core: improve MCP reliability and add status monitoring

- Added 5-second timeout to MCP client verification to prevent hanging connections
- New GET /mcp endpoint to monitor server connection status
- Automatically removes unresponsive MCP clients during initialization

packages/sdk/js/src/gen/sdk.gen.ts

@@ -82,6 +82,8 @@ import type {
   AppLogResponses,
   AppAgentsData,
   AppAgentsResponses,
+  McpStatusData,
+  McpStatusResponses,
   TuiAppendPromptData,
   TuiAppendPromptResponses,
   TuiOpenHelpData,
@@ -567,6 +569,18 @@ class App extends _HeyApiClient {
   }
 }
 
+class Mcp extends _HeyApiClient {
+  /**
+   * Get MCP server status
+   */
+  public status<ThrowOnError extends boolean = false>(options?: Options<McpStatusData, ThrowOnError>) {
+    return (options?.client ?? this._client).get<McpStatusResponses, unknown, ThrowOnError>({
+      url: "/mcp",
+      ...options,
+    })
+  }
+}
+
 class Tui extends _HeyApiClient {
   /**
    * Append prompt to the TUI
@@ -724,6 +738,7 @@ export class OpencodeClient extends _HeyApiClient {
   find = new Find({ client: this._client })
   file = new File({ client: this._client })
   app = new App({ client: this._client })
+  mcp = new Mcp({ client: this._client })
   tui = new Tui({ client: this._client })
   auth = new Auth({ client: this._client })
   event = new Event({ client: this._client })

packages/sdk/js/src/gen/types.gen.ts

@@ -2070,6 +2070,22 @@ export type AppAgentsResponses = {
 
 export type AppAgentsResponse = AppAgentsResponses[keyof AppAgentsResponses]
 
+export type McpStatusData = {
+  body?: never
+  path?: never
+  query?: {
+    directory?: string
+  }
+  url: "/mcp"
+}
+
+export type McpStatusResponses = {
+  /**
+   * MCP server status
+   */
+  200: unknown
+}
+
 export type TuiAppendPromptData = {
   body?: {
     text: string