Senior engineer with 15+ years at Amazon and Stripe. I build AI-native systems that go to production — real integrations, real reliability, real UX.https://www.johnryancottam.com/en-ushttps://www.johnryancottam.com/notes/type-ship-and-mean-it/https://www.johnryancottam.com/notes/type-ship-and-mean-it/Every PR has a tax — rebasing, linting, changelogs, and docs. A /ship agent skill runs the checklist so you can open the PR and mean it.Sat, 16 May 2026 00:00:00 GMThttps://www.johnryancottam.com/notes/the-data-exists-nobody-assembles-it/https://www.johnryancottam.com/notes/the-data-exists-nobody-assembles-it/Teams argue about output from vibes. Momentum assembles GitHub, ADO, and Cursor activity into one view, with one shared tool registry for chat and MCP.Wed, 29 Apr 2026 00:00:00 GMThttps://www.johnryancottam.com/notes/stop-asking-ai-to-make-it-look-better/https://www.johnryancottam.com/notes/stop-asking-ai-to-make-it-look-better/Named design commands for your coding agent. Polish UI in small passes with Impeccable — not vague make-it-better prompts.Sat, 21 Mar 2026 00:00:00 GMThttps://www.johnryancottam.com/notes/mcp-on-bun-and-hono-with-mcp-handler/https://www.johnryancottam.com/notes/mcp-on-bun-and-hono-with-mcp-handler/mcp-handler is built for Next.js, but it's just a Request handler. Here's how I mount it on Bun and Hono without fighting MCP transports.Fri, 13 Mar 2026 00:00:00 GMThttps://www.johnryancottam.com/notes/stream-ai-responses-in-production/https://www.johnryancottam.com/notes/stream-ai-responses-in-production/Batch responses make AI feel slow. Streaming fixes the perception problem. Here's the pattern I use with Hono and the Vercel AI SDK.Fri, 06 Mar 2026 00:00:00 GMThttps://www.johnryancottam.com/notes/how-i-actually-use-claude-code/https://www.johnryancottam.com/notes/how-i-actually-use-claude-code/Not as an autocomplete. Not as a search engine. Here's the workflow that makes it genuinely useful for production engineering.Fri, 27 Feb 2026 00:00:00 GMT