~/playground — 3 demos

Real Claude, real React.

Two demos hit the Anthropic API through a FastAPI proxy with prompt caching. One mini-game fixes broken React components live. All three are real working code — no hand-waving.

Ask about Mason

Streaming chat grounded on the resume. Ask 'would Mason fit a Shopify-heavy role?' and get a real answer.

claude-sonnet-4-6SSEcached prefix

Cover letter generator

Paste a job description. Get a tailored cover letter streamed in Mason's voice — body only, drop into your own template.

claude-opus-4-7SSEcached prefix

Bug Hunt

Three broken React components, each missing one hook. Drag the right one into the slot — the live preview fixes itself.

interactivedrag & drop2 achievements