diff --git a/README.md b/README.md
index e55c9f6..3b97638 100644
--- a/README.md
+++ b/README.md
@@ -44,20 +44,25 @@ There are two ways to configure the environment with the Obsidian REST API Key.
     ],
     "env": {
       "OBSIDIAN_API_KEY": "<your_api_key_here>",
-      "OBSIDIAN_HOST": "<your_obsidian_host>"
+      "OBSIDIAN_HOST": "<your_obsidian_host>",
+      "OBSIDIAN_PORT": "<your_obsidian_port>"
     }
   }
 }
 ```
 
-2. Create a `.env` file in the working directory with the following required variable:
+2. Create a `.env` file in the working directory with the following required variables:
 
 ```
 OBSIDIAN_API_KEY=your_api_key_here
 OBSIDIAN_HOST=your_obsidian_host
+OBSIDIAN_PORT=your_obsidian_port
 ```
 
-Note: You can find the key in the Obsidian plugin config.
+Note:
+- You can find the API key in the Obsidian plugin config
+- Default port is 27124 if not specified
+- Default host is 127.0.0.1 if not specified
 
 ## Quickstart
 
@@ -88,7 +93,12 @@ On Windows: `%APPDATA%/Claude/claude_desktop_config.json`
         "<dir_to>/mcp-obsidian",
         "run",
         "mcp-obsidian"
-      ]
+      ],
+      "env": {
+        "OBSIDIAN_API_KEY": "<your_api_key_here>",
+        "OBSIDIAN_HOST": "<your_obsidian_host>",
+        "OBSIDIAN_PORT": "<your_obsidian_port>"
+      }
     }
   }
 }
@@ -107,7 +117,9 @@ On Windows: `%APPDATA%/Claude/claude_desktop_config.json`
         "mcp-obsidian"
       ],
       "env": {
-        "OBSIDIAN_API_KEY" : "<YOUR_OBSIDIAN_API_KEY>"
+        "OBSIDIAN_API_KEY": "<YOUR_OBSIDIAN_API_KEY>",
+        "OBSIDIAN_HOST": "<your_obsidian_host>",
+        "OBSIDIAN_PORT": "<your_obsidian_port>"
       }
     }
   }
diff --git a/src/mcp_obsidian/obsidian.py b/src/mcp_obsidian/obsidian.py
index a2c235f..29fc36e 100644
--- a/src/mcp_obsidian/obsidian.py
+++ b/src/mcp_obsidian/obsidian.py
@@ -1,5 +1,6 @@
 import requests
 import urllib.parse
+import os
 from typing import Any
 
 class Obsidian():
@@ -8,7 +9,7 @@ class Obsidian():
             api_key: str,
             protocol: str = 'https',
             host: str = "127.0.0.1",
-            port: int = 27124,
+            port: int = int(os.getenv('OBSIDIAN_PORT', '27124')),
             verify_ssl: bool = False,
         ):
         self.api_key = api_key