilities. It covers template engine identification (e.g., Jinja2, Twig), polyglot payload generation, systematic detection methods, and executing engine-specific Remote Code Execution (RCE) payloads. Ideal for security professionals testing web application input sanitization.

This skill guides the process of converting complex, repetitive, and often private operational workflows originating in the Hermes environment into safe, reusable, and public skills for the ECC workflow layer. It focuses heavily on data sanitization, requiring users to strip out all sensitive information such as absolute paths, private credentials, personal identifiers, and proprietary data before publication. Use this when an internal 'operator' routine needs to become a standardized, shareable business asset.

This skill enforces a rigorous data validation protocol by establishing hard boundaries at every point data enters the system (API requests, user input, environment variables, webhooks, etc.). It mandates a four-phase process: detection, trust classification, mandatory filtering (schema validation, sanitization, type checking), and final verification. This prevents untrusted data from reaching core business logic, mitigating risks like SQL injection and XSS.