{"type":"post","id":"google-seems-to-be-rolling-out-support-for-2d983a","slug":"google-seems-to-be-rolling-out-support-for-2d983a","title":"Google seems to be rolling out support for custom MCPs on Gemini desktop app to more users.","description":"**Thesis:** Custom MCP support gives Gemini Spark a route to user-selected integrations beyond the provider’s named app connections.","retrieval_nugget":"**Thesis:** Custom MCP support gives Gemini Spark a route to user-selected integrations beyond the provider’s named app connections.","published_at":"2026-10-13","updated_at":"2026-10-13","record_date":"2026-10-13","date_kind":"published_at","topics":["mcp","google","gemini"],"source_urls":["https://blog.google/innovation-and-ai/products/gemini-app/gemini-spark-updates-june-2026/"],"schema_version":"newruntime-agent-readable-v0.2","stable_id":"post:google-seems-to-be-rolling-out-support-for-2d983a","status":"published","visuals":[],"editorial_provenance":{"schema_version":"newruntime-editorial-copy-v1","content_status":"source_grounded_final","final_copy_sha256":"sha256:4516ad62728eed5aabfa0d03cd612f32c8fe92b3d16a06aa3bbcc1625d1a25ce","reviewed_at":"2026-10-13T16:03:05.609Z","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":0},"analysis":{"schema_version":"newruntime-site-analysis-v1","object_kind":"field_note","thesis":"Custom MCP support gives Gemini Spark a route to user-selected integrations beyond the provider’s named app connections.","observed_facts":[{"text":"Google’s June 30, 2026 announcement says it is rolling out support for custom MCP connections in Gemini Spark.","source_urls":["https://blog.google/innovation-and-ai/products/gemini-app/gemini-spark-updates-june-2026/"]},{"text":"Google lists Google Tasks, Google Keep, Canva, Dropbox, Instacart, OpenTable and Zillow Rentals as connected apps, rolling out on web and mobile before macOS.","source_urls":["https://blog.google/innovation-and-ai/products/gemini-app/gemini-spark-updates-june-2026/"]}],"mechanism":"MCP offers a connection path for services outside the named integrations, potentially allowing user-assembled workflows; the announcement does not specify setup, permission, or client details.","why_now":"Google is broadening Spark across desktop work, connected applications and topic monitoring in one product update; custom MCP is part of that expansion rather than a standalone protocol announcement.","implications":["Builders can assess whether existing MCP services can connect to Spark once the capability is available in their account and client."],"evidence_boundary":"Google says custom MCP support is rolling out but does not specify schedule, geography, subscription tier, client scope, setup details, or a security model; the source does not substantiate Gemini 4, Computer Use or Superprojects claims.","watch_conditions":["Look for Google’s follow-up documentation or product interface specifying custom MCP availability, setup requirements and permission boundaries."],"related_records":[],"new_branch_reason":"No prior New Runtime record was supplied; this creates a distinct record for the confirmed custom MCP rollout and its stated evidence limits."},"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/google-seems-to-be-rolling-out-support-for-2d983a/","markdown":"https://newruntime.com/posts/google-seems-to-be-rolling-out-support-for-2d983a.md","json":"https://newruntime.com/posts/google-seems-to-be-rolling-out-support-for-2d983a.json"},"next_reads":[{"type":"topic","path":"/topics/mcp/","url":"https://newruntime.com/topics/mcp/","title":"Mcp","reason":"Explore the mcp topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/mcp.md","json_url":"https://newruntime.com/topics/mcp.json"},{"type":"topic","path":"/topics/google/","url":"https://newruntime.com/topics/google/","title":"Google","reason":"Explore the google topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/google.md","json_url":"https://newruntime.com/topics/google.json"},{"type":"topic","path":"/topics/gemini/","url":"https://newruntime.com/topics/gemini/","title":"Gemini","reason":"Explore the gemini topic hub.","media_type":"text/html","markdown_url":"https://newruntime.com/topics/gemini.md","json_url":"https://newruntime.com/topics/gemini.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"}]}