{"type":"post","stable_id":"post:skillsmith-parametric-skill-composition","slug":"skillsmith-parametric-skill-composition","title":"SkillSmith Treats Model Weights As Agent-Readable Material","description":"SkillSmith combines textual knowledge with prefix-tuned parametric skills, asking an LLM to synthesize new prefix weights for a target capability.","retrieval_nugget":"The paper's useful shift is modality-level: an agent does not only compose text memories or call tools; it can reason over learned prefix weights as reusable skill material.","published_at":"2026-07-29","updated_at":"2026-08-04","record_date":"2026-07-29","date_kind":"published_at","status":"published","topics":["agent-memory","skills","model-adaptation","research"],"entities":["SkillSmith","arXiv"],"source_urls":["https://arxiv.org/abs/2607.27497"],"source_title":"SkillSmith: Learning to Compose Parametric Skills and Textual Knowledge","source_type":"paper","origin":{"batch_id":"32a2244c-e5a6-4152-bd77-82cacb61ed6e","batch_index":2,"channel":"chatgpt-batch","restored_from_skip":false},"schema_version":"newruntime-agent-readable-v0.2","visuals":[{"role":"hero","src":"/images/drip/skillsmith-parametric-skill-composition/skillsmith-parametric-skill-composition.webp","alt":"A whiteboard diagram showing text knowledge and prefix-weight skill capsules being composed into a new target skill.","caption":"New Runtime synthesis."}],"routes":{"html":"https://newruntime.com/posts/skillsmith-parametric-skill-composition/","markdown":"https://newruntime.com/posts/skillsmith-parametric-skill-composition.md","json":"https://newruntime.com/posts/skillsmith-parametric-skill-composition.json"}}