Merge pull request #6929 from janhq/feat/official_jan_browser_mcp

feat: Add official jan browser mcp

Author: Vanalite

src-tauri/src/core/mcp/commands.rs

@@ -353,6 +353,30 @@ pub async fn get_mcp_configs<R: Runtime>(app: AppHandle<R>) -> Result<String, St
         mutated = true;
     }
 
+    // Migration: Add Jan Browser MCP if not present
+    let mcp_servers = config_object
+        .get_mut("mcpServers")
+        .and_then(|v| v.as_object_mut())
+        .ok_or("mcpServers is not an object")?;
+
+    if !mcp_servers.contains_key("Jan Browser MCP") {
+        log::info!("Migrating config: Adding 'Jan Browser MCP' server");
+        mcp_servers.insert(
+            "Jan Browser MCP".to_string(),
+            json!({
+                "command": "npx",
+                "args": ["-y", "[email protected]"],
+                "env": {
+                    "BRIDGE_HOST": "127.0.0.1",
+                    "BRIDGE_PORT": "17389"
+                },
+                "active": false,
+                "official": true
+            }),
+        );
+        mutated = true;
+    }
+
     // Persist any mutations back to disk
     if mutated {
         fs::write(

src-tauri/src/core/mcp/constants.rs

@@ -6,6 +6,16 @@ pub const DEFAULT_MCP_BACKOFF_MULTIPLIER: f64 = 2.0; // Double the delay each ti
 
 pub const DEFAULT_MCP_CONFIG: &str = r#"{
   "mcpServers": {
+    "Jan Browser MCP": {
+      "command": "npx",
+      "args": ["-y", "[email protected]"],
+      "env": {
+        "BRIDGE_HOST": "127.0.0.1",
+        "BRIDGE_PORT": "17389"
+      },
+      "active": false,
+      "official": true
+    },
     "exa": {
       "command": "npx",
       "args": ["-y", "exa-mcp-server"],

src-tauri/src/core/setup.rs

@@ -165,7 +165,7 @@ pub fn migrate_mcp_servers(
     if mcp_version < 1 {
         log::info!("Migrating MCP schema version 1");
         let result = add_server_config(
-            app_handle,
+            app_handle.clone(),
             "exa".to_string(),
             serde_json::json!({
                   "command": "npx",
@@ -178,7 +178,27 @@ pub fn migrate_mcp_servers(
             log::error!("Failed to add server config: {e}");
         }
     }
-    store.set("mcp_version", 1);
+    if mcp_version < 2 {
+        log::info!("Migrating MCP schema version 2: Adding Jan Browser MCP");
+        let result = add_server_config(
+            app_handle,
+            "Jan Browser MCP".to_string(),
+            serde_json::json!({
+                "command": "npx",
+                "args": ["-y", "[email protected]"],
+                "env": {
+                    "BRIDGE_HOST": "127.0.0.1",
+                    "BRIDGE_PORT": "17389"
+                },
+                "active": false,
+                "official": true
+            }),
+        );
+        if let Err(e) = result {
+            log::error!("Failed to add Jan Browser MCP server config: {e}");
+        }
+    }
+    store.set("mcp_version", 2);
     store.save().expect("Failed to save store");
     Ok(())
 }

web-app/src/hooks/useMCPServers.ts

@@ -11,6 +11,7 @@ export type MCPServerConfig = {
   url?: string
   headers?: Record<string, string>
   timeout?: number
+  official?: boolean
 }
 
 // Define the structure of all MCP servers

web-app/src/routes/settings/mcp-servers.tsx

@@ -480,6 +480,16 @@ function MCPServersDesktop() {
                         <h1 className="text-main-view-fg text-base capitalize">
                           {key}
                         </h1>
+                        {config.official && (
+                          <div className="flex items-center gap-1.5 px-2 py-0.5 text-xs bg-blue-500/10 text-blue-500 rounded">
+                            <img
+                              src="/images/jan-logo.png"
+                              alt="Jan"
+                              className="w-3 h-3 object-contain"
+                            />
+                            <span>Official</span>
+                          </div>
+                        )}
                       </div>
                     }
                     descriptionOutside={
@@ -512,6 +522,22 @@ function MCPServersDesktop() {
                                     .join(', ')}
                                 </div>
                               )}
+                            {config.official && (
+                              <div className="mt-2 text-xs text-main-view-fg/60 border-t border-main-view-fg/10 pt-2">
+                                <p className="mb-1">
+                                  Requires Jan Browser Extension to be installed
+                                  in your Chrome-based browser.
+                                </p>
+                                <a
+                                  href="https://github.com/menloresearch/jan-browser-extension"
+                                  target="_blank"
+                                  rel="noopener noreferrer"
+                                  className="text-blue-500 hover:underline"
+                                >
+                                  Install Extension →
+                                </a>
+                              </div>
+                            )}
                           </>
                         ) : (
                           <>