{"type":"post","id":"introducing-the-microsoft-copilot-harness-in-foundry-agent-f2f750","slug":"introducing-the-microsoft-copilot-harness-in-foundry-agent-f2f750","title":"Introducing the Microsoft Copilot harness in Foundry Agent Service","description":"Microsoft has opened its Copilot harness in Foundry Agent Service as a public preview, giving developers a managed agent loop and sandbox alongside reusable skills, connected tools, code execution and bounded subagent delegation.","retrieval_nugget":"Microsoft has opened its Copilot harness in Foundry Agent Service as a public preview, giving developers a managed agent loop and sandbox alongside reusable skills, connected tools, code execution and bounded subagent delegation. The release matters because teams can choose a supported Foundry model without assembling every orchestration layer themselves, while retaining control over agent expertise and evaluation.","published_at":"2026-11-03","updated_at":"2026-11-07","record_date":"2026-11-03","date_kind":"published_at","topics":["github"],"entities":["Microsoft","Microsoft Foundry","Foundry Agent Service","Microsoft Copilot harness","Model Context Protocol","Azure Developer CLI","GitHub Copilot"],"related_patterns":["harness-architecture-outlives-model-choice","skills-become-portable-capability-layer"],"novelty_label":"same_event","prior_refs":[],"source_url":"https://devblogs.microsoft.com/foundry/microsoft-copilot-harness-in-foundry","source_urls":["https://devblogs.microsoft.com/foundry/microsoft-copilot-harness-in-foundry"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:introducing-the-microsoft-copilot-harness-in-foundry-agent-f2f750","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/introducing-the-microsoft-copilot-harness-in-foundry-agent-f2f750/","markdown":"https://newruntime.com/posts/introducing-the-microsoft-copilot-harness-in-foundry-agent-f2f750.md","json":"https://newruntime.com/posts/introducing-the-microsoft-copilot-harness-in-foundry-agent-f2f750.json"},"markdown_url":"https://newruntime.com/posts/introducing-the-microsoft-copilot-harness-in-foundry-agent-f2f750.md","next_reads":[{"type":"topic","path":"/topics/github/","url":"https://newruntime.com/topics/github/","title":"Github","reason":"Explore the github topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/github.md","json_url":"https://newruntime.com/topics/github.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"}]}