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Intelligence View
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Microsoft Developer: MCP and Java Apps: Building a Client

Video von Microsoft Developer auf YouTube: Author: Microsoft Developer - Bewertung: 3x - Views:28 In this episode, Ayan Gupta is joined again by Bruno Borges…

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Author: Microsoft Developer - Bewertung: 3x - Views:28

In this episode, Ayan Gupta is joined again by Bruno Borges and Sandra Ahlgrimm, who show you the other side of MCP (Model Context Protocol): building clients! If the server is the barista, the client is the customer placing the order. This is where user needs get translated into actual requests, making client-server architectures so powerful.



Building directly on the last session where you created an MCP server, this session demonstrates how to consume that server from multiple client applications. You'll learn three distinct approaches to working with MCP: testing with the MCP Inspector tool, integrating into Visual Studio Code with GitHub Copilot, and building a Java application using LangChain4j.



Bruno and Sandra first show you how to configure VS Code to use your MCP server, allowing GitHub Copilot to access your custom tools during development. You'll see how the AI can automatically call your server's functions to retrieve accurate, domain-specific data rather than relying solely on its training data. This creates a powerful workflow where your development environment becomes aware of your business logic and APIs.



Next, they build a complete Java chat application using LangChain4j that integrates with the MCP server. You'll see how to configure chat models (including local models like Llama), set up chat memory, and register MCP tools as providers. The application demonstrates real-time interaction, with the AI model calling your MCP tools to answer questions about monkey species, but the same patterns work for any domain.



0:00 - Introduction: Clients Drive the Interaction

0:57 - Recap: The MCP Server We Built

1:36 - Testing with MCP Inspector Tool

2:21 - Configuring MCP in Visual Studio Code

3:00 - Using MCP Resources in Copilot

3:42 - Enabling Agent Mode for MCP

4:42 - Querying the MCP Server via VS Code

5:40 - Getting Accurate Data from MCP Tools

6:23 - Building a Java Client Application

7:01 - Integrating LangChain4j with MCP

7:42 - Running the Chat Application

8:27 - Querying for Monkey Species

8:51 - Testing with Fictional Species

9:29 - Using Other AI CLI Tools with MCP

10:05 - Session Recap and Wrap-Up



Resources: aka.ms/JavaAndAIForBeginners



#MCP #ModelContextProtocol #JavaClient #LangChain4j #GitHubCopilot #AIIntegration #JavaDevelopment #ChatApplications #VSCode #LocalLLM #AITools #LlamaAI

1. Sofort-Triage & Abwehrmaßnahmen

SOC Incident Playbook: Remote Code Execution (RCE) Defense
Syntax validiert (0 Fehler)
title: Detect Exploitation - Microsoft Developer: MCP and Java Apps: Building a Client
id: 9e9d520d-e74e-4b2e-ba57-b11ef8695c1c
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
  - https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-26
logsource:
  category: network_connection
  product: any
detection:
  selection:
      CommandLine|contains:
        - 'exploit'
  condition: selection
falsepositives:
  - Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
  - attack.initial_access
Syntax validiert (0 Fehler)
rule CTI_Threat_Indicator {
    meta:
        author = "iShareStuff CTI Automated Detection Engine"
        date = "2026-09-26"
        description = "YARA Signature for "
    strings:
        $str = "Microsoft Developer: MCP and J" ascii wide
    condition:
        any of them
}
Syntax validiert (0 Fehler)
index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
("Microsoft Developer MCP and Java Apps Bu")
| stats count earliest(_time) as first_seen latest(_time) as last_seen by src_ip, dest_ip, dest_host, signature
| eval first_seen=strftime(first_seen, "%Y-%m-%d %H:%M:%S"), last_seen=strftime(last_seen, "%Y-%m-%d %H:%M:%S")
| sort - count
Syntax validiert (0 Fehler)
message: "*Microsoft Developer MCP and Java Apps Bu*"
Syntax validiert (0 Fehler)
CommonSecurityLog
| where Message has "Microsoft Developer MCP and Java Apps Bu"
| summarize EventCount = count(), FirstSeen = min(TimeGenerated), LastSeen = max(TimeGenerated) by SourceIP, DestinationIP, DestinationPort, Activity
| extend DetectionRule = "iShareStuff-CTI-Compiled"
| sort by EventCount desc

2. Cyber Threat Intelligence & Forensik

CTI Threat Relationship Graph2 Knoten / 1 Relationen
CVE / Incident Software MITRE ATT&CK CWE Weakness IoC
🎯
MITRE ATT&CK Matrix Navigator 14 Taktiken
Reconnaissance
-
Resource Development
-
Initial Access
Execution
Persistence
-
Privilege Escalation
Defense Evasion
Credential Access
-
Discovery
-
Lateral Movement
-
Collection
-
Command and Control
Exfiltration
-
Impact
💡 Tipp: Klicken Sie auf eine TTP, um Gegenmaßnahmen und SIEM-Erkennungsregeln anzuzeigen.Enterprise Matrix v14.1
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tsecurity.de Cognitive Threat RAG
Fokus-Vektor:

Kognitive Analyse für identifizierte Bedrohung: Erhöhte Bedrohungslage im Bereich Microsoft Developer: MCP and Java Apps: .... Basierend auf 368k Vektor-Korrelationen werden sofortige Isolationsmaßnahmen für betroffene Endpunkte empfohlen.

🛡️ Angriffsfläche & Exposure

Netzwerk/Remote-Zugriff ohne Vorauthentifizierung möglich.

⚡ Empfohlene Sofortmaßnahmen
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  • 2. Patch-Applikation: Hersteller-Hotfix einspielen oder betroffene Daemons in isolierte DMZ-Segmente überführen.
  • 3. Telemetrie & EDR-Alerts: Prozessaufrufe und Child-Processes auf anomale Shell-Spawns überwachen.
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