Agent Substrate Ships MCP Server, Letting Antigravity Drive Actors Without Code Changes

Agent Substrate released an MCP server that runs filesystem operations and bash commands on actors with automatic suspend/resume between turns; Google Antigravity instances now use it so tool calls wake Substrate actors without any code changes.

2026-11-06 ~ 2026-11-06 · 3 related posts

• Agent Substrate ships an MCP server for fs/bash on actors with auto suspend-resume — rakyll · 2026-11-06
• Google's Antigravity routes all tool calls via MCP through Substrate actors, new open-source env repo — rakyll · 2026-11-06

1 near-duplicate retellings: realtatendazhou