workerd-api-review

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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Repository: cloudflare/workerd
Last source activity: February 25, 2026 at 19:10
Detected SKILL.md language: English
Stars: 8,598
Forks: 704

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ci-report

CI status report for a workerd PR. Covers GitHub Actions checks and, for Cloudflare employees, the internal GitLab pipeline. Reports pass/fail for every job, extracts error details from failures, and offers to retry flaky jobs on either platform. Load this skill when the user asks about CI status, test failures, build failures, or wants to retry a failed CI job.

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pr-review-guide

Guidelines for posting pull request review comments via GitHub CLI, including suggested edits format, handling unresolved comments, etiquette, and report/issue tracking. Load this skill when reviewing a PR via GitHub and posting inline comments.

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bazel-test-hygiene

Mandatory rules for running bazel tests during development. Load this skill before running any bazel test command, especially when validating fixes or verifying regression tests. Prevents false confidence from cached results, filter flags that silently match nothing, and partial test runs that miss breakage.

2026-03-19

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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.

workerd-api-review

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