The Agent Skills Directory

[SAFE]: The skill consists entirely of instructional markdown documents providing guidance on writing and reviewing modern JavaScript (ECMAScript 2020 through 2026).
[SAFE]: Includes explicit security recommendations for the agent, such as using RegExp.escape to prevent injection, avoiding prototype pollution during object merges, and using crypto.getRandomValues for sensitive tokens.
[SAFE]: References authoritative documentation and standards from trusted organizations, including the TC39 proposals repository, the Mozilla Developer Network (MDN), and Microsoft's TypeScript documentation.
[SAFE]: Promotes defensive programming practices, such as strict equality comparisons, proper error propagation using the cause property, and correct handling of asynchronous operations to prevent floating promises.

javascript