{"type":"post","id":"building-always-on-agents-claude-by-anthropic-b69b9f","slug":"building-always-on-agents-claude-by-anthropic-b69b9f","title":"Building always-on agents: Claude by Anthropic","description":"Anthropic published a guide to building agents that sleep between runs, resume from events, and carry state across sessions.","retrieval_nugget":"Anthropic published a guide to building agents that sleep between runs, resume from events, and carry state across sessions. Its five-part architecture—event inbox, timers, memory, permissions, and outbox—turns “always-on” into a durable system design problem, with practical implications for reliability, cost, and user control.","published_at":"2026-11-13","updated_at":"2026-11-13","record_date":"2026-11-13","date_kind":"published_at","topics":["anthropic","claude"],"entities":["Anthropic","Claude Platform","Opus 5.5","Opus 5","William Hu"],"related_patterns":["agent-security-moves-to-runtime-boundaries"],"novelty_label":"new_fact","what_changed":"Anthropic’s new guide explains the architecture and core primitives for always-on agents, including how agents manage context across sessions and act proactively.","prior_refs":["https://newruntime.com/posts/dreaming-with-a-dynamic-workflow-9b7927/","https://newruntime.com/posts/building-effective-agent-automations-claude-dev-blog-55ed08/"],"source_url":"https://claude.com/resources/articles/building-always-on-agents","source_urls":["https://claude.com/resources/articles/building-always-on-agents"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:building-always-on-agents-claude-by-anthropic-b69b9f","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/building-always-on-agents-claude-by-anthropic-b69b9f/","markdown":"https://newruntime.com/posts/building-always-on-agents-claude-by-anthropic-b69b9f.md","json":"https://newruntime.com/posts/building-always-on-agents-claude-by-anthropic-b69b9f.json"},"markdown_url":"https://newruntime.com/posts/building-always-on-agents-claude-by-anthropic-b69b9f.md","next_reads":[{"type":"topic","path":"/topics/anthropic/","url":"https://newruntime.com/topics/anthropic/","title":"Anthropic","reason":"Explore the anthropic topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/anthropic.md","json_url":"https://newruntime.com/topics/anthropic.json"},{"type":"topic","path":"/topics/claude/","url":"https://newruntime.com/topics/claude/","title":"Claude","reason":"Explore the claude topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/claude.md","json_url":"https://newruntime.com/topics/claude.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":"/sources/","url":"https://newruntime.com/sources/","title":"Sources","reason":"See the original sources this archive cites.","media_type":"text/html"}]}