The Agent Skills Directory

[Security-First Invariants]: The skill enforces strict project invariants that promote secure development practices. For example, it mandates that user identities are derived from secure session headers rather than request bodies or model inputs, mitigating potential Insecure Direct Object Reference (IDOR) vulnerabilities.
[Sandboxed Code Execution]: In Lesson 4.4, the skill implements a sandbox environment with a 'deny-all' network policy for executing model-generated code. This ensures that potentially untrusted code runs in isolation without access to sensitive local resources or external networks.
[Official Content Fetching]: The skill fetches lesson requirements and instructions from official Vercel Academy domains. This practice is consistent with its role as a course companion and utilizes well-known, trusted infrastructure for data retrieval.
[Defensive Implementation Guidance]: The curriculum includes explicit lessons on implementing rate limiting, bot protection (BotID), and firewall rules. These components are designed to teach students how to protect their applications from scripted attacks and excessive resource consumption.
[Codebase Analysis for Progress Detection]: The agent is instructed to read the user's project files to detect course progress. While reading untrusted data is a common attack surface, the context of a technical course for a founder using an agent makes this behavior expected and functional.

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