diff --git a/README.md b/README.md
index 13dbe62..9ee75c2 100644
--- a/README.md
+++ b/README.md
@@ -511,7 +511,7 @@ pnpm build                       # Generate bundle/bundle.json
 | **McpMux Desktop App** | [Download](https://mcpmux.com/download) — Windows, macOS, Linux |
 | **Discover Servers** | [mcpmux.com](https://mcpmux.com) — browse, search, and install MCP servers |
 | **Features** | [mcpmux.com/features](https://mcpmux.com/features) — Spaces, Feature Sets, encrypted credentials, and more |
-| **Source Code** | [github.com/ion-ash/mcp-mux](https://github.com/ion-ash/mcp-mux) |
+| **Source Code** | [github.com/mcpmux/mcp-mux](https://github.com/mcpmux/mcp-mux) |
 
 ---
 
diff --git a/schemas/server-definition.schema.json b/schemas/server-definition.schema.json
index 52b7ee1..7d21e35 100644
--- a/schemas/server-definition.schema.json
+++ b/schemas/server-definition.schema.json
@@ -218,6 +218,10 @@
           "type": "string",
           "description": "Help text for this input"
         },
+        "default": {
+          "type": "string",
+          "description": "Default value for this input (used when user provides no value)"
+        },
         "placeholder": {
           "type": "string",
           "description": "Placeholder text"
diff --git a/tests/schema-validation.test.js b/tests/schema-validation.test.js
index ff5c7d9..9b18a9d 100644
--- a/tests/schema-validation.test.js
+++ b/tests/schema-validation.test.js
@@ -50,6 +50,19 @@ describe("Server Definition Schema", () => {
   it.each([
     { id: "com.example-test", name: "Test", transport: { type: "stdio", command: "echo" } },
     { id: "com.example-remote", name: "Remote", transport: { type: "http", url: "https://example.com/mcp" } },
+    {
+      id: "com.example-defaults", name: "Defaults Test",
+      transport: {
+        type: "stdio", command: "node", args: ["server.js"],
+        env: { "LOG_LEVEL": "${input:LOG_LEVEL}" },
+        metadata: {
+          inputs: [
+            { id: "LOG_LEVEL", label: "Log Level", type: "text", required: false, default: "info" },
+            { id: "API_KEY", label: "API Key", type: "password", required: true, secret: true },
+          ],
+        },
+      },
+    },
   ])("validates valid server definition: $id", (data) => {
     expect(validate(data)).toBe(true);
   });