MetaSkill-Evolve: Recursive Self-Improvement of LLM Agents via Two-Timescale Meta-Skill Evolution (J

Title: MetaSkill-Evolve: Recursive Self-Improvement of LLM Agents via Two-Timescale Meta-Skill Evolution (Jul 2026) Link: http://arxiv.org/abs/2607.05297v1 Date: July 2026 Summary: The paper introduces MetaSkill-Evolve, a framework for recursive self-improvement in LLM agents. Unlike previous systems that only optimize task-specific skills while keeping the improvement logic fixed, MetaSkill-Evolve allows the improvement procedure (the meta-skill) to evolve alongside the task skill. It operates on two timescales: a fast loop for task-skill updates and a slower loop for meta-skill refinement, using the same five-agent pipeline (Analyzer, Retriever, Allocator, Proposer, and Evolver) for both. Evaluation on OfficeQA, SealQA, and ALFWorld benchmarks shows significant performance gains over non-recursive baselines. Key Topics: - LLM Agents - Recursive Self-Improvement - Meta-Skill Evolution - Two-Timescale Optimization - Task Skill Learning - Agentic Benchmarks Chapters: 00:00 - Introduction & TLDR 01:26 - Fixed Logic Bottleneck 03:02 - Defining Meta Productivity 04:46 - Five Agent Pipeline 06:15 - Synthetic Failure Traces 08:56 - SQLite State Management 10:13 - Frontier Selection Math 11:56 - Benchmark Performance Results 13:41 - Domain Component Ablations 16:06 - Tuning Update Horizons 17:52 - Necessity Of Failure 19:38 - Future Recursive Machines Stock video credits: - Coverr - https://www.pexels.com/@coverr - Pavel Danilyuk - https://www.pexels.com/@pavel-danilyuk - Raddy - https://www.pexels.com/@raddy-184979479 - emirkhan bal - https://www.pexels.com/@mootlak - Aurelijus U. - https://www.pexels.com/@aurelijus-u-2148621102 - Wendy Laplume - https://www.pexels.com/@wendy-laplume-2395145 - German Korb - https://www.pexels.com/@german-korb-1920614 - Илья Исаев - https://www.pexels.com/@2607300 - Juan Pablo Gómez - https://www.pexels.com/@juan-pablo-ga-mez-436584 - Colin Jones - https://www.pexels.com/@larchmedia - Nino Souza - https://www.pexels.com/@ninosouza - José Alfredo Munguía Lira - https://www.pexels.com/@rectorretro - Jakub Zerdzicki - https://www.pexels.com/@jakubzerdzicki - Milos Jevtic - https://www.pexels.com/@jevtajevtic7 - Reiner Pfesdorf - https://www.pexels.com/@reiner-pfesdorf-45758120 - ArtHouse Studio - https://www.pexels.com/@arthousestudio - Nicola Narracci - https://www.pexels.com/@nicola-narracci-157460431 - Chandresh Uike - https://www.pexels.com/@chandresh-uike-754623426 - Colors Motion Graphics - https://www.pexels.com/@colors-motion-graphics-183847699 - Pressmaster - https://www.pexels.com/@pressmaster - Kampus Production - https://www.pexels.com/@kampus - Anna Shvets - https://www.pexels.com/@shvetsa - Tiger Lily - https://www.pexels.com/@tiger-lily - Luke Holley - https://www.pexels.com/@luke-holley-2153360949 - 3D Matriz - https://www.pexels.com/@3d-matriz-3555557 - Ron Lach - https://www.pexels.com/@ron-lach - cottonbro studio - https://www.pexels.com/@cottonbro - Yaroslav Shuraev - https://www.pexels.com/@yaroslav-shuraev - turek - https://www.pexels.com/@turek3024 - Rony Way - https://www.pexels.com/@rony-way-23252558 - Luis Quintero - https://www.pexels.com/@jibarofoto - Lars H Knudsen - https://www.pexels.com/@farlight - Dibakar Roy - https://www.pexels.com/@dibakar-roy-2432543 - Patrick - https://www.pexels.com/@jaralol - Google DeepMind - https://www.pexels.com/@googledeepmind - Кирилл Левченко - https://www.pexels.com/@2156561057 - Anete Lusina - https://www.pexels.com/@anete-lusina - Nico Tographe - https://www.pexels.com/@nico-tographe-2124951 - とら にい - https://www.pexels.com/@2148576120 - Danil Shostak - https://www.pexels.com/@danil-shostak-1324124