Anthropic 'Built with Opus 4.7' hackathon entry, April 2026. ~20,000 applied; one of the 288 judged. Adaptive interview platform — live cross-turn reasoning, structured insight during the conversation, bilateral takeaway. Active development moved to a separate proprietary v2 line; this repo is the time-stamped artifact.

Portal — the drop-in visit layer for LLM clients. Open standard, two endpoints, zero install. 81× less schema overhead than preloaded MCP at 100 tools (measured).

Five-agent prediction-market intelligence powered by Claude Opus 4.7 — streams live agent reasoning while paper-trading direction-neutral structural yield.