cloudflare

Updates and triages the Web Platform Tests dependency in workerd. Use when asked to bump, update, or triage WPT.

Follow IWYU guidelines to improve build caching. This entails adding/removing C++

KJ/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.

Rust 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/.

JS/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…

Step-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.

Detailed guide for authoring .wd-test files in workerd, with examples of bindings, Durable Objects, multi-service configs, TypeScript tests, and network access.

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…

Cloudflare's official cf CLI (beta) for the public Cloudflare API and Workers projects. Use for finding and running Cloudflare commands from the terminal — sign-in and profiles, cf cli search, cf schema, cf deploy/dev/build, resource commands for DNS, zones,…

Discover and choose Cloudflare products for apps, APIs, AI agents, storage, networking, and security. Use for architecture and product selection, including when the user describes a need without naming a Cloudflare product; then find the relevant skill or…

Build, debug, or review Cloudflare Durable Objects code for persistent state and coordination.

Cloudflare Workers best practices for production applications. Use when writing, reviewing, or configuring Workers.

Build, debug, or review Cloudflare Agents SDK applications using the agents package.

Build and troubleshoot Cloudflare Basin analytics workflows with Basin Pipelines, Basin Catalog, and Basin SQL. Use for streaming data into R2 Iceberg tables, managing catalogs, or querying those tables; also use for requests using the former Data Platform,…

Implement or troubleshoot Cloudflare Email Sending and Email Routing integrations and their delivery configuration.

Assess and plan migrations from existing VPN, SWG, or SASE platforms to Cloudflare One, including policy mapping, parity gaps, and rollout.

How exec works in this workspace. The command is the source of an ECMAScript module, evaluated in a fresh Dynamic Worker, not a shell command. Read this before running code, and when a run fails with "Disallowed operation called within global scope" or…

How to write, change and check Gardener tasks (.gardener/tasks/*/TASK.md), the AI maintenance tasks this repository runs from GitHub Actions. Use before creating or editing anything under .gardener/.

Debug computerd in real-FUSE mode end-to-end without workerd, vitest-pool-workers, or wrangler in the loop. Boot the linux-x64 binary in a privileged docker container, drive its capnweb /api endpoint from Node, simulate DO-side sync from a SQLiteTestStorage,…

How exec works in this workspace. Commands run in bash in a real Linux container, with Node.js, git and network access, and the workspace is synced in and out around each call. Read this before running commands, installing packages, or debugging files that…

A sample skill shipped with the Worker. Read it to see how files bundled with computerBundle() reach the workspace, or run its script to check the shell works.

How exec works in this workspace. Commands run in just-bash, a bash interpreter inside a Dynamic Worker, not on a Linux machine. Read this before running a command, and when a command is "not found" or behaves differently from real bash.

Index of Cloudflare-platform skills relevant to this repo. Load when working on anything that touches Workers, Durable Objects, wrangler, the sandbox SDK, the agents SDK, or other Cloudflare platform surface. Triggers include "Cloudflare", "Workers", "Durable…

capnweb RPC patterns for this repo, with a heavy focus on stub lifecycle and disposal. Load when touching anything that crosses the Durable Object ↔ computerd boundary: packages/rpc, packages/computer, the computerd client, or the Durable Object server.…

Build AI features in generated apps using the platform-provided Workers AI binding. Load this skill for chatbots, summarization, classification, embeddings, semantic search, image understanding, transcription, translation, or other model inference.

Author 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…

Marketing 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,…

S-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,…

Create 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,…

Creates and updates pull requests and merge requests for cloudflare-docs changes. Covers title conventions, branch naming, request body structure, and documentation checklist templates. Load when asked to open, create, submit, update, or edit a PR or MR, or…

Transform technical jargon into clear explanations using before/after comparisons, metaphors, and practical context

Use 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.

Reviews 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,…

Call the Sample Co Weather API for forecasts, current conditions, severe-weather alerts and weather-dependent decisions at a place. Use when a task needs weather data for coordinates or a place name, or code that integrates the Weather API.

Create, write and deploy a documentation site with Nimbus (Astro). Use when a user wants a new docs site, wants to add pages or components to a Nimbus site, or wants to check, upgrade or deploy one.

Deploy this documentation site to Cloudflare Workers with Wrangler. Use when asked to ship or preview the docs.

Write documentation pages in this site's house style. Use when adding or editing docs content.

How to write, change and check Gardener tasks (.gardener/tasks/*/TASK.md), the AI maintenance tasks this repository runs from GitHub Actions. Use before creating or editing anything under .gardener/.

Reproduce 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.

Take 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.

Guides implementation of Gatekeeper Workers that bridge Gadgets to external services. Covers auth, capability-based API design, approval queue integration, action kinds and auto-approval verdicts, caching, and action simulation. Load when creating, modifying,…

Use for creating, modifying, moving, or reviewing React frontend code anywhere in packages/*, including Workshop pages, gatekeeper management apps, shared UI, components, hooks, forms, interactions, styling, accessibility, and frontend tests.

Generate hierarchical AGENTS.md knowledge base for a codebase. Creates root + complexity-scored subdirectory documentation.

Cloudflare product design guidance. Use when designing, implementing, or reviewing Cloudflare dashboard interfaces, Kumo UI, responsive styling, dialogs, or frontend tests.

Add or maintain PolyStella in an existing Astro project. Use when integrating AI-driven build-time content localization, configuring R2 caching, wiring locale-prefixed routes, or debugging an existing PolyStella setup in a downstream project.

Edit the PolyStella package source. Use when adding a file-format adapter, adding a CLI subcommand, adding a translation provider, modifying the cache contract, debugging a translation regression, or otherwise working on the package itself (not consuming it).

Guides implementation of Gatekeeper Workers that bridge Gadgets to external services. Covers auth, capability-based API design, approval queue integration, caching, and action simulation. Load when creating, modifying, or reviewing the implementation of a…

Guides cloudflare/cloudflare-os-starter setup, Cloudflare Access, deployment.jsonc, storage, AI, observability, custom Gatekeepers, deployment, verification, troubleshooting, rollback, and pinned-submodule upgrades. Use only for deployments created from the…

Security guidance and vulnerability review for codebases, APIs, services, CLI tools, libraries, and daemons. Use for security questions, focused reviews, vulnerability research, security audits, or pen tests. Run the complete workflow only for explicit…