{"type":"post","id":"infini-ai-lab-open-sources-hermit-a-framework-8dfe5a","slug":"infini-ai-lab-open-sources-hermit-a-framework-8dfe5a","title":"Infini-AI-Lab open-sources Hermit, a framework for training harness adapters that improve agents without changing model or harness","description":"Infini-AI-Lab has released Hermit 0.1.0, an open-source framework for evolving external adapters around an agent harness.","retrieval_nugget":"Infini-AI-Lab has released Hermit 0.1.0, an open-source framework for evolving external adapters around an agent harness.","published_at":"2026-10-26","updated_at":"2026-10-26","record_date":"2026-10-26","date_kind":"published_at","topics":["codex","agent-harness"],"entities":["Infini-AI-Lab","Hermit","GEPA","SkillOpt","Harness2","Codex CLI","GLM 5.3 Flash"],"related_patterns":["harness-architecture-outlives-model-choice","skills-become-portable-capability-layer"],"novelty_label":"new_fact","what_changed":"Hermit adds a distinct open-source approach: training harness adapters to improve agents while leaving the model and harness unchanged.","prior_refs":["memory:9eb58aad-b52f-8244-a3de-17934455e8a5","memory:6211be83-7141-86be-ae89-59d0bde32ebf"],"source_url":"https://github.com/Infini-AI-Lab/hermit","source_urls":["https://github.com/Infini-AI-Lab/hermit"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:infini-ai-lab-open-sources-hermit-a-framework-8dfe5a","status":"published","visuals":[],"editor":{"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]},"routes":{"html":"https://newruntime.com/posts/infini-ai-lab-open-sources-hermit-a-framework-8dfe5a/","markdown":"https://newruntime.com/posts/infini-ai-lab-open-sources-hermit-a-framework-8dfe5a.md","json":"https://newruntime.com/posts/infini-ai-lab-open-sources-hermit-a-framework-8dfe5a.json"},"next_reads":[{"type":"topic","path":"/topics/codex/","url":"https://newruntime.com/topics/codex/","title":"Codex","reason":"Explore the codex topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/codex.md","json_url":"https://newruntime.com/topics/codex.json"},{"type":"topic","path":"/topics/agent-harness/","url":"https://newruntime.com/topics/agent-harness/","title":"Agent Harness","reason":"Explore the agent-harness topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/agent-harness.md","json_url":"https://newruntime.com/topics/agent-harness.json"},{"type":"collection","path":"/posts/","url":"https://newruntime.com/posts/","title":"Field Notes","reason":"Open the latest editorial analysis.","media_type":"text/html","json_url":"https://newruntime.com/posts.json"},{"type":"collection","path":"/source-ledger.json","url":"https://newruntime.com/source-ledger.json","title":"Source Ledger","reason":"Inspect the public source evidence graph.","media_type":"application/json"}]}