Performance optimization, API design & compatibility, security vulnerabilities, and standards spec compliance for workerd code review. Covers tcmalloc-aware perf analysis, compat flags, autogates, web standards adherence, and security patterns. Load this skill when reviewing API changes, performance-sensitive code, security-relevant code, or standards implementations.
apm install @cloudflare/workerd-api-review
[](https://apm-p1ls2dz87-atlamors-projects.vercel.app/packages/@cloudflare/workerd-api-review)---
name: workerd-api-review
description: Performance optimization, API design & compatibility, security vulnerabilities, and standards spec compliance for workerd code review. Covers tcmalloc-aware perf analysis, compat flags, autogates, web standards adherence, and security patterns. Load this skill when reviewing API changes, performance-sensitive code, security-relevant code, or standards implementations.
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**Always** use the `docs/reference/api-review-checklist.md` file for detailed checklists on performance optimization, API design, security vulnerabilities, and standards compliance when planning, writing, or reviewing code changes.