# GC-16 Capsule Bridge — Genesis Conductor > Cloudflare Worker that bridges GC-16 Google Workspace sync events to the > Soul Capsule event log. Idempotent cursor-based ingestion with auth-aware > circuit breaker. ## Endpoints - [POST /sync](./openapi.yaml#/paths/~1sync): Ingest sync batch with cursor - [POST /auth-status](./openapi.yaml#/paths/~1auth-status): Update GC-16 auth state - [GET /health](./openapi.yaml#/paths/~1health): Health check ## Concepts - Soul Capsule Event Log: Append-only telemetry for Genesis Conductor fleet - Cursor Idempotency: Skip re-ingestion via KV-stored (source, cursor) pairs - Auth Circuit Breaker: Refuse ops if GC-16 reported no_auth within 24h ## Integration - A2A Protocol: JSON-RPC 2.0 envelopes for artifact coordination - MCP Compatible: Can be exposed via MCP server adapter - OpenAI Actions: See ai-plugin.json for ChatGPT integration ## Source - [GitHub](https://github.com/Genesis-Conductor-Engine/gc-16-capsule-bridge)