Skills on the Fly: Test-Time Adaptive Skill Synthesis for LLM Agents

In three linesSkillTTA synthesizes task-specific textual skills by retrieving relevant training trajectories, with adaptation through context only—no parameter updates. Evaluated on SpreadsheetBench, ALFWorld, and BigCodeBench: Pass@1 improves from 0.397 to 0.505 on SpreadsheetBench, from 0.517 to 0.651 on BigCodeBench.

Summary generated by Claude — human-verified