{"type":"post","slug":"google-antigravity-custom-agents","title":"Google Antigravity custom agents","description":"Antigravity 2.0 adds first-class custom agents to the IDE and CLI, betting that specialised agents that act, verify and run in parallel beat one general-purpose assistant.","retrieval_nugget":"Antigravity 2.0 adds first-class custom agents to the IDE and CLI, betting that specialised agents that act, verify and run in parallel beat one general-purpose assistant.","published_at":"2026-08-30","updated_at":"2026-09-12","record_date":"2026-08-25","date_kind":"discovered_at","topics":["agent-integrations","agents","ai"],"entities":["Google"],"source_url":"https://antigravity.google/blog/introducing-custom-agents","source_title":"Introducing Custom Agents","source_domain":"antigravity.google","source_terms":["Google","Antigravity","custom","products","overview"],"summary_word_count":184,"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:google-antigravity-custom-agents","status":"published","source_urls":["https://antigravity.google/blog/introducing-custom-agents"],"visuals":[],"editorial_provenance":{"schema_version":"newruntime-editorial-copy-v1","content_status":"source_grounded_final","final_copy_sha256":"sha256:5b8b01457c8fe8790e80f95837a47b406cbd090cedf7e58f010676b9d8469c92","reviewed_at":"2026-09-12T10:00:00Z","source_evidence_count":1,"verified_claim_count":2,"site_analysis_schema_version":"newruntime-site-analysis-v1","site_object_kind":"field_note","observed_fact_count":2,"implication_count":1,"watch_condition_count":1,"related_record_count":3},"analysis":{"schema_version":"newruntime-site-analysis-v1","object_kind":"field_note","thesis":"Google's Antigravity team introduced Custom Agents on 12 August with first-class support in Antigravity 2.0 and the Antigravity CLI, with the IDE following shortly.","observed_facts":[{"text":"Custom Agents arrive with first-class support in Antigravity 2.0 and the Antigravity CLI, with the IDE following shortly.","source_urls":["https://antigravity.google/blog/introducing-custom-agents"]},{"text":"The announcement frames specialised agents as able to act, verify and run tasks in parallel through division of labour.","source_urls":["https://antigravity.google/blog/introducing-custom-agents"]}],"mechanism":"A custom agent is defined in seconds and given capabilities the team describes as unique to Antigravity, which means the differentiator a vendor now competes on is how narrowly an agent can be scoped and how its verification is wired, not which model sits underneath.","why_now":"The premise stated in the announcement is that software engineering has shifted from writing lines of code to orchestrating agents, and that the productivity gain comes from division of labour: breaking a complex project into specialised agents that can act, verify, and run tasks in parallel.","implications":["once specialised agents multiply, [hundreds of agent skills create a lifecycle problem rather than a capability problem](https://newruntime.com/posts/agent-skills-at-organizational-scale/)"],"evidence_boundary":"The post describes the feature and its rollout order, not measured outcomes from division of labour.","watch_conditions":["The condition to watch is whether custom agents ship an ownership and deprecation story, because a workspace that accumulates specialised agents without one converges on the same unmaintained sprawl as a scripts directory."],"related_records":[{"url":"https://newruntime.com/posts/the-coding-agent-workbench-is-becoming-a-product-layer-of-its-own","relation":"Prior coverage of the coding-agent workbench as a product layer."},{"url":"https://newruntime.com/posts/agent-skills-at-organizational-scale","relation":"Prior coverage of the lifecycle problem created by many specialised skills."},{"url":"https://newruntime.com/topics/coding-agents","relation":"Topic hub for coding-agent tooling."}]},"routes":{"html":"https://newruntime.com/posts/google-antigravity-custom-agents/","markdown":"https://newruntime.com/posts/google-antigravity-custom-agents.md","json":"https://newruntime.com/posts/google-antigravity-custom-agents.json"}}