Workers-oauth-provider
lastmod 2025-06-09created 2025-06-042 edits
OAuth provider library for Cloudflare Workers
About
- Cloudflare released an OAuth 2.1 provider framework as a TypeScript library for Cloudflare Workers
- Most of the implementation was written with Anthropic's Claude LLM and carefully reviewed by Cloudflare security engineers
- The library provides automated authentication and automatic token management for API endpoints
- Supports key features such as the latest OAuth standards, PKCE, dynamic client registration, and access scope configuration
- Emphasizes security design such as end-to-end encryption and single-use refresh tokens at every critical point
See also
Favorite site
- Github - cloudflare/workers-oauth-provider
- Cloudflare built OAuth with Claude and published all the prompts | GeekNews
- A look at Cloudflare's AI-written OAuth library | GeekNews
- [Original] A look at CloudFlare’s AI-coded OAuth library – Neil Madden
- The library's code structure is clean, but much is lacking in testing and security verification
- Nonstandard or risky choices were found in CORS and in the implementation of some authentication specs
- The cryptography implementation has strengths, but serious security bugs and protocol misunderstandings were revealed
- LLM-based automated coding helps, but production-grade security requires close review by experts