thing

src/wf_mcp/broker/service/capability_sources.py

@@ -63,3 +63,15 @@ class CapabilitySource:
             "prompt_count": len(self.capabilities.prompts),
             "resource_count": len(self.capabilities.resources),
         }
+
+    def as_inventory(self) -> dict[str, Any]:
+        """Return source metadata plus the capability names it owns."""
+        return {
+            **self.as_status(),
+            "capabilities": {
+                "tools": sorted(self.capabilities.tools),
+                "node_specs": sorted(self.capabilities.node_specs),
+                "prompts": sorted(self.capabilities.prompts),
+                "resources": sorted(self.capabilities.resources),
+            },
+        }

src/wf_mcp/broker/service/core.py

@@ -250,6 +250,16 @@ class WfMcpService:
             and source.visibility.planner
         ]
 
+    def list_sources(self) -> list[dict[str, Any]]:
+        """Return every capability source with the names it currently owns."""
+        return [
+            source.as_inventory()
+            for source in sorted(
+                self.capability_sources.values(),
+                key=lambda source: source.id,
+            )
+        ]
+
     def list_available_specs(self) -> list[CatalogNodeEntry]:
         """Return planner-visible node catalog entries from every visible source."""
         return self.get_planner_catalog().entries()

src/wf_mcp/broker/tools.py

@@ -39,6 +39,10 @@ def register_broker_tools(server: FastMCP, service: WfMcpService) -> None:
     async def list_spec_sources() -> list[dict[str, Any]]:
         return handlers.list_spec_sources()
 
+    @server.tool()
+    async def list_sources() -> list[dict[str, Any]]:
+        return handlers.list_sources()
+
     @server.tool()
     async def read_broker_resource(qualified_name: str) -> dict[str, Any]:
         return await handlers.read_broker_resource(qualified_name)