Explainers
jsx
Recursive Agent Optimization
One policy acting at every node of a dynamic delegation tree (arXiv 2605.06639), with an interactive execution tree and a lambda slider.
Run it → jsxPharma QC Pipeline
A working six-agent document-review app for pharma copy that ingests .docx and scores findings by severity.
Run it → htmlUnder the Hood — a Single Co-authoring Turn
The five-layer architecture beneath one chat turn, drawn out.
Run it → htmlAgent Ecosystem
A browsable interface over the fifteen catalogue entries, filterable by kind and category.
Run it →Unread — 2
post · Nov 2025
Effective harnesses for long-running agents
Initializer-agent plus incremental-feature pattern for keeping an agent coherent across many context windows.
Anthropic Engineering paper · Jun 2026Less Context, Better Agents
Measured: keeping the last five tool calls plus summaries beat full history at 63.9% fewer tokens.
arXiv 2606.10209