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MCP Root Contexts

Root contexti su temeljni koncept u Model Context Protocolu koji pružaju trajni sloj za održavanje povijesti razgovora i zajedničkog stanja kroz više zahtjeva i sesija.

Uvod

U ovom ćemo poglavlju istražiti kako kreirati, upravljati i koristiti root contexte u MCP-u.

Ciljevi učenja

Na kraju ovog poglavlja moći ćete:

  • Razumjeti svrhu i strukturu root contexta
  • Kreirati i upravljati root contextima koristeći MCP klijentske biblioteke
  • Implementirati root contexte u .NET, Java, JavaScript i Python aplikacijama
  • Iskoristiti root contexte za višekratne razgovore i upravljanje stanjem
  • Primijeniti najbolje prakse za upravljanje root contextima

Razumijevanje root contexta

Root contexti služe kao spremnici koji čuvaju povijest i stanje za niz povezanih interakcija. Omogućuju:

  • Očuvanje razgovora: održavanje koherentnih višekratnih razgovora
  • Upravljanje memorijom: pohranu i dohvat informacija kroz interakcije
  • Upravljanje stanjem: praćenje napretka u složenim radnim tokovima
  • Dijeljenje konteksta: omogućavanje pristupa istom stanju razgovora više klijenata

U MCP-u, root contexti imaju sljedeće ključne karakteristike:

  • Svaki root context ima jedinstveni identifikator.
  • Mogu sadržavati povijest razgovora, korisničke postavke i druge metapodatke.
  • Mogu se kreirati, pristupati im i arhivirati po potrebi.
  • Podržavaju detaljnu kontrolu pristupa i dozvole.

Životni ciklus root contexta

flowchart TD
    A[Create Root Context] --> B[Initialize with Metadata]
    B --> C[Send Requests with Context ID]
    C --> D[Update Context with Results]
    D --> C
    D --> E[Archive Context When Complete]
Loading

Rad s root contextima

Evo primjera kako kreirati i upravljati root contextima.

Implementacija u C#

// .NET Example: Root Context Management
using Microsoft.Mcp.Client;
using System;
using System.Threading.Tasks;
using System.Collections.Generic;

public class RootContextExample
{
    private readonly IMcpClient _client;
    private readonly IRootContextManager _contextManager;
    
    public RootContextExample(IMcpClient client, IRootContextManager contextManager)
    {
        _client = client;
        _contextManager = contextManager;
    }
    
    public async Task DemonstrateRootContextAsync()
    {
        // 1. Create a new root context
        var contextResult = await _contextManager.CreateRootContextAsync(new RootContextCreateOptions
        {
            Name = "Customer Support Session",
            Metadata = new Dictionary<string, string>
            {
                ["CustomerName"] = "Acme Corporation",
                ["PriorityLevel"] = "High",
                ["Domain"] = "Cloud Services"
            }
        });
        
        string contextId = contextResult.ContextId;
        Console.WriteLine($"Created root context with ID: {contextId}");
        
        // 2. First interaction using the context
        var response1 = await _client.SendPromptAsync(
            "I'm having issues scaling my web service deployment in the cloud.", 
            new SendPromptOptions { RootContextId = contextId }
        );
        
        Console.WriteLine($"First response: {response1.GeneratedText}");
        
        // Second interaction - the model will have access to the previous conversation
        var response2 = await _client.SendPromptAsync(
            "Yes, we're using containerized deployments with Kubernetes.", 
            new SendPromptOptions { RootContextId = contextId }
        );
        
        Console.WriteLine($"Second response: {response2.GeneratedText}");
        
        // 3. Add metadata to the context based on conversation
        await _contextManager.UpdateContextMetadataAsync(contextId, new Dictionary<string, string>
        {
            ["TechnicalEnvironment"] = "Kubernetes",
            ["IssueType"] = "Scaling"
        });
        
        // 4. Get context information
        var contextInfo = await _contextManager.GetRootContextInfoAsync(contextId);
        
        Console.WriteLine("Context Information:");
        Console.WriteLine($"- Name: {contextInfo.Name}");
        Console.WriteLine($"- Created: {contextInfo.CreatedAt}");
        Console.WriteLine($"- Messages: {contextInfo.MessageCount}");
        
        // 5. When the conversation is complete, archive the context
        await _contextManager.ArchiveRootContextAsync(contextId);
        Console.WriteLine($"Archived context {contextId}");
    }
}

U prethodnom kodu smo:

  1. Kreirali root context za sesiju korisničke podrške.
  2. Poslali više poruka unutar tog contexta, omogućujući modelu održavanje stanja.
  3. Ažurirali context relevantnim metapodacima na temelju razgovora.
  4. Dohvatili informacije o contextu kako bismo razumjeli povijest razgovora.
  5. Arhivirali context kada je razgovor završen.

Primjer: Implementacija root contexta za financijsku analizu

U ovom primjeru kreirat ćemo root context za sesiju financijske analize, pokazujući kako održavati stanje kroz više interakcija.

Implementacija u Javi

// Java Example: Root Context Implementation
package com.example.mcp.contexts;

import com.mcp.client.McpClient;
import com.mcp.client.ContextManager;
import com.mcp.models.RootContext;
import com.mcp.models.McpResponse;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

public class RootContextsDemo {
    private final McpClient client;
    private final ContextManager contextManager;
    
    public RootContextsDemo(String serverUrl) {
        this.client = new McpClient.Builder()
            .setServerUrl(serverUrl)
            .build();
            
        this.contextManager = new ContextManager(client);
    }
    
    public void demonstrateRootContext() throws Exception {
        // Create context metadata
        Map<String, String> metadata = new HashMap<>();
        metadata.put("projectName", "Financial Analysis");
        metadata.put("userRole", "Financial Analyst");
        metadata.put("dataSource", "Q1 2025 Financial Reports");
        
        // 1. Create a new root context
        RootContext context = contextManager.createRootContext("Financial Analysis Session", metadata);
        String contextId = context.getId();
        
        System.out.println("Created context: " + contextId);
        
        // 2. First interaction
        McpResponse response1 = client.sendPrompt(
            "Analyze the trends in Q1 financial data for our technology division",
            contextId
        );
        
        System.out.println("First response: " + response1.getGeneratedText());
        
        // 3. Update context with important information gained from response
        contextManager.addContextMetadata(contextId, 
            Map.of("identifiedTrend", "Increasing cloud infrastructure costs"));
        
        // Second interaction - using the same context
        McpResponse response2 = client.sendPrompt(
            "What's driving the increase in cloud infrastructure costs?",
            contextId
        );
        
        System.out.println("Second response: " + response2.getGeneratedText());
        
        // 4. Generate a summary of the analysis session
        McpResponse summaryResponse = client.sendPrompt(
            "Summarize our analysis of the technology division financials in 3-5 key points",
            contextId
        );
        
        // Store the summary in context metadata
        contextManager.addContextMetadata(contextId, 
            Map.of("analysisSummary", summaryResponse.getGeneratedText()));
            
        // Get updated context information
        RootContext updatedContext = contextManager.getRootContext(contextId);
        
        System.out.println("Context Information:");
        System.out.println("- Created: " + updatedContext.getCreatedAt());
        System.out.println("- Last Updated: " + updatedContext.getLastUpdatedAt());
        System.out.println("- Analysis Summary: " + 
            updatedContext.getMetadata().get("analysisSummary"));
            
        // 5. Archive context when done
        contextManager.archiveContext(contextId);
        System.out.println("Context archived");
    }
}

U prethodnom kodu smo:

  1. Kreirali root context za sesiju financijske analize.
  2. Poslali više poruka unutar tog contexta, omogućujući modelu održavanje stanja.
  3. Ažurirali context relevantnim metapodacima na temelju razgovora.
  4. Generirali sažetak sesije analize i pohranili ga u metapodatke contexta.
  5. Arhivirali context kada je razgovor završen.

Primjer: Upravljanje root contextima

Učinkovito upravljanje root contextima ključno je za održavanje povijesti razgovora i stanja. Ispod je primjer kako implementirati upravljanje root contextima.

Implementacija u JavaScriptu

// JavaScript Example: Managing MCP Root Contexts
const { McpClient, RootContextManager } = require('@mcp/client');

class ContextSession {
  constructor(serverUrl, apiKey = null) {
    // Initialize the MCP client
    this.client = new McpClient({
      serverUrl,
      apiKey
    });
    
    // Initialize context manager
    this.contextManager = new RootContextManager(this.client);
  }
  
  /**
   * Create a new conversation context
   * @param {string} sessionName - Name of the conversation session
   * @param {Object} metadata - Additional metadata for the context
   * @returns {Promise<string>} - Context ID
   */
  async createConversationContext(sessionName, metadata = {}) {
    try {
      const contextResult = await this.contextManager.createRootContext({
        name: sessionName,
        metadata: {
          ...metadata,
          createdAt: new Date().toISOString(),
          status: 'active'
        }
      });
      
      console.log(`Created root context '${sessionName}' with ID: ${contextResult.id}`);
      return contextResult.id;
    } catch (error) {
      console.error('Error creating root context:', error);
      throw error;
    }
  }
  
  /**
   * Send a message in an existing context
   * @param {string} contextId - The root context ID
   * @param {string} message - The user's message
   * @param {Object} options - Additional options
   * @returns {Promise<Object>} - Response data
   */
  async sendMessage(contextId, message, options = {}) {
    try {
      // Send the message using the specified context
      const response = await this.client.sendPrompt(message, {
        rootContextId: contextId,
        temperature: options.temperature || 0.7,
        allowedTools: options.allowedTools || []
      });
      
      // Optionally store important insights from the conversation
      if (options.storeInsights) {
        await this.storeConversationInsights(contextId, message, response.generatedText);
      }
      
      return {
        message: response.generatedText,
        toolCalls: response.toolCalls || [],
        contextId
      };
    } catch (error) {
      console.error(`Error sending message in context ${contextId}:`, error);
      throw error;
    }
  }
  
  /**
   * Store important insights from a conversation
   * @param {string} contextId - The root context ID
   * @param {string} userMessage - User's message
   * @param {string} aiResponse - AI's response
   */
  async storeConversationInsights(contextId, userMessage, aiResponse) {
    try {
      // Extract potential insights (in a real app, this would be more sophisticated)
      const combinedText = userMessage + "\n" + aiResponse;
      
      // Simple heuristic to identify potential insights
      const insightWords = ["important", "key point", "remember", "significant", "crucial"];
      
      const potentialInsights = combinedText
        .split(".")
        .filter(sentence => 
          insightWords.some(word => sentence.toLowerCase().includes(word))
        )
        .map(sentence => sentence.trim())
        .filter(sentence => sentence.length > 10);
      
      // Store insights in context metadata
      if (potentialInsights.length > 0) {
        const insights = {};
        potentialInsights.forEach((insight, index) => {
          insights[`insight_${Date.now()}_${index}`] = insight;
        });
        
        await this.contextManager.updateContextMetadata(contextId, insights);
        console.log(`Stored ${potentialInsights.length} insights in context ${contextId}`);
      }
    } catch (error) {
      console.warn('Error storing conversation insights:', error);
      // Non-critical error, so just log warning
    }
  }
  
  /**
   * Get summary information about a context
   * @param {string} contextId - The root context ID
   * @returns {Promise<Object>} - Context information
   */
  async getContextInfo(contextId) {
    try {
      const contextInfo = await this.contextManager.getContextInfo(contextId);
      
      return {
        id: contextInfo.id,
        name: contextInfo.name,
        created: new Date(contextInfo.createdAt).toLocaleString(),
        lastUpdated: new Date(contextInfo.lastUpdatedAt).toLocaleString(),
        messageCount: contextInfo.messageCount,
        metadata: contextInfo.metadata,
        status: contextInfo.status
      };
    } catch (error) {
      console.error(`Error getting context info for ${contextId}:`, error);
      throw error;
    }
  }
  
  /**
   * Generate a summary of the conversation in a context
   * @param {string} contextId - The root context ID
   * @returns {Promise<string>} - Generated summary
   */
  async generateContextSummary(contextId) {
    try {
      // Ask the model to generate a summary of the conversation so far
      const response = await this.client.sendPrompt(
        "Please summarize our conversation so far in 3-4 sentences, highlighting the main points discussed.",
        { rootContextId: contextId, temperature: 0.3 }
      );
      
      // Store the summary in context metadata
      await this.contextManager.updateContextMetadata(contextId, {
        conversationSummary: response.generatedText,
        summarizedAt: new Date().toISOString()
      });
      
      return response.generatedText;
    } catch (error) {
      console.error(`Error generating context summary for ${contextId}:`, error);
      throw error;
    }
  }
  
  /**
   * Archive a context when it's no longer needed
   * @param {string} contextId - The root context ID
   * @returns {Promise<Object>} - Result of the archive operation
   */
  async archiveContext(contextId) {
    try {
      // Generate a final summary before archiving
      const summary = await this.generateContextSummary(contextId);
      
      // Archive the context
      await this.contextManager.archiveContext(contextId);
      
      return {
        status: "archived",
        contextId,
        summary
      };
    } catch (error) {
      console.error(`Error archiving context ${contextId}:`, error);
      throw error;
    }
  }
}

// Example usage
async function demonstrateContextSession() {
  const session = new ContextSession('https://mcp-server-example.com');
  
  try {
    // 1. Create a new context for a product support conversation
    const contextId = await session.createConversationContext(
      'Product Support - Database Performance',
      {
        customer: 'Globex Corporation',
        product: 'Enterprise Database',
        severity: 'Medium',
        supportAgent: 'AI Assistant'
      }
    );
    
    // 2. First message in the conversation
    const response1 = await session.sendMessage(
      contextId,
      "I'm experiencing slow query performance on our database cluster after the latest update.",
      { storeInsights: true }
    );
    console.log('Response 1:', response1.message);
    
    // Follow-up message in the same context
    const response2 = await session.sendMessage(
      contextId,
      "Yes, we've already checked the indexes and they seem to be properly configured.",
      { storeInsights: true }
    );
    console.log('Response 2:', response2.message);
    
    // 3. Get information about the context
    const contextInfo = await session.getContextInfo(contextId);
    console.log('Context Information:', contextInfo);
    
    // 4. Generate and display conversation summary
    const summary = await session.generateContextSummary(contextId);
    console.log('Conversation Summary:', summary);
    
    // 5. Archive the context when done
    const archiveResult = await session.archiveContext(contextId);
    console.log('Archive Result:', archiveResult);
    
    // 6. Handle any errors gracefully
  } catch (error) {
    console.error('Error in context session demonstration:', error);
  }
}

demonstrateContextSession();

U prethodnom kodu smo:

  1. Kreirali root context za razgovor o podršci proizvoda funkcijom createConversationContext. U ovom slučaju, context se odnosi na probleme s performansama baze podataka.

  2. Poslali više poruka unutar tog contexta, omogućujući modelu održavanje stanja funkcijom sendMessage. Poruke se odnose na sporu izvedbu upita i konfiguraciju indeksa.

  3. Ažurirali context relevantnim metapodacima na temelju razgovora.

  4. Generirali sažetak razgovora i pohranili ga u metapodatke contexta funkcijom generateContextSummary.

  5. Arhivirali context kada je razgovor završen funkcijom archiveContext.

  6. Rukovali pogreškama na način koji osigurava stabilnost.

Root context za višekratnu pomoć

U ovom primjeru kreirat ćemo root context za sesiju višekratne pomoći, pokazujući kako održavati stanje kroz više interakcija.

Implementacija u Pythonu

# Python Example: Root Context for Multi-Turn Assistance
import asyncio
from datetime import datetime
from mcp_client import McpClient, RootContextManager

class AssistantSession:
    def __init__(self, server_url, api_key=None):
        self.client = McpClient(server_url=server_url, api_key=api_key)
        self.context_manager = RootContextManager(self.client)
    
    async def create_session(self, name, user_info=None):
        """Create a new root context for an assistant session"""
        metadata = {
            "session_type": "assistant",
            "created_at": datetime.now().isoformat(),
        }
        
        # Add user information if provided
        if user_info:
            metadata.update({f"user_{k}": v for k, v in user_info.items()})
            
        # Create the root context
        context = await self.context_manager.create_root_context(name, metadata)
        return context.id
    
    async def send_message(self, context_id, message, tools=None):
        """Send a message within a root context"""
        # Create options with context ID
        options = {
            "root_context_id": context_id
        }
        
        # Add tools if specified
        if tools:
            options["allowed_tools"] = tools
        
        # Send the prompt within the context
        response = await self.client.send_prompt(message, options)
        
        # Update context metadata with conversation progress
        await self.context_manager.update_context_metadata(
            context_id,
            {
                f"message_{datetime.now().timestamp()}": message[:50] + "...",
                "last_interaction": datetime.now().isoformat()
            }
        )
        
        return response
    
    async def get_conversation_history(self, context_id):
        """Retrieve conversation history from a context"""
        context_info = await self.context_manager.get_context_info(context_id)
        messages = await self.client.get_context_messages(context_id)
        
        return {
            "context_info": context_info,
            "messages": messages
        }
    
    async def end_session(self, context_id):
        """End an assistant session by archiving the context"""
        # Generate a summary prompt first
        summary_response = await self.client.send_prompt(
            "Please summarize our conversation and any key points or decisions made.",
            {"root_context_id": context_id}
        )
        
        # Store summary in metadata
        await self.context_manager.update_context_metadata(
            context_id,
            {
                "summary": summary_response.generated_text,
                "ended_at": datetime.now().isoformat(),
                "status": "completed"
            }
        )
        
        # Archive the context
        await self.context_manager.archive_context(context_id)
        
        return {
            "status": "completed",
            "summary": summary_response.generated_text
        }

# Example usage
async def demo_assistant_session():
    assistant = AssistantSession("https://mcp-server-example.com")
    
    # 1. Create session
    context_id = await assistant.create_session(
        "Technical Support Session",
        {"name": "Alex", "technical_level": "advanced", "product": "Cloud Services"}
    )
    print(f"Created session with context ID: {context_id}")
    
    # 2. First interaction
    response1 = await assistant.send_message(
        context_id, 
        "I'm having trouble with the auto-scaling feature in your cloud platform.",
        ["documentation_search", "diagnostic_tool"]
    )
    print(f"Response 1: {response1.generated_text}")
    
    # Second interaction in the same context
    response2 = await assistant.send_message(
        context_id,
        "Yes, I've already checked the configuration settings you mentioned, but it's still not working."
    )
    print(f"Response 2: {response2.generated_text}")
    
    # 3. Get history
    history = await assistant.get_conversation_history(context_id)
    print(f"Session has {len(history['messages'])} messages")
    
    # 4. End session
    end_result = await assistant.end_session(context_id)
    print(f"Session ended with summary: {end_result['summary']}")

if __name__ == "__main__":
    asyncio.run(demo_assistant_session())

U prethodnom kodu smo:

  1. Kreirali root context za sesiju tehničke podrške funkcijom create_session. Context uključuje korisničke podatke poput imena i tehničke razine.

  2. Poslali više poruka unutar tog contexta, omogućujući modelu održavanje stanja funkcijom send_message. Poruke se odnose na probleme s funkcijom automatskog skaliranja.

  3. Dohvatili povijest razgovora koristeći funkciju get_conversation_history, koja pruža informacije o contextu i porukama.

  4. Završili sesiju arhiviranjem contexta i generiranjem sažetka funkcijom end_session. Sažetak obuhvaća ključne točke iz razgovora.

Najbolje prakse za root context

Evo nekoliko najboljih praksi za učinkovito upravljanje root contextima:

  • Kreirajte fokusirane contexte: Kreirajte zasebne root contexte za različite svrhe razgovora ili domene radi jasnoće.

  • Postavite politike isteka: Implementirajte politike za arhiviranje ili brisanje starih contexta radi upravljanja prostorom i usklađenosti s pravilima čuvanja podataka.

  • Pohranjujte relevantne metapodatke: Koristite metapodatke contexta za pohranu važnih informacija o razgovoru koje bi mogle biti korisne kasnije.

  • Dosljedno koristite ID contexta: Nakon što je context kreiran, dosljedno koristite njegov ID za sve povezane zahtjeve radi kontinuiteta.

  • Generirajte sažetke: Kada context postane velik, razmotrite generiranje sažetaka koji hvataju bitne informacije uz upravljanje veličinom contexta.

  • Implementirajte kontrolu pristupa: Za sustave s više korisnika, osigurajte pravilnu kontrolu pristupa radi privatnosti i sigurnosti razgovora.

  • Rukujte ograničenjima contexta: Budite svjesni ograničenja veličine contexta i implementirajte strategije za upravljanje vrlo dugim razgovorima.

  • Arhivirajte po završetku: Arhivirajte contexte kada su razgovori završeni kako biste oslobodili resurse, a pritom sačuvali povijest razgovora.

Što slijedi

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