Runtime Control Plane
ACTIVE4 microservices
Durable multi-service WebMCP coordinator with state persistence, authoritative reconciliation, and Saga rollback.
ACTIVE SCENARIO:Lost ACK on Routing (IN_DOUBT) → authoritative reconciliation (RECOVERED) → confirmed Frontend failure → human-approved reverse rollback.
POSTGRESQL DURABILITYTRANSACTION TOPOLOGYCREATED
Database
WAITINGPostgreSQL schema
Backend
WAITINGCompute runtime
Routing
WAITINGGateway proxy route
Frontend
WAITINGApplication preview host
FULL EVENT LOG0 events
No events recorded yet. Run a scenario to stream live transaction events.
TRANSACTION METADATA
StatusCREATED
Transaction ID
DurabilityPostgreSQL (Port 5435)
Workflow Type4-Service Reference
AUTHORITATIVE STATEREAL-TIME REMOTE
Database Service
PostgreSQL schema
Compute Service
Backend runtime
DRAFT
Routing Service
Gateway proxy route
DRAFT
Frontend Service
Preview deployment
DRAFT
RECENT EVENTSLATEST 5
No events recorded yet. Run a scenario above.
Coordinator crash recovery test
Microservice host ports
Database: :3002
Compute: :3003
Routing: :3001
Frontend: :3004
Cross-Origin WebMCP Bridges (4 Microservices)
Zero-broker browser delegation across :3002, :3003, :3001, and :3004
Database ServiceCloud
OFFLINE○create_database
○get_database
○delete_database
Compute ServiceCloud
OFFLINE○deploy_backend
○get_backend
○delete_backend
Routing ServiceCloud
OFFLINE○create_route
○get_route
○delete_route
Frontend ServiceCloud
OFFLINE○deploy_frontend
○get_frontend
○delete_frontend
MCPx Saga Compensation Demo
Confirmed Failure (reject-before-commit), Human Approval & WebMCP Rollback
TX: CREATED
Saga Dependency Graph (2 Nodes)
1. DATABASEPENDING
Tool: create_database
Key: tx:init:database:create
dependency→
2. ROUTINGPENDING
Tool: create_route
Key: tx:init:routing:create
Authoritative Resource InspectionLive Services
Database Resource:ABSENT / COMPENSATED
Routing Resource:ABSENT (Clean rejection)
Transaction ID:tx:demo-init
Durable Sequenced Event Log (0)
No events logged yet. Click [ RUN CHALLENGE SCENARIO ] to execute.
MCPx Reliability Demo
Deterministic Failure Injection (drop-ack-after-commit) & Authoritative Reconciliation
State: PENDING
Node State Transition Pipeline
EXECUTING
↓IN_DOUBT
↓RECONCILING
↓RECOVERED
Authoritative Inspection
Resource Exists:—
Resource ID:—
Operation Key:tx:demo-002:routing:create
Durable Sequenced Event Log (0)
No events logged yet. Click [ RUN CHALLENGE SCENARIO ] to execute.
Manual WebMCP Controls (Day-1 Proof)
Direct interactive invocation of create_route, get_route, and delete_route
Route Parameters
Last WebMCP Result (Normalized)
No tool executed yet. Click one of the action buttons to trigger WebMCP execution.
Embedded Microservice Resource Providers (4 Ports)
Independent WebMCP applications embedded with allow="tools"