diff --git a/web/src/app/settings/dialogs/add-mcp-server-dialog.tsx b/web/src/app/settings/dialogs/add-mcp-server-dialog.tsx
index 92f1a10..924c717 100644
--- a/web/src/app/settings/dialogs/add-mcp-server-dialog.tsx
+++ b/web/src/app/settings/dialogs/add-mcp-server-dialog.tsx
@@ -99,6 +99,8 @@ export function AddMCPServerDialog({
           transport: server.transport,
           name: key,
           url: server.url,
+          env: server.env,
+          headers: server.headers,
         };
         addingServers.push(metadata);
       }
diff --git a/web/src/core/mcp/schema.ts b/web/src/core/mcp/schema.ts
index fc472cb..0e4c57a 100644
--- a/web/src/core/mcp/schema.ts
+++ b/web/src/core/mcp/schema.ts
@@ -47,6 +47,11 @@ export const MCPConfigSchema = z.object({
               message: "`env` must be an object of key-value pairs",
             })
             .optional(),
+          headers: z
+            .record(z.string(), {
+              message: "`headers` must be an object of key-value pairs",
+            })
+            .optional(),
           transport: z
             .enum(["sse", "streamable_http"], {
               message: "transport must be either sse or streamable_http"