Added general meta data section to add pairs for all requests

client/src/lib/hooks/useConnection.ts

@@ -79,6 +79,7 @@ interface UseConnectionOptions {
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   getRoots?: () => any[];
   defaultLoggingLevel?: LoggingLevel;
+  metaData?: Record<string, string>;
 }
 
 export function useConnection({
@@ -97,6 +98,7 @@ export function useConnection({
   onElicitationRequest,
   getRoots,
   defaultLoggingLevel,
+  metaData = {},
 }: UseConnectionOptions) {
   const [connectionStatus, setConnectionStatus] =
     useState<ConnectionStatus>("disconnected");
@@ -153,6 +155,20 @@ export function useConnection({
     try {
       const abortController = new AbortController();
 
+      // Add metadata to the request if available, but skip for tool calls
+      // as they handle metadata merging separately
+      const shouldAddGeneralMeta =
+        request.method !== "tools/call" && Object.keys(metaData).length > 0;
+      const requestWithMeta = shouldAddGeneralMeta
+        ? {
+            ...request,
+            params: {
+              ...request.params,
+              _meta: metaData,
+            },
+          }
+        : request;
+
       // prepare MCP Client request options
       const mcpRequestOptions: RequestOptions = {
         signal: options?.signal ?? abortController.signal,
@@ -181,13 +197,17 @@ export function useConnection({
 
       let response;
       try {
-        response = await mcpClient.request(request, schema, mcpRequestOptions);
+        response = await mcpClient.request(
+          requestWithMeta,
+          schema,
+          mcpRequestOptions,
+        );
 
-        pushHistory(request, response);
+        pushHistory(requestWithMeta, response);
       } catch (error) {
         const errorMessage =
           error instanceof Error ? error.message : String(error);
-        pushHistory(request, { error: errorMessage });
+        pushHistory(requestWithMeta, { error: errorMessage });
         throw error;
       }