Composio — External App Integration via Gateway Composio lets users connect 1000+ external apps (Gmail, Slack, GitHub, Google Calendar, Notion, etc.) to their Starchild agent. All operations go through the Composio Gateway ( ), which handles auth and API key management. Architecture - You never touch the COMPOSIO API KEY — the gateway holds it - You never call Composio SDK directly — use the gateway HTTP API - Authentication is automatic — your Fly 6PN IPv6 resolves to a user id via the billing DB - No env vars needed — the gateway is always accessible from any agent container Gateway Base UR…