docs: Add image preview to README and update JIRA_PASSWORD to use environment variable

README.md

@@ -2,6 +2,11 @@
 
 This repository contains a Model Context Protocol (MCP) server that connects your AI assistants (like Cursor, Gemini, Claude Desktop) directly to any self-hosted Jira Server or Jira Cloud instance. It enables your AI to seamlessly manage tasks, create issues, and query your project management workflow without leaving the chat interface.
 
+<!-- a screenshot or preview of the server in action -->
+<p align="center">
+  <img src="image.png" alt="Jira MCP Server screenshot" width="400" />
+</p>
+
 ## Author
 **Md Shahidul Islam** - Project Creator & Developer
 

test_jira.py

@@ -3,7 +3,7 @@ from jira import JIRA
 
 JIRA_SERVER = os.environ.get("JIRA_SERVER", "http://103.41.111.60:8085")
 JIRA_USERNAME = os.environ.get("JIRA_USERNAME", "shahidul")
-JIRA_PASSWORD = os.environ.get("JIRA_PASSWORD", "Shahidul@Jira#2024")
+JIRA_PASSWORD = os.environ.get("JIRA_PASSWORD", "[]")
 
 jira = JIRA(server=JIRA_SERVER, basic_auth=(JIRA_USERNAME, JIRA_PASSWORD))