- Cloudflare BrowserControl headless Chrome via Cloudflare Browser Rendering CDP WebSocket. Use for screenshots, page navigation, scraping, and video capture when browser automation is needed in a Cloudflare Workers environment. Requires CDP_SECRET env var and cdpUrl configured in browser.profiles.cloudflare/moltworker9,915
- Add AutogateStep-by-step guide for adding a new autogate to workerd for gradual rollout of risky changes, including enum registration, string mapping, usage pattern, and testing.cloudflare/workerd8,367
- Add Compat FlagStep-by-step guide for adding a new compatibility flag to workerd, including capnp schema, C++ usage, testing, and documentation requirements.cloudflare/workerd8,367
- Bazel Test HygieneMandatory 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.cloudflare/workerd8,367
- Commit CategoriesCommit categorization rules for changelogs and "what's new" summaries. MUST be loaded before categorizing commits in changelog or whats-new commands. Provides the canonical path-based category table used to group commits by area.cloudflare/workerd8,367
- Dad JokesAfter completing any task that took more than ~5 tool calls, or after long-running builds/tests finish, load this skill and deliver a dad joke to lighten the mood. Also load before any user-requested joke, pun, or limerick. Never improvise jokes without loading this skill first.cloudflare/workerd8,367
- Find And Run TestsHow to find, build, and run tests in workerd. Covers wd-test, kj_test target naming, bazel query patterns, and common flags. Also covers parent project integration tests if workerd is used as a submodule. Load this skill when you need to locate or run a test and aren't sure of the exact target name or invocation.cloudflare/workerd8,367
- Identify ReviewerIdentifies the local user's GitHub account and git identity before performing code reviews. Load this skill at the start of any PR review, code review, or commit log analysis so findings can be framed relative to the user's own prior comments, commits, and approval status.cloudflare/workerd8,367
- Investigation NotesStructured scratch tracking document for investigation state during bug hunts - prevents re-reading code, losing context, and rabbit holes; maintains external memory so you don't re-derive conclusionscloudflare/workerd8,367
- Kj StyleKJ/workerd C++ style guidelines for code review. Covers naming, type usage, memory management, error handling, inheritance, constness, and formatting conventions. Load this skill when reviewing or writing C++ code in the workerd codebase.cloudflare/workerd8,367
- Markdown DraftsUse markdown formatting when drafting content intended for external systems (GitHub issues/PRs, Jira tickets, wiki pages, design docs, etc.) so formatting is preserved when the user copies it. Load this skill before producing any draft the user will paste elsewhere.cloudflare/workerd8,367
- Module RegistryLoad when working with the module registry in workerd — reading, modifying, debugging, or reviewing module resolution, compilation, evaluation, or registration code. Provides pointers to three reference documents covering the legacy registry, V8 module internals, and the new registry design.cloudflare/workerd8,367
- Parent Project SkillsBootstrap skill for discovering additional skills and context from a parent project when workerd is used as a submodule. Load this skill when tasks span project boundaries (e.g., Sentry/production investigation, integration testing, cross-repo debugging).cloudflare/workerd8,367
- Pr Review GuideGuidelines 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.cloudflare/workerd8,367
- Receiving Code ReviewUse when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable - requires technical rigor and verification, not performative agreement or blind implementationcloudflare/workerd8,367
- Rust ReviewRust code review for workerd. Covers CXX FFI safety, unsafe code patterns, JSG resource conventions, error handling, and a review checklist adapted from the C++ review skills. Load this skill when reviewing Rust code in src/rust/.cloudflare/workerd8,367
- Test Driven InvestigationUse when investigating bugs, crashes, assertions, or unexpected behavior - requires writing a reproducing test early instead of over-analyzing source code; concrete experiments over mental modelscloudflare/workerd8,367
- Ts StyleJS/TS style guidelines and review checklist for workerd. Covers TypeScript strictness, import conventions, export patterns, private field syntax, error handling, feature gating, and test structure. Load this skill when reviewing or writing JavaScript or TypeScript code in src/node/, src/cloudflare/, or JS/TS test files under src/workerd/.cloudflare/workerd8,367
- Update V8Step-by-step guide for updating the V8 JavaScript engine in workerd, including patch rebasing, dependency updates, integrity hashes, and verification. Load this skill when performing or assisting with a V8 version bump.cloudflare/workerd8,367
- Verification Before CompletionUse when about to claim work is complete, fixed, or passing, before committing or creating PRs - requires running verification commands and confirming output before making any success claims; evidence before assertions alwayscloudflare/workerd8,367
- Wd Test FormatDetailed guide for authoring .wd-test files in workerd, with examples of bindings, Durable Objects, multi-service configs, TypeScript tests, and network access.cloudflare/workerd8,367
- Workerd Api ReviewPerformance 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.cloudflare/workerd8,367
- Workerd Safety ReviewMemory safety, thread safety, concurrency, and critical detection patterns for workerd code review. Covers V8/KJ boundary hazards, lifetime management, cross-thread safety, and coroutine pitfalls. Load this skill when reviewing any C++ code.cloudflare/workerd8,367
- Migrate To VinextMigrates Next.js projects to vinext (Vite-based Next.js reimplementation). Load when asked to migrate, convert, or switch from Next.js to vinext. Handles compatibility scanning, package replacement, Vite config generation, ESM conversion, and deployment setup (Cloudflare Workers natively, other platforms via Nitro).cloudflare/vinext8,304
- Code ReviewReview code changes for correctness, clarity, and risk. Use when the user asks for a review, a second opinion on a diff, or feedback on code they wrote.cloudflare/agents5,224
- Debug PlanCreate a systematic debugging plan for a bug report. Use when the user asks how to investigate a failure, regression, or unexpected behavior.cloudflare/agents5,224
- EscalationDecide when and how to escalate a customer conversation to a human agent. Use when a request is high-risk, the customer is frustrated, or the issue is outside what you can resolve.cloudflare/agents5,224
- Open PrTake a cloudflare/agents GitHub issue plus any repro findings and one-shot a fix PR — branch, change, test, push, and open the PR linked to the issue.cloudflare/agents5,224
- Pirate VoiceRewrite or answer in a playful pirate voice. Use when the user asks for pirate tone, nautical phrasing, or says to talk like a pirate.cloudflare/agents5,224
- Release NotesDraft short release notes from a list of changes. Use when the user asks for changelogs, release notes, or a concise product update.cloudflare/agents5,224
- ReproduceReproduce a cloudflare/agents GitHub issue by scaffolding a minimal Agents/Worker project and deploying it to a temporary Cloudflare account, then report findings back on the issue.cloudflare/agents5,224
- Test PlanProduce a focused test plan for a change. Use when the user asks how to test a feature, what cases to cover, or for a QA checklist before shipping.cloudflare/agents5,224
- Workspace DigestSummarize the files saved in this assistant's shared workspace. Use when the user asks what is in their workspace, for a file inventory, or a digest of saved work.cloudflare/agents5,224
- Cloudflare Bundler AppsAuthor Cloudflare Worker Bundler-compatible apps that build and preview correctly inside a space. Use this skill whenever you scaffold, modify, or deploy a project that will be built with `@cloudflare/worker-bundler` (i.e. anything served from `/space/:name/preview/:branch/`). Covers wrangler config, project layout, static asset rules, server entry conventions, npm dependency limits, and the most common cause of blank previews (JSX in browser scripts).cloudflare/vibesdk5,130
- Frontend DesignCreate distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.cloudflare/vibesdk5,130
- Frontend Design Landing PageMarketing landing page and conversion-focused product page reference. Use this skill when building hero sections, feature grids, pricing pages, testimonials, CTAs, footers, navigation bars, or any public-facing marketing surface. Covers a warm, professional, developer-friendly design language (cream backgrounds, generous whitespace, pill CTAs, corner-bracket card decorations) and a complete token set, animation system, and copy-paste component snippets. NOT for product/dashboard UIs — use frontecloudflare/vibesdk5,130
- Frontend Design SaasS-tier SaaS dashboard and product UI reference. Use this skill when building application shells, data tables, settings panels, billing pages, dashboards, auth flows, admin tools, or any internal/customer-facing SaaS product UI. Inspired by Stripe, Linear, Vercel, Airbnb, Notion. Covers neutral-led design tokens, sidebar+content shells, dense data UIs, form-heavy configuration pages, command palettes, empty states, and the accessibility (WCAG AA+) bar these products clear.cloudflare/vibesdk5,130
- ContributingUse when contributing to the Cloudflare Docs repository — writing or editing documentation pages, choosing content types or components, adding changelog entries, reviewing docs, or learning how to contribute.cloudflare/cloudflare-docs4,903
- Dependabot ReviewAnalyzes a Dependabot PR to determine what actually changed in each bumped package and whether those changes affect this repo. Reports changed APIs/methods, which doc pages use them, and the realistic probability of any visible impact on the docs site.cloudflare/cloudflare-docs4,903
- Dependabot ReviewReviews a Dependabot PR for the cloudflare/cloudflare-docs repo. Analyzes every bumped package — what changed upstream, how this repo uses it, and whether the bump requires action beyond merging.cloudflare/cloudflare-docs4,903
- Eli5Transform technical jargon into clear explanations using before/after comparisons, metaphors, and practical contextcloudflare/cloudflare-docs4,903
- PrCreates and updates GitHub pull requests for cloudflare-docs changes. Load when asked to open, create, submit, update, or edit a PR, or write a PR title or description. Covers title conventions, branch naming, PR body structure, and the documentation checklist template.cloudflare/cloudflare-docs4,903
- Reconcile Code ReviewReconcile raw specialist findings against the previous bot review and human PR comments to produce a final classified finding list.cloudflare/cloudflare-docs4,903
- Sandbox 2026 DeprecationMigrate Cloudflare Sandbox SDK codebases away from features deprecated in June 2026 (HTTP and WebSocket transports, desktop, exposePort, default sessions, and stream-specific file and command APIs).cloudflare/cloudflare-docs4,903
- Spam And Off Topic FilterEvaluate a GitHub issue or pull request and decide if it is spam or clearly off-topic for cloudflare/cloudflare-docs.cloudflare/cloudflare-docs4,903
- Style Guide ReviewReview changed MDX/docs files in a pull request against the Cloudflare docs style guide and return structured findings.cloudflare/cloudflare-docs4,903
- Workers Code ReviewReviews Workers and Cloudflare Developer Platform code for type correctness, API usage, and configuration validity. Load when reviewing TypeScript/JavaScript using Workers APIs, wrangler.jsonc/toml config, or Cloudflare bindings (KV, R2, D1, Durable Objects, Queues, Vectorize, AI, Hyperdrive).cloudflare/cloudflare-docs4,903
- Local ExplorerHow to add products/resources to the local explorer or local API. Use when implementing new local APIs, or UI routes under packages/miniflare/src/workers/local-explorer or packages/local-explorer-ui.cloudflare/workers-sdk4,287
- Index KnowledgeGenerate hierarchical AGENTS.md knowledge base for a codebase. Creates root + complexity-scored subdirectory documentation.cloudflare/kumo2,398
- Agents SdkBuild AI agents on Cloudflare Workers using the Agents SDK. Load when creating stateful agents, durable workflows, real-time WebSocket apps, scheduled tasks, MCP servers, chat applications, voice agents, or browser automation. Covers Agent class, state management, callable RPC, Workflows, durable execution, queues, retries, observability, and React hooks. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.cloudflare/skills2,040
- CloudflareComprehensive Cloudflare platform skill covering Workers, Pages, storage (KV, D1, R2), AI (Workers AI, Vectorize, Agents SDK), feature flags (Flagship), networking (Tunnel, Spectrum), security (WAF, DDoS), and infrastructure-as-code (Terraform, Pulumi). Use for any Cloudflare development task. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.cloudflare/skills2,040
- Cloudflare Email ServiceSend and receive transactional emails with Cloudflare Email Service (Email Sending + Email Routing). Use when building email sending (Workers binding or REST API), email routing, Agents SDK email handling, or integrating email into any app — Workers, Node.js, Python, Go, etc. Also use for email deliverability, SPF/DKIM/DMARC, wrangler email setup, MCP email tools, or when a coding agent needs to send emails. Even for simple requests like "add email to my Worker" — this skill has critical config cloudflare/skills2,040
- Cloudflare OneGuides Cloudflare One Zero Trust and SASE work across Access, Gateway, WARP, Tunnel, Cloudflare WAN, DLP, CASB, device posture, and identity. Use when designing, configuring, troubleshooting, or reviewing Cloudflare One deployments. Retrieval-first: use current Cloudflare docs/API schemas instead of embedded product docs.cloudflare/skills2,040
- Cloudflare One MigrationsPlans migrations from Zscaler ZIA/ZPA, Palo Alto, legacy VPN, SWG, or SASE stacks to Cloudflare One. Use for migration assessments, policy mapping, rollout plans, and parity/gap analysis.cloudflare/skills2,040
- Durable ObjectsCreate and review Cloudflare Durable Objects. Use when building stateful coordination (chat rooms, multiplayer games, booking systems), implementing RPC methods, SQLite storage, alarms, WebSockets, or reviewing DO code for best practices. Covers Workers integration, wrangler config, and testing with Vitest. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.cloudflare/skills2,040
- Sandbox SdkBuild sandboxed applications for secure code execution. Load when building AI code execution, code interpreters, CI/CD systems, interactive dev environments, or executing untrusted code. Covers Sandbox SDK lifecycle, commands, files, code interpreter, and preview URLs. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.cloudflare/skills2,040
- Turnstile SpinSet up Cloudflare Turnstile end-to-end in a project — scan the codebase, create the widget via the Cloudflare API, deploy the managed siteverify Worker, write the frontend snippets, validate, and persist the skill. Load this when a user asks to add Turnstile, set up CAPTCHA, protect a form from bots, or fix a Turnstile integration. Mirrors developers.cloudflare.com/turnstile/spin.cloudflare/skills2,040
- Web PerfAnalyzes web performance using Chrome DevTools MCP. Measures Core Web Vitals (LCP, INP, CLS) and supplementary metrics (FCP, TBT, Speed Index), identifies render-blocking resources, network dependency chains, layout shifts, caching issues, and accessibility gaps. Use when asked to audit, profile, debug, or optimize page load performance, Lighthouse scores, or site speed. Biases towards retrieval from current documentation over pre-trained knowledge.cloudflare/skills2,040
- Workers Best PracticesReviews and authors Cloudflare Workers code against production best practices. Load when writing new Workers, reviewing Worker code, configuring wrangler.jsonc, or checking for common Workers anti-patterns (streaming, floating promises, global state, secrets, bindings, observability). Biases towards retrieval from Cloudflare docs over pre-trained knowledge.cloudflare/skills2,040
- WranglerCloudflare Workers CLI for deploying, developing, and managing Workers, KV, R2, D1, Vectorize, Hyperdrive, Workers AI, Containers, Queues, Workflows, Pipelines, and Secrets Store. Load before running wrangler commands to ensure correct syntax and best practices. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.cloudflare/skills2,040