Writing
Writing on building for the web, mostly on Cloudflare.
4 posts202657 minutes of reading
10 min
Rendering Observable Plot charts inside a Cloudflare Worker
How to render Observable Plot charts inside a Cloudflare Worker: the linkedom shim that works, the domino and Vega failures that don't, byte-identical output across Node and workerd, and accessible charts enforced by the build.
12 min
Building an MCP server on Cloudflare Workers with OAuth
How to build a production MCP server under the 2026-07-28 specification: measure your real client with a probe before choosing auth, pick the protocol library by conformance score, isolate legacy support in one deletable module, and keep policy out entirely.
20 min
Every Cloudflare product, and which ones this site runs on
Every Cloudflare developer product as of September 2026 in one table: what Workers, D1, KV, R2, Queues, Durable Objects, AI Search and the rest actually do, and which ones a complete site runs on, where, and why. With the refusals and the constraints, dated.
15 min
How this blog stores posts in git and serves them from D1
How to build a content pipeline where markdown in git is the source of truth and D1 serves every read: one deterministic renderer shared by the build and the Worker, a gate verified by breaking it, atomic commits through the GitHub API, and the two bugs to expect. Updated August 2026, when the committed artifact came out in favor of provenance hashes, a deploy-time drift table, and a self-repairing health check.