Cloudflare Workers

Cloudflare Workers provides a serverless execution environment that allows you to create new applications or augment existing ones without configuring or maintaining infrastructure.

https://workers.cloudflare.com ↗

Changelog

RSS

Cloudflare 5 days ago

Cloudflare extends Python Workers to Windows with Pywrangler support//Pywrangler, the CLI tool for managing Cloudflare Python Workers, now supports Windows environments alongside macOS and Linux. Developers can develop and deploy Python Workers on Windows using the same commands and workflows as other platforms with no additional configuration.

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Cloudflare 5 days ago

Cloudflare Workers Observability adds structured query language for logs and traces//Workers Observability now includes a query language that lets developers write structured queries to filter logs and traces directly in the search bar. The feature supports free text search, field-level queries, comparison operators, functions like regex and startsWith, and boolean logic, with two-way sync between the search bar and Query Builder sidebar.

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Cloudflare 5 days ago

Wrangler 4.68.0 brings automatic configuration; projects deploy without config files//Cloudflare Workers' Wrangler CLI now automatically detects project frameworks and deploys without requiring manual configuration. The feature, which graduated from experimental status, simplifies onboarding by auto-generating wrangler.jsonc files and installing required adapters.

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Cloudflare 5 days ago

Agents SDK v0.6.0 adds RPC transport for MCP, optional OAuth, and schema hardening//Cloudflare's Agents SDK v0.6.0 introduces RPC transport for MCP connections within Workers, eliminating network overhead and enabling direct Durable Object bindings. The release also makes OAuth optional for simple MCP connections and hardens the JSON Schema converter with circular reference guards and better error handling.

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Cloudflare 5 days ago

Cloudflare releases Vinext, Next.js-compatible framework built on Vite that builds 4.4x faster//Cloudflare unveiled Vinext, a drop-in replacement for Next.js built on Vite that deploys directly to Cloudflare Workers. Early benchmarks show production builds 4.4x faster and client bundles 57% smaller than Next.js 16, developed in one week with AI assistance.

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Cloudflare 6 days ago

Cloudflare's deleteAll() now clears Durable Object alarms, reducing API calls//Cloudflare's `deleteAll()` method for Durable Objects now automatically deletes alarms alongside stored data, consolidating cleanup operations. This change applies to both KV-backed and SQLite-backed Durable Objects with a compatibility date of 2026-02-24 or later.

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Cloudflare 6 days ago

Cloudflare Workers: deleteAll() now clears Durable Object alarms automatically//Cloudflare Workers' deleteAll() method now removes both stored data and alarms in a single API call for Durable Objects with compatibility date 2026-02-24 or later. This change eliminates the need for separate deleteAlarm() calls and applies to both KV-backed and SQLite-backed storage.

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Cloudflare 6 days ago

Cloudflare Pipelines adds dropped event metrics, typed bindings, and streamlined setup//Cloudflare has shipped three improvements to Pipelines: new dashboard and GraphQL metrics for tracking dropped events with detailed error messages, schema-specific TypeScript types for Pipeline bindings to catch data quality issues at compile time, and a simplified setup command that auto-configures R2 buckets and sensible defaults.

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Cloudflare 6 days ago

Cloudflare Pipelines adds dropped event metrics, typed bindings, and simplified setup//Cloudflare Pipelines now surfaces dropped event metrics with detailed error categorization via dashboard and GraphQL, generates schema-specific TypeScript types for Pipeline bindings to catch schema mismatches at compile time, and streamlines initial setup with automated R2 bucket creation and sensible defaults.

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Cloudflare 1 week ago

Cloudflare Sandbox SDK adds backup and restore API for point-in-time snapshots//Cloudflare's Sandbox SDK now supports `createBackup()` and `restoreBackup()` methods for creating and restoring point-in-time snapshots of directories, eliminating the need to repeat expensive setup steps like git clones and npm installs across sandbox sessions. Backups are stored in R2 with configurable TTLs and can be forked across multiple sandbox instances.

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Cloudflare 1 week ago

Hyperdrive stops caching queries with PostgreSQL STABLE functions to prevent stale data//Hyperdrive now treats PostgreSQL STABLE functions (like NOW(), CURRENT_TIMESTAMP) as uncacheable, preventing incorrect cached results from being served across transactions. This aligns with PostgreSQL's function volatility semantics and may require application code changes for affected queries.

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Cloudflare 1 week ago

Cloudflare Sandbox SDK adds backup and restore API for persistent environments//Cloudflare Sandbox now supports `createBackup()` and `restoreBackup()` methods to create point-in-time snapshots of directories, eliminating the need to re-run expensive setup steps like git clones and npm installs. Backups are stored in R2 with support for TTLs and can be reused across multiple sandbox sessions.

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Cloudflare 1 week ago

Cloudflare launches MCP server using Code Mode, reducing API context requirements by 99.9%//Cloudflare introduced a new Model Context Protocol (MCP) server that provides access to the entire Cloudflare API using just two tools and consuming only ~1,000 tokens. The approach, called Code Mode, allows AI agents to write JavaScript code against a typed SDK to explore and execute API operations, reducing token usage from 1.17M to 1K compared to traditional MCP implementations.

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Cloudflare 1 week ago

Cloudflare Tunnel management now available in core dashboard//Cloudflare Tunnel is now accessible directly from the main Cloudflare Dashboard under Networking > Tunnels, enabling developers to create, configure, and monitor tunnels in one place. The new interface includes full lifecycle management, native integrations with DNS and Workers VPC, and a unified routing map for managing all ingress routes.

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Cloudflare 1 week ago

Cloudflare releases @cloudflare/codemode v0.1.0 with runtime-agnostic SDK architecture//Cloudflare has rewritten its codemode package into a modular, runtime-agnostic SDK that enables LLMs to write and execute code for tool orchestration. The new version introduces a standard `Executor` interface and includes a prebuilt `DynamicWorkerExecutor` for running generated code in Dynamic Workers with network isolation and console capture.

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Cloudflare 1 week ago

Cloudflare Tunnel now available in main Dashboard with full lifecycle management//Cloudflare Tunnel management is now integrated into the main Cloudflare Dashboard, eliminating the need to switch between interfaces. The new experience provides complete tunnel lifecycle management, native integrations with DNS and Workers VPC, real-time health monitoring, and a unified routing map for all ingress routes.

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Cloudflare 1 week ago

Cloudflare releases @cloudflare/codemode v0.1.0 with runtime-agnostic architecture//Cloudflare has rewritten its Code Mode SDK into a modular, runtime-agnostic package that allows LLMs to generate and execute code for orchestrating tools. The new version removes the built-in LLM integration, introduces a minimal `Executor` interface for code sandboxing, and includes a `DynamicWorkerExecutor` for running code in Cloudflare Workers with network isolation and console capture.

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Cloudflare 1 week ago

Cloudflare improves AI Gateway and Workers AI dashboard experience with navigation, onboarding enhancements//Cloudflare has rolled out a series of dashboard improvements to AI Gateway and Workers AI to streamline the developer experience. Updates include dedicated top-level AI navigation, simplified onboarding flows with step-by-step guidance, enhanced route builder performance, and improved accessibility features.

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Cloudflare 1 week ago

Cloudflare improves AI Gateway and Workers AI dashboard with better navigation and onboarding//Cloudflare has rolled out a series of dashboard improvements for AI Gateway and Workers AI, including a dedicated top-level AI section in the sidebar, streamlined onboarding with OpenAI-compatible endpoints, and enhancements to dynamic routing and observability. The update also brings accessibility improvements to keyboard navigation and filtering components.

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Cloudflare 1 week ago

Cloudflare adds cfWorker metric to Server-Timing header for performance debugging//Cloudflare has introduced a new `cfWorker` metric in the Server-Timing header that separately measures time spent executing Workers and their subrequests. This enables developers to more accurately diagnose whether latency originates from Worker code, external API calls, or slow origin servers.

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Cloudflare 1 week ago

Cloudflare Containers and Sandboxes gain Docker-in-Docker support//Cloudflare's Containers and Sandboxes services now support Docker-in-Docker functionality, enabling developers to run full containerized environments within sandboxes. This feature is particularly useful for CI/CD workflows, testing container images, and running isolated development environments.

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Cloudflare 1 week ago

Cloudflare Agents SDK v0.5.0 ships retry utilities, protocol message control, and @cloudflare/ai-chat v0.1.0//The latest Agents SDK release adds built-in retry utilities with exponential backoff, per-connection protocol message control for non-standard clients, and a completely rewritten @cloudflare/ai-chat library featuring data parts, tool approval persistence, and zero breaking changes for existing code.

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Cloudflare 1 week ago

Cloudflare Agents SDK v0.5.0 adds retry utilities, protocol message control, and data parts//The Agents SDK v0.5.0 release introduces built-in retry utilities with exponential backoff, per-connection protocol message control for non-standard clients, and a major rewrite of @cloudflare/ai-chat with data parts support and tool approval persistence—all without breaking changes. Synchronous queue and schedule operations no longer require async/await, and improvements address stream resumption race conditions and TypeScript depth errors.

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Cloudflare 2 weeks ago

Cloudflare Workers VPC now supports Origin CA certificates for private HTTPS connections//Workers VPC has expanded its TLS certificate support to include Cloudflare Origin CA certificates, enabling developers to encrypt traffic between VPC tunnels and private origin servers without relying on public certificate authorities. This builds on Workers VPC's existing support for publicly trusted CAs like Let's Encrypt and DigiCert.

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Cloudflare 2 weeks ago

Cloudflare adds GLM-4.7-Flash model and TanStack AI support to Workers AI//Cloudflare has launched GLM-4.7-Flash, a multilingual AI model with 131K token context and multi-turn tool calling, alongside new TanStack AI adapters and enhanced Vercel AI SDK support. The updates enable developers to build and run AI agents entirely at the edge with expanded capabilities including transcription, speech synthesis, and document reranking.

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Cloudflare 2 weeks ago

Cloudflare launches GLM-4.7-Flash on Workers AI with multi-turn tool calling for edge agents//Cloudflare has added GLM-4.7-Flash, a multilingual model with 131k token context, to Workers AI alongside new TanStack AI adapters and expanded workers-ai-provider capabilities. Developers can now build and deploy AI agents entirely at the edge with support for transcription, text-to-speech, and reranking.

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Cloudflare 2 weeks ago

Workers VPC now supports Cloudflare Origin CA certificates for HTTPS connections//Workers VPC has added support for Cloudflare Origin CA certificates when connecting to private services over HTTPS. Previously limited to publicly trusted certificate authorities, developers can now use free Origin CA certificates on origin servers within private networks.

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Cloudflare 2 weeks ago

Cloudflare Python SDK v5.0.0-beta.1 adds 40+ new API resources with breaking changes//Cloudflare released Python SDK v5.0.0-beta.1 featuring 40+ new API resources including AI Gateway, R2 Data Catalog, and Real-time Kit integrations. The beta includes significant breaking changes across 15+ existing resources due to OpenAPI schema improvements, requiring developers to review the migration guide before upgrading.

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Cloudflare 2 weeks ago

Cloudflare Python SDK v5.0.0-beta.1 introduces major breaking changes and 40+ new API resources//Cloudflare released the first beta version of Python SDK v5.0.0, featuring significant breaking changes driven by OpenAPI schema improvements and code generation updates. The release adds over 40 new API resources including AI-powered features, brand protection tools, D1 database management, and Real-time Kit integrations, alongside general fixes for type inference, request handling, and response parsing.

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Cloudflare 2 weeks ago

Cloudflare launches Markdown for Agents, cutting token usage 80% with automatic HTML-to-markdown conversion//Cloudflare now automatically converts HTML pages to markdown when AI agents request them via Accept headers, enabling structured content consumption at the CDN edge. The conversion reduces token usage by approximately 80% compared to raw HTML, and includes Content Signal headers to communicate content usage policies.

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Cloudflare 2 weeks ago

Cloudflare Terraform provider v5.17.0 adds AI Search support and Workers placement controls//Cloudflare's Terraform v5 provider reaches v5.17.0 with new capabilities for AI Search, enhanced Workers Script placement controls, and 25+ bug fixes. The provider continues its 2-3 week release cadence with an expanding list of stable resources and a migration tool planned for March 2026.

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Cloudflare 2 weeks ago

Cloudflare Terraform Provider v5.17.0 adds AI Search support and targeted Workers script placement//Cloudflare releases Terraform v5.17.0 with new capabilities for AI Search, enhanced Workers Script placement controls, and dozens of bug fixes. The provider continues on a 2-3 week release cadence with a migration tool planned for March 2026 to help users transition from v4 to v5.

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Cloudflare 2 weeks ago

Cloudflare Workers lifts 1000-subrequest limit to 10,000 by default; configurable to 10 million//Cloudflare Workers no longer enforces a hard 1000-subrequest limit per invocation, enabling long-running workloads like websockets and Workflows to operate without hitting the barrier. Paid plans now default to 10,000 subrequests and can be configured up to 10 million via Wrangler configuration.

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Cloudflare 2 weeks ago

Cloudflare Vite plugin adds seamless React Server Components support via childEnvironments//The Cloudflare Vite plugin now integrates the official Vite React Server Components plugin (@vitejs/plugin-rsc), enabling developers to build RSC applications on Cloudflare Workers. A new childEnvironments option allows using multiple module graphs within a single Worker environment.

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Cloudflare 2 weeks ago

Cloudflare Workers lifts 1,000 subrequest limit; paid plans now support up to 10 million per invocation//Cloudflare has removed the hard 1,000 subrequest limit that previously constrained Workers invocations, with paid plans now defaulting to 10,000 subrequests and allowing configuration up to 10 million. This change particularly benefits long-running operations like WebSocket connections on Durable Objects and Workflows that frequently exceeded the prior constraint.

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Cloudflare 2 weeks ago

Cloudflare Vite plugin adds React Server Components support with child environments//The Cloudflare Vite plugin now integrates the official Vite React Server Components plugin, enabling developers to use multiple environments within a single Worker. A new `childEnvironments` option allows the parent environment to import modules from child environments, supporting typical RSC patterns used by frameworks like React Router.

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Cloudflare 3 weeks ago

Cloudflare Agents SDK v0.4.0 adds readonly connections, MCP OAuth customization, and x402 v2 support//The Agents SDK v0.4.0 introduces readonly WebSocket connections for dashboards and spectator views, custom OAuth providers for MCP server authentication, and upgrades the MCP SDK to prevent cross-client response leakage. The release also completes migration to x402 v2 with new network identifiers and lazy server initialization.

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Cloudflare 3 weeks ago

Cloudflare Sandbox SDK adds PTY terminal support for browser-based shell access//Cloudflare's Sandbox SDK now supports pseudo-terminal (PTY) passthrough via WebSocket, enabling interactive browser-based terminals to connect to sandbox shells. The update includes a new xterm.js addon with automatic reconnection and output buffering, plus support for multiple isolated terminals per sandbox.

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Cloudflare 3 weeks ago

Cloudflare Workers Observability dashboard adds data visualization, exports, and shareable links//Cloudflare has released major updates to the Workers Observability dashboard, making it easier for developers to debug applications and collaborate with teams. The new features include data visualization tools, JSON/CSV exports, shareable event links, and improved table customization with keyboard shortcuts.

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Cloudflare 3 weeks ago

Cloudflare releases AI Crawl Control reference documentation with GraphQL API and bot detection//Cloudflare has published comprehensive reference documentation for AI Crawl Control, including a GraphQL API reference, bot detection identifiers for major AI crawlers, and Worker templates for monetizing crawler access. Developers can now integrate crawler detection and access control directly into their applications.

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Cloudflare 3 weeks ago

Cloudflare Workflows gains visual diagram tool for debugging and code understanding//Cloudflare Workflows now automatically generates visual diagrams from your code, letting developers understand step execution, loops, and conditional logic at a glance. The feature is available in beta for all JavaScript and TypeScript Workflows in the Cloudflare dashboard.

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Cloudflare 3 weeks ago

Cloudflare Queues launches on Workers Free plan with 10,000 daily operations//Cloudflare Queues, the company's message delivery service, is now available to all free-tier Workers accounts. Free users get 10,000 operations per day and access to up to 10,000 queues, with all existing features included except message retention is capped at 24 hours instead of 14 days.

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Cloudflare 3 weeks ago

Cloudflare Agents SDK v0.3.7 adds Workflows integration and synchronous state management//The latest Agents SDK release brings native integration with Cloudflare Workflows, enabling agents to handle real-time communication while workflows manage durable, long-running tasks. The update also introduces synchronous state updates with validation hooks, a new `scheduleEvery()` method for recurring tasks, and improvements to the callable system.

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Cloudflare 1 month ago

Cloudflare launches Moltworker: serverless AI agent platform achieves 98.5% npm package compatibility//Cloudflare has introduced Moltworker, a middleware that enables running Moltbot (an open-source AI personal assistant) on Cloudflare Workers instead of dedicated hardware. The launch coincides with a milestone: Cloudflare Workers now supports 98.5% of the top 1,000 npm packages natively, thanks to expanded Node.js API compatibility.

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