Cloudflare Engineering Blog & Tech Articles

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690 engineering articles, tutorials, and technical insights from Cloudflare's engineering team

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Cloudflare

Advanced

Everything we launched during Agents Week

AstroAWSCloudflare WorkersengineeringFortrangRPCJavaScriptJSONKubernetesNode.jsPythonRustSwiftTypeScriptWebAssembly

9 min read

Includes Code

Cloudflare

Advanced

Unifying Workers AI and AI Gateway into a single AI control plane

AWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactREST APIRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

Cloudflare

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Announcing Cloudflare Ambassadors, Community Engineers, and another $1M in open-source funding

AmbassadorAstroAWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

Cloudflare

Advanced

Introducing Radar Researcher: An AI tool for exploring Internet data in plain language

AWSCloudflare WorkersengineeringFortranHTMLJavaScriptJSONKubernetesNode.jsRustSQLSQLiteSwiftTypeScriptWebAssembly

14 min read

Includes Code

Cloudflare

Advanced

From ranking to recommended: get your site ready to thrive in the age of AI agents

AWSClaudeCloudflare WorkersGPTHTMLJavaScriptJSONKubernetesNode.jsOAuthReactRustSwiftTypeScriptXML

11 min read

Includes Code

Cloudflare

Advanced

Give any website a WebMCP interface

AWSCloudflare WorkersFortranHTMLJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

Cloudflare

Advanced

Introducing Kitesurf: The agent-first browser that runs in V8 isolates on Cloudflare Workers

AngularCloudflare WorkersCORSEmscriptenHTMLJavaScriptJSONNode.jsPreactReactRustSQLiteTypeScriptWebAssemblyWebSocket

19 min read

Includes Code

Cloudflare

Advanced

Building an open Agentic Internet: readable, discoverable, callable, and payable

AWSCloudflare WorkersCSSengineeringFortranHTMLJavaScriptJSONKubernetesNode.jsReactRustSwiftTypeScriptWebAssembly

13 min read

Includes Code

Cloudflare

Advanced

The next generation of MCP

AWSCloudflare WorkersengineeringJavaScriptJSONKubernetesNode.jsOAuthPythonReactRustServerlessSQLiteSwiftTypeScript

15 min read

Includes Code

Cloudflare

Advanced

Cloudflare AI Search: give your agents a search engine for your data

AstroAWSCloudflare WorkersEmbeddingFortranJavaScriptJSONKubernetesNode.jsReplicateRustSwiftTypeScriptViteWebAssembly

12 min read

Includes Code

Cloudflare

Advanced

Cloudflare is the only vendor named a Visionary in 2026 SASE and SSE reports

AWSCloudflare WorkersfinanceFortranJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptViteWebAssembly

11 min read

Includes Code

Cloudflare

Advanced

The Agent Access Model

AWSCachingCloudflare WorkersfinanceFortranGenerative AIJavaScriptJSONKubernetesNode.jsOAuthReactRustSwiftTypeScript

29 min read

Includes Code

Cloudflare

Advanced

How we’re rethinking work at Cloudflare with Cloudflare OS

AWSCloudflare WorkersengineeringfinanceFortranGitJavaScriptJSONKubernetesNode.jsRustSQLSwiftTypeScriptWebAssembly

18 min read

Includes Code

Cloudflare

Advanced

Catching rogue AI behavior with identity-aware analytics

AWSClaudeCloudflare WorkersCopilotFortranJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptWebAssembly

13 min read

Includes Code

Cloudflare

Advanced

WriteGuard: fine-grained controls for MCP Servers

AWSCloudflare WorkersengineeringFortranGitLabHTMLJavaScriptJSONKubernetesNode.jsOAuthReactRustSwiftTypeScript

11 min read

Includes Code

Cloudflare

Advanced

Cloudflare OS: an open platform for agents, apps, and work

AWSCloudflare WorkersengineeringFortranJavaScriptJSONKubernetesNode.jsOAuthReactRustSQLiteSwiftTypeScriptWebAssembly

15 min read

Includes Code

Cloudflare

Advanced

Introducing: Cloudflare Agents

AWSCloudflare WorkersFortranGenerative AIJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

Cloudflare

Advanced

The Agent Development Lifecycle has arrived on Cloudflare

AstroCloudflare WorkersengineeringGitHub ActionsJavaScriptJSONKubernetesnode.jsNode.jsrampReactRustTypeScriptViteYAML

14 min read

Includes Code

Cloudflare

Advanced

How we built a software factory to drive Astro’s GitHub issue count to zero

AstroAWSCloudflare WorkersFortranGitHub ActionsJavaScriptJSONKubernetesNode.jsReactRustSwiftT5TypeScriptV

11 min read

Includes Code

Cloudflare

Advanced

How Cloudflare enforces engineering standards using AI

API GatewayAstroAWSCloudflare WorkersengineeringFortranJavaScriptJSONKubernetesNode.jsReactRustSwiftTypeScriptWebAssembly

12 min read

Includes Code

Cloudflare

Intermediate

Run CI/CD for millions of repos — on your platform, on Cloudflare

AWSCloudflare WorkersesbuildGitHub ActionsGraphQLJavaScriptJSONKubernetesNode.jsReactRustSwiftTypeScriptVYAML

15 min read

Includes Code

Cloudflare

Advanced

Announcing Cloudflare Wallets: the programmable wallet for the agentic Internet

AWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

Cloudflare

Advanced

Your agent needs a computer, not a container — introducing @cloudflare/computer

AWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactRustSQLSQLiteSwiftTypeScriptViteWebAssembly

11 min read

Includes Code

Cloudflare

Advanced

Workers RPC now works across Python and JavaScript

AWSCloudflare WorkersCSSFortranJavaScriptJSONKubernetesNode.jsPythonReactRustSQLSwiftTypeScriptWebAssembly

11 min read

Includes Code

Cloudflare

Advanced

Smaller, faster, safer: running Kimi and GLM at scale

AWSChiCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactRustSQLSwiftTypeScriptVWebAssembly

9 min read

Includes Code

Cloudflare

Advanced

Introducing the Billable Usage API: programmatic cost visibility for Cloudflare

AWSAzureChatGPTClaudeCloudflare WorkersengineeringGoogle CloudJavaScriptJSONKubernetesNode.jsOracleRustSwiftTypeScript

9 min read

Includes Code

Cloudflare

Advanced

Cloudflare Workers and Containers now support inbound TCP connections and gRPC

AWSCloudflare WorkersEchogRPCHTTP/2HTTP/3JavaScriptJSONKubernetesNode.jsReactRustSwiftTypeScriptWebSocket

11 min read

Includes Code

Cloudflare

Advanced

Welcome to Agents Week

AWSCloudflare WorkersFortranJavaScriptJSONKubernetesNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

6 min read

Includes Code

Cloudflare

Advanced

An API for MoQ: provision your own isolated relays

AWSCDNCloudflare WorkersFortranHTTP/3JavaScriptJSONKubernetesNode.jsRustSQLSwiftTypeScriptWebAssemblyWebRTC

11 min read

Includes Code

Cloudflare

Advanced

Dogfooding at scale: migrating cdnjs to Cloudflare’s Developer Platform

CDNClaudeCloudflare WorkersDigitalOceanGoogle CloudGoogle Cloud StorageHTMLJavaScriptjQueryNode.jsReactRustTurbopackTypeScriptVite

14 min read

Includes Code

Cloudflare

Advanced

Introducing Precursor: detecting agentic behavior with continuous client-side signals

AWSCloudflare WorkersFortranHTMLJavaScriptKubernetesNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

Cloudflare

Advanced

Improving Smart Tiered Cache for Public Cloud Regions

node.js

10 min read

Includes Code

Cloudflare

Advanced

Introducing Meerkat: an experiment in global consensus

node.js

19 min read

Includes Code

Cloudflare

Advanced

Cloudflare proudly joins the UK government's Cyber Resilience Pledge

node.js

11 min read

Includes Code

Cloudflare

Advanced

Your Worker can now have its own cache in front of it

AstroAWSCachingCDNHTMLJavaScriptJSONNext.jsNode.jsReactRemixRenderRustSvelteKitTypeScript

28 min read

Includes Code

Cloudflare

Advanced

Content Independence Day, one year on: building the business model for the agentic Internet

AWSCloudflare WorkersfinanceFortranJavaScriptKubernetesNode.jsReactRustSpringSQLSwiftTypeScriptVWebAssembly

15 min read

Includes Code

Cloudflare

Advanced

Announcing the Monetization Gateway: charge for any resource behind Cloudflare via x402

AWSCloudflare WorkersFortranJavaScriptKubernetesNode.jsReactRocketRustSQLSwiftTerraformTypeScriptViteWebAssembly

12 min read

Includes Code

Cloudflare

Advanced

Your site, your rules: new AI traffic options for all customers

AWSChatGPTClaudeCloudflare WorkersFortranGeminiJavaScriptKubernetesNode.jsReactRustSQLSwiftTypeScriptWebAssembly

17 min read

Includes Code

Cloudflare

Advanced

Making AI search smarter

AWSCloudflare WorkersFortranJavaScriptKubernetesMySQLNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

12 min read

Includes Code

Cloudflare

Advanced

Unmasking the crawls with Attribution Business Insights

AWSCloudflare WorkersFortranJavaScriptKubernetesMySQLNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

10 min read

Includes Code

Cloudflare

Advanced

How we built saga rollbacks for Cloudflare Workflows

AWSCap'n ProtoCloudflare WorkersFortranJavaScriptKubernetesNode.jsPythonReactRustSQLSwiftTypeScriptViteWebAssembly

16 min read

Includes Code

Cloudflare

Advanced

Unlocking the Cloudflare app ecosystem with OAuth for all

AWSCloudflare WorkersFortranJavaScriptKubernetesNode.jsOAuthPlanetScaleReactRustSQLSwiftTypeScriptViteWebAssembly

12 min read

Includes Code

Cloudflare

Advanced

The White House's post-quantum executive order is an important milestone. It’s time to get to work

node.js

20 min read

Includes Code

Cloudflare

Advanced

How we found a bug in the hyper HTTP library

AWSCloudflare WorkersFortranJavaScriptKubernetesMySQLNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

19 min read

Includes Code

Cloudflare

Advanced

Temporary Cloudflare Accounts for AI agents

AWSCloudflare WorkersFortranJavaScriptKubernetesNode.jsOAuthReactRocketRustSQLSwiftTypeScriptViteWebAssembly

8 min read

Includes Code

Cloudflare

Advanced

Build your own vulnerability harness

AWSCloudflare WorkersDockerengineeringFortranJavaScriptKubernetesLuaNode.jsPythonReactRustSQLiteSwiftTypeScript

28 min read

Includes Code

Cloudflare

Advanced

Bringing more agent harnesses and frameworks to Cloudflare, starting with Flue

AstroAWSClaudeCloudflare WorkersFortranGitHub ActionsJavaScriptKubernetesNode.jsReactRustSQLiteSwiftTypeScriptWebAssembly

14 min read

Includes Code

Cloudflare

Advanced

Growing the Cloudflare AI team with talent from Ensemble AI

AWSCloudflare WorkersFortranJavaScriptKubernetesMachine LearningNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

7 min read

Includes Code

Cloudflare

Advanced

Scaling Security Insights: how we achieved a 10x increase in global scanning capacity

ApacheApache KafkaAWSCloudflare WorkersengineeringFortranJavaScriptKubernetesNode.jsReactRustSQLSwiftTypeScriptWebAssembly

14 min read

Includes Code

Cloudflare

Advanced

Defend against frontier cyber models: Cloudflare's architecture as customer zero

AWSCloudflare WorkersFortranJavaScriptKubernetesMySQLNode.jsReactRocketRustSQLSwiftTypeScriptViteWebAssembly

14 min read

Includes Code