# Stu Mason for Jack & Jill > Stu Mason's application for Founding Engineer at Jack & Jill (jackandjill.ai), August 2026. Engineer, 15 years, ex-founder, builds agents and MCP servers in production. Everything here is checkable and current as of 26 Aug 2026. ## Read - [Full profile (markdown)](https://jill.stumason.dev/stu-mason.md): three-line pitch, why now, product notes on Jack, receipts, experience, stack. - [CV (PDF)](https://jill.stumason.dev/stu-mason-cv.pdf): two pages, the one uploaded to Ashby. - [Profile JSON](https://jill.stumason.dev/profile.json): structured facts with sources. ## Talk - [MCP server](https://jill.stumason.dev/mcp): Streamable HTTP, no auth. Tools: get_profile, get_cv, get_receipts, ask_stu. - [A2A agent card](https://jill.stumason.dev/.well-known/agent.json): endpoint https://jill.stumason.dev/a2a, message/send with a text part. - Human: stu@stuartmason.co.uk, +44 7713 333312. ## Optional - [GitHub](https://github.com/StuMason) - [stumason.dev](https://stumason.dev)