feat: build mcp server from workflow config

src/wf_mcp/broker/__init__.py

@@ -7,6 +7,7 @@ from .discovery import (
 from .events import McpEvent, make_event
 from .server import (
     build_workflow_server_from_config,
+    build_workflow_server_from_workflow_config,
     create_broker_server,
     workflow_server_from_service,
 )
@@ -21,6 +22,7 @@ __all__ = [
     "WfMcpService",
     "build_service_from_config",
     "build_workflow_server_from_config",
+    "build_workflow_server_from_workflow_config",
     "create_broker_server",
     "discover_connection_capabilities",
     "load_broker_config",

src/wf_mcp/broker/config.py

@@ -4,12 +4,13 @@ import json
 from pathlib import Path
 
 from wf_api import file_workflow_stores
+from wf_config import WorkflowConfigFile
 
 from ..control import BrokerConfigFile
 from ..models import BrokerConfig
 from ..runtime import McpRuntimePool, PersistentSessionFactory
 from ..sdk import McpSdkAdapter
-from ..source_registry import FileSourceRegistryStore
+from ..source_registry import FileSourceRegistryStore, workflow_mcp_source_to_connection_config
 from ..storage import FileStore
 from .service import WfMcpService
 
@@ -21,6 +22,18 @@ def load_broker_config(path: str | Path) -> BrokerConfig:
     return BrokerConfigFile.model_validate(data).to_runtime(config_path=config_path)
 
 
+def broker_config_from_workflow_config(config: WorkflowConfigFile) -> BrokerConfig:
+    """Create MCP broker runtime config from neutral workflow server config."""
+    return BrokerConfig(
+        store_root=config.server.store.root,
+        connections=[
+            workflow_mcp_source_to_connection_config(source)
+            for source in config.server.sources
+            if getattr(source, "kind", None) == "mcp"
+        ],
+    )
+
+
 def build_service_from_config(config: BrokerConfig) -> WfMcpService:
     """Create a broker service with SDK adapters for configured connections."""
     runtime_factory = PersistentSessionFactory()
@@ -44,3 +57,10 @@ def build_service_from_config(config: BrokerConfig) -> WfMcpService:
         if connection.server not in service.adapters:
             service.register_adapter(connection.server, McpSdkAdapter())
     return service
+
+
+__all__ = [
+    "broker_config_from_workflow_config",
+    "build_service_from_config",
+    "load_broker_config",
+]

src/wf_mcp/broker/server.py

@@ -12,8 +12,9 @@ from wf_api import (
 from wf_api.stores import WorkflowStores
 from wf_server import WorkflowServer, WorkflowServerConfig
 
+from wf_config import WorkflowConfigFile
 from .artifact_tools import register_artifact_tools
-from .config import build_service_from_config
+from .config import broker_config_from_workflow_config, build_service_from_config
 from .prompts import register_broker_prompts
 from .resources import register_broker_resources
 from .service import WfMcpService
@@ -101,8 +102,18 @@ def build_workflow_server_from_config(config: BrokerConfig) -> WorkflowServer:
     )
 
 
+def build_workflow_server_from_workflow_config(
+    config: WorkflowConfigFile,
+) -> WorkflowServer:
+    """Build an MCP-backed WorkflowServer from neutral workflow config sources."""
+    return build_workflow_server_from_config(
+        broker_config_from_workflow_config(config)
+    )
+
+
 __all__ = [
     "build_workflow_server_from_config",
+    "build_workflow_server_from_workflow_config",
     "create_broker_server",
     "workflow_server_from_service",
 ]