diff --git a/.mcp.json b/.mcp.json
new file mode 100644
index 0000000000000..403dea8a2164e
--- /dev/null
+++ b/.mcp.json
@@ -0,0 +1,9 @@
+{
+  "mcpServers": {
+    "firefox-devtools": {
+      "type": "stdio",
+      "command": "npx",
+      "args": ["@padenot/firefox-devtools-mcp"]
+    }
+  }
+}