feat(core): add mcp support (#34513)

packages/protocol/src/api.ts

@@ -21,6 +21,7 @@ import { ReferenceGroup } from "./groups/reference"
 import { Authorization } from "./middleware/authorization"
 import { LocationGroup } from "./groups/location"
 import { IntegrationGroup } from "./groups/integration"
+import { McpGroup } from "./groups/mcp"
 import { CredentialGroup } from "./groups/credential"
 import { ProjectGroup } from "./groups/project"
 import { ProjectCopyGroup } from "./groups/project-copy"
@@ -47,6 +48,7 @@ const makeApiFromGroup = <
     .add(GenerateGroup.middleware(locationMiddleware))
     .add(ProviderGroup.middleware(locationMiddleware))
     .add(IntegrationGroup.middleware(locationMiddleware))
+    .add(McpGroup.middleware(locationMiddleware))
     .add(CredentialGroup.middleware(locationMiddleware))
     .add(ProjectGroup.middleware(locationMiddleware))
     .add(makePermissionGroup(locationMiddleware, sessionLocationMiddleware))

packages/protocol/src/groups/mcp.ts

@@ -0,0 +1,22 @@
+import { Mcp } from "@opencode-ai/schema/mcp"
+import { Location } from "@opencode-ai/schema/location"
+import { Schema } from "effect"
+import { HttpApiEndpoint, HttpApiGroup, OpenApi } from "effect/unstable/httpapi"
+import { LocationQuery, locationQueryOpenApi } from "./location"
+
+export const McpGroup = HttpApiGroup.make("server.mcp")
+  .add(
+    HttpApiEndpoint.get("mcp.list", "/api/mcp", {
+      query: LocationQuery,
+      success: Location.response(Schema.Array(Mcp.Server)),
+    })
+      .annotateMerge(locationQueryOpenApi)
+      .annotateMerge(
+        OpenApi.annotations({
+          identifier: "v2.mcp.list",
+          summary: "List MCP servers",
+          description: "Retrieve configured MCP servers and their connection status.",
+        }),
+      ),
+  )
+  .annotateMerge(OpenApi.annotations({ title: "mcp", description: "MCP server status routes." }))