Deze les gaat over hoe je betrokken raakt bij de MCP-community, bijdraagt aan het MCP-ecosysteem en de beste werkwijzen volgt voor gezamenlijke ontwikkeling. Begrijpen hoe je deelneemt aan open-source MCP-projecten is essentieel voor iedereen die de toekomst van deze technologie wil vormgeven.
Aan het einde van deze les kun je:
- De structuur van de MCP-community en het ecosysteem begrijpen
- Effectief deelnemen aan MCP-communityforums en discussies
- Bijdragen aan MCP open-source repositories
- Eigen MCP-tools maken en delen
- Beste praktijken volgen voor MCP-ontwikkeling en samenwerking
Het MCP-ecosysteem bestaat uit verschillende componenten en deelnemers die samenwerken om het protocol verder te ontwikkelen.
- Core Protocol Maintainers: Microsoft en andere organisaties die verantwoordelijk zijn voor het onderhouden van de kern MCP-specificaties en referentie-implementaties
- Tool Developers: Individuen en teams die MCP-tools ontwikkelen
- Integration Providers: Bedrijven die MCP integreren in hun producten en diensten
- End Users: Ontwikkelaars en organisaties die MCP gebruiken in hun toepassingen
- Contributors: Communityleden die code, documentatie of andere middelen bijdragen
- Taal-specifieke SDK-implementaties
- Serverimplementaties en toolbibliotheken
- Blogposts en tutorials
- Communityforums en discussies op sociale media
Het MCP-ecosysteem verwelkomt verschillende soorten bijdragen:
-
Codebijdragen:
- Verbeteringen van het core protocol
- Bugfixes
- Toolimplementaties
- Client/serverbibliotheken in diverse talen
-
Documentatie:
- Bestaande documentatie verbeteren
- Tutorials en handleidingen maken
- Documentatie vertalen
- Voorbeelden en voorbeeldapplicaties creëren
-
Community Support:
- Vragen beantwoorden op forums
- Testen en problemen rapporteren
- Community-evenementen organiseren
- Nieuwe bijdragers begeleiden
Om bij te dragen aan het core MCP-protocol of officiële implementaties:
// Example contribution to MCP protocol: Adding support for binary data streams
// This would be part of a pull request to the core MCP repository
namespace Microsoft.Mcp.Protocol
{
// New interface for binary data handling in MCP
public interface IBinaryDataHandler
{
/// <summary>
/// Processes a binary data stream
/// </summary>
/// <param name="binaryDataStream">The binary data stream to process</param>
/// <param name="metadata">Metadata about the binary data</param>
/// <returns>A result indicating the processing outcome</returns>
Task<BinaryProcessingResult> ProcessBinaryDataAsync(
Stream binaryDataStream,
BinaryDataMetadata metadata);
}
// New metadata class for binary data
public class BinaryDataMetadata
{
/// <summary>
/// MIME type of the binary data
/// </summary>
public string ContentType { get; set; }
/// <summary>
/// Size of the binary data in bytes
/// </summary>
public long ContentLength { get; set; }
/// <summary>
/// Optional filename for the binary data
/// </summary>
public string Filename { get; set; }
/// <summary>
/// Additional metadata as key-value pairs
/// </summary>
public IDictionary<string, string> Properties { get; set; } = new Dictionary<string, string>();
}
// Result class for binary processing
public class BinaryProcessingResult
{
/// <summary>
/// Whether the processing was successful
/// </summary>
public bool Success { get; set; }
/// <summary>
/// Any error message if processing failed
/// </summary>
public string ErrorMessage { get; set; }
/// <summary>
/// Results of the processing as key-value pairs
/// </summary>
public IDictionary<string, object> Results { get; set; } = new Dictionary<string, object>();
}
}package com.mcp.tools;
// Original code with bug
public class ToolParameterValidator {
public boolean validateParameters(Map<String, Object> parameters, Object schema) {
if (schema == null) {
return true; // No schema means no validation needed
}
// Bug: This doesn't properly validate nested objects
// Original implementation:
for (Map.Entry<String, Object> entry : parameters.entrySet()) {
String key = entry.getKey();
Object value = entry.getValue();
if (!validateSingleParameter(key, value, schema)) {
return false;
}
}
return true;
}
// Other methods...
}
// Fixed implementation in a contribution
public class ToolParameterValidator {
public boolean validateParameters(Map<String, Object> parameters, Object schema) {
if (schema == null) {
return true; // No schema means no validation needed
}
// Get required properties from schema
List<String> required = new ArrayList<>();
if (schema instanceof Map) {
Map<String, Object> schemaMap = (Map<String, Object>) schema;
if (schemaMap.containsKey("required") && schemaMap.get("required") instanceof List) {
required = (List<String>) schemaMap.get("required");
}
}
// Check for required properties
for (String requiredProp : required) {
if (!parameters.containsKey(requiredProp)) {
return false; // Missing required property
}
}
// Validate each parameter against schema
for (Map.Entry<String, Object> entry : parameters.entrySet()) {
String key = entry.getKey();
Object value = entry.getValue();
if (!validateSingleParameter(key, value, schema)) {
return false;
}
// Handle nested objects recursively
if (value instanceof Map && getPropertySchema(key, schema) instanceof Map) {
Map<String, Object> nestedParams = (Map<String, Object>) value;
Object nestedSchema = getPropertySchema(key, schema);
if (!validateParameters(nestedParams, nestedSchema)) {
return false;
}
}
}
return true;
}
// Helper method to get schema for a specific property
private Object getPropertySchema(String propertyName, Object schema) {
// Implementation details
return null; // Placeholder
}
// Other methods...
}# Example contribution: A CSV data processing tool for the MCP standard library
from mcp_tools import Tool, ToolRequest, ToolResponse, ToolExecutionException
import pandas as pd
import io
import json
from typing import Dict, Any, List, Optional
class CsvProcessingTool(Tool):
"""
Tool for processing and analyzing CSV data.
This tool allows models to extract information from CSV files,
run basic analysis, and convert data between formats.
"""
def get_name(self):
return "csvProcessor"
def get_description(self):
return "Processes and analyzes CSV data"
def get_schema(self):
return {
"type": "object",
"properties": {
"csvData": {
"type": "string",
"description": "CSV data as a string"
},
"csvUrl": {
"type": "string",
"description": "URL to a CSV file (alternative to csvData)"
},
"operation": {
"type": "string",
"enum": ["summary", "filter", "transform", "convert"],
"description": "Operation to perform on the CSV data"
},
"filterColumn": {
"type": "string",
"description": "Column to filter by (for filter operation)"
},
"filterValue": {
"type": "string",
"description": "Value to filter for (for filter operation)"
},
"outputFormat": {
"type": "string",
"enum": ["json", "csv", "markdown"],
"default": "json",
"description": "Output format for the processed data"
}
},
"oneOf": [
{"required": ["csvData", "operation"]},
{"required": ["csvUrl", "operation"]}
]
}
async def execute_async(self, request: ToolRequest) -> ToolResponse:
try:
# Extract parameters
operation = request.parameters.get("operation")
output_format = request.parameters.get("outputFormat", "json")
# Get CSV data from either direct data or URL
df = await self._get_dataframe(request)
# Process based on requested operation
result = {}
if operation == "summary":
result = self._generate_summary(df)
elif operation == "filter":
column = request.parameters.get("filterColumn")
value = request.parameters.get("filterValue")
if not column:
raise ToolExecutionException("filterColumn is required for filter operation")
result = self._filter_data(df, column, value)
elif operation == "transform":
result = self._transform_data(df, request.parameters)
elif operation == "convert":
result = self._convert_format(df, output_format)
else:
raise ToolExecutionException(f"Unknown operation: {operation}")
return ToolResponse(result=result)
except Exception as e:
raise ToolExecutionException(f"CSV processing failed: {str(e)}")
async def _get_dataframe(self, request: ToolRequest) -> pd.DataFrame:
"""Gets a pandas DataFrame from either CSV data or URL"""
if "csvData" in request.parameters:
csv_data = request.parameters.get("csvData")
return pd.read_csv(io.StringIO(csv_data))
elif "csvUrl" in request.parameters:
csv_url = request.parameters.get("csvUrl")
return pd.read_csv(csv_url)
else:
raise ToolExecutionException("Either csvData or csvUrl must be provided")
def _generate_summary(self, df: pd.DataFrame) -> Dict[str, Any]:
"""Generates a summary of the CSV data"""
return {
"columns": df.columns.tolist(),
"rowCount": len(df),
"columnCount": len(df.columns),
"numericColumns": df.select_dtypes(include=['number']).columns.tolist(),
"categoricalColumns": df.select_dtypes(include=['object']).columns.tolist(),
"sampleRows": json.loads(df.head(5).to_json(orient="records")),
"statistics": json.loads(df.describe().to_json())
}
def _filter_data(self, df: pd.DataFrame, column: str, value: str) -> Dict[str, Any]:
"""Filters the DataFrame by a column value"""
if column not in df.columns:
raise ToolExecutionException(f"Column '{column}' not found")
filtered_df = df[df[column].astype(str).str.contains(value)]
return {
"originalRowCount": len(df),
"filteredRowCount": len(filtered_df),
"data": json.loads(filtered_df.to_json(orient="records"))
}
def _transform_data(self, df: pd.DataFrame, params: Dict[str, Any]) -> Dict[str, Any]:
"""Transforms the data based on parameters"""
# Implementation would include various transformations
return {
"status": "success",
"message": "Transformation applied"
}
def _convert_format(self, df: pd.DataFrame, format: str) -> Dict[str, Any]:
"""Converts the DataFrame to different formats"""
if format == "json":
return {
"data": json.loads(df.to_json(orient="records")),
"format": "json"
}
elif format == "csv":
return {
"data": df.to_csv(index=False),
"format": "csv"
}
elif format == "markdown":
return {
"data": df.to_markdown(),
"format": "markdown"
}
else:
raise ToolExecutionException(f"Unsupported output format: {format}")Om succesvol bij te dragen aan MCP-projecten:
- Begin Klein: Start met documentatie, bugfixes of kleine verbeteringen
- Volg de Stijlregels: Houd je aan de codeerstijl en conventies van het project
- Schrijf Tests: Voeg unittests toe voor je codebijdragen
- Documenteer Je Werk: Voeg duidelijke documentatie toe voor nieuwe functies of wijzigingen
- Dien Gerichte PR’s In: Houd pull requests gericht op één probleem of functie
- Ga Om Met Feedback: Reageer actief op feedback over je bijdragen
# Clone the repository
git clone https://github.com/microsoft/mcp-for-beginners.git
cd mcp-for-beginners
# Create a new branch for your contribution
git checkout -b feature/my-contribution
# Make your changes
# ...
# Run tests to ensure your changes don't break existing functionality
dotnet test # For .NET
mvn test # For Java
pytest # For Python
# Commit your changes with a descriptive message
git commit -am "Add support for binary data streams in the protocol"
# Push your branch to your fork
git push origin feature/my-contribution
# Create a pull request from your branch to the main repository
# Then engage with feedback and iterate on your PR as neededEen van de meest waardevolle manieren om bij te dragen aan het MCP-ecosysteem is door eigen tools te maken en te delen.
// Create a new .NET library project
// dotnet new classlib -n McpFinanceTools
using Microsoft.Mcp.Tools;
using System.Threading.Tasks;
using System.Net.Http;
using System.Text.Json;
namespace McpFinanceTools
{
// Stock quote tool
public class StockQuoteTool : IMcpTool
{
private readonly HttpClient _httpClient;
public StockQuoteTool(HttpClient httpClient = null)
{
_httpClient = httpClient ?? new HttpClient();
}
public string Name => "stockQuote";
public string Description => "Gets current stock quotes for specified symbols";
public object GetSchema()
{
return new {
type = "object",
properties = new {
symbol = new {
type = "string",
description = "Stock symbol (e.g., MSFT, AAPL)"
},
includeHistory = new {
type = "boolean",
description = "Whether to include historical data",
default = false
}
},
required = new[] { "symbol" }
};
}
public async Task<ToolResponse> ExecuteAsync(ToolRequest request)
{
// Extract parameters
string symbol = request.Parameters.GetProperty("symbol").GetString();
bool includeHistory = false;
if (request.Parameters.TryGetProperty("includeHistory", out var historyProp))
{
includeHistory = historyProp.GetBoolean();
}
// Call external API (example)
var quoteResult = await GetStockQuoteAsync(symbol);
// Add historical data if requested
if (includeHistory)
{
var historyData = await GetStockHistoryAsync(symbol);
quoteResult.Add("history", historyData);
}
// Return formatted result
return new ToolResponse {
Result = JsonSerializer.SerializeToElement(quoteResult)
};
}
private async Task<Dictionary<string, object>> GetStockQuoteAsync(string symbol)
{
// Implementation would call a real stock API
// This is a simplified example
return new Dictionary<string, object>
{
["symbol"] = symbol,
["price"] = 123.45,
["change"] = 2.5,
["percentChange"] = 1.2,
["lastUpdated"] = DateTime.UtcNow
};
}
private async Task<object> GetStockHistoryAsync(string symbol)
{
// Implementation would get historical data
// Simplified example
return new[]
{
new { date = DateTime.Now.AddDays(-7).Date, price = 120.25 },
new { date = DateTime.Now.AddDays(-6).Date, price = 122.50 },
new { date = DateTime.Now.AddDays(-5).Date, price = 121.75 }
// More historical data...
};
}
}
}
// Create package and publish to NuGet
// dotnet pack -c Release
// dotnet nuget push bin/Release/McpFinanceTools.1.0.0.nupkg -s https://api.nuget.org/v3/index.json -k YOUR_API_KEY// pom.xml configuration for a shareable MCP tool package
<!--
<project>
<groupId>com.example</groupId>
<artifactId>mcp-weather-tools</artifactId>
<version>1.0.0</version>
<dependencies>
<dependency>
<groupId>com.mcp</groupId>
<artifactId>mcp-server</artifactId>
<version>1.0.0</version>
</dependency>
</dependencies>
<distributionManagement>
<repository>
<id>github</id>
<name>GitHub Packages</name>
<url>https://maven.pkg.github.com/username/mcp-weather-tools</url>
</repository>
</distributionManagement>
</project>
-->
package com.example.mcp.weather;
import com.mcp.tools.Tool;
import com.mcp.tools.ToolRequest;
import com.mcp.tools.ToolResponse;
import com.mcp.tools.ToolExecutionException;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
public class WeatherForecastTool implements Tool {
private final HttpClient httpClient;
private final String apiKey;
public WeatherForecastTool(String apiKey) {
this.httpClient = HttpClient.newHttpClient();
this.apiKey = apiKey;
}
@Override
public String getName() {
return "weatherForecast";
}
@Override
public String getDescription() {
return "Gets weather forecast for a specified location";
}
@Override
public Object getSchema() {
Map<String, Object> schema = new HashMap<>();
// Schema definition...
return schema;
}
@Override
public ToolResponse execute(ToolRequest request) {
try {
String location = request.getParameters().get("location").asText();
int days = request.getParameters().has("days") ?
request.getParameters().get("days").asInt() : 3;
// Call weather API
Map<String, Object> forecast = getForecast(location, days);
// Build response
return new ToolResponse.Builder()
.setResult(forecast)
.build();
} catch (Exception ex) {
throw new ToolExecutionException("Weather forecast failed: " + ex.getMessage(), ex);
}
}
private Map<String, Object> getForecast(String location, int days) {
// Implementation would call weather API
// Simplified example
Map<String, Object> result = new HashMap<>();
// Add forecast data...
return result;
}
}
// Build and publish using Maven
// mvn clean package
// mvn deploy# Directory structure for a PyPI package:
# mcp_nlp_tools/
# ├── LICENSE
# ├── README.md
# ├── setup.py
# ├── mcp_nlp_tools/
# │ ├── __init__.py
# │ ├── sentiment_tool.py
# │ └── translation_tool.py
# Example setup.py
"""
from setuptools import setup, find_packages
setup(
name="mcp_nlp_tools",
version="0.1.0",
packages=find_packages(),
install_requires=[
"mcp_server>=1.0.0",
"transformers>=4.0.0",
"torch>=1.8.0"
],
author="Your Name",
author_email="your.email@example.com",
description="MCP tools for natural language processing tasks",
long_description=open("README.md").read(),
long_description_content_type="text/markdown",
url="https://github.com/username/mcp_nlp_tools",
classifiers=[
"Programming Language :: Python :: 3",
"License :: OSI Approved :: MIT License",
"Operating System :: OS Independent",
],
python_requires=">=3.8",
)
"""
# Example NLP tool implementation (sentiment_tool.py)
from mcp_tools import Tool, ToolRequest, ToolResponse, ToolExecutionException
from transformers import pipeline
import torch
class SentimentAnalysisTool(Tool):
"""MCP tool for sentiment analysis of text"""
def __init__(self, model_name="distilbert-base-uncased-finetuned-sst-2-english"):
# Load the sentiment analysis model
self.sentiment_analyzer = pipeline("sentiment-analysis", model=model_name)
def get_name(self):
return "sentimentAnalysis"
def get_description(self):
return "Analyzes the sentiment of text, classifying it as positive or negative"
def get_schema(self):
return {
"type": "object",
"properties": {
"text": {
"type": "string",
"description": "The text to analyze for sentiment"
},
"includeScore": {
"type": "boolean",
"description": "Whether to include confidence scores",
"default": True
}
},
"required": ["text"]
}
async def execute_async(self, request: ToolRequest) -> ToolResponse:
try:
# Extract parameters
text = request.parameters.get("text")
include_score = request.parameters.get("includeScore", True)
# Analyze sentiment
sentiment_result = self.sentiment_analyzer(text)[0]
# Format result
result = {
"sentiment": sentiment_result["label"],
"text": text
}
if include_score:
result["score"] = sentiment_result["score"]
# Return result
return ToolResponse(result=result)
except Exception as e:
raise ToolExecutionException(f"Sentiment analysis failed: {str(e)}")
# To publish:
# python setup.py sdist bdist_wheel
# python -m twine upload dist/*Bij het delen van MCP-tools met de community:
-
Volledige Documentatie:
- Documenteer het doel, gebruik en voorbeelden
- Leg parameters en returnwaarden uit
- Documenteer eventuele externe afhankelijkheden
-
Foutafhandeling:
- Implementeer robuuste foutafhandeling
- Geef nuttige foutmeldingen
- Handel randgevallen netjes af
-
Prestaties:
- Optimaliseer voor snelheid en resourcegebruik
- Implementeer caching waar passend
- Houd rekening met schaalbaarheid
-
Beveiliging:
- Gebruik veilige API-sleutels en authenticatie
- Valideer en ontsmet invoer
- Implementeer rate limiting voor externe API-aanroepen
-
Testen:
- Zorg voor uitgebreide testdekking
- Test met verschillende invoertypes en randgevallen
- Documenteer testprocedures
Effectieve samenwerking is de sleutel tot een bloeiend MCP-ecosysteem.
- GitHub Issues en Discussions
- Microsoft Tech Community
- Discord- en Slack-kanalen
- Stack Overflow (tag:
model-context-protocolormcp)
Bij het reviewen van MCP-bijdragen:
- Duidelijkheid: Is de code helder en goed gedocumenteerd?
- Correctheid: Werkt het zoals verwacht?
- Consistentie: Volgt het de projectconventies?
- Volledigheid: Zijn tests en documentatie inbegrepen?
- Beveiliging: Zijn er beveiligingsproblemen?
Bij ontwikkeling voor MCP:
- Protocolversiebeheer: Houd je aan de MCP-protocolversie die je tool ondersteunt
- Clientcompatibiliteit: Houd rekening met backward compatibility
- Servercompatibiliteit: Volg richtlijnen voor serverimplementaties
- Breaking Changes: Documenteer duidelijk eventuele breaking changes
Een belangrijke communitybijdrage kan het ontwikkelen van een openbaar register voor MCP-tools zijn.
# Example schema for a community tool registry API
from fastapi import FastAPI, HTTPException, Depends
from pydantic import BaseModel, Field, HttpUrl
from typing import List, Optional
import datetime
import uuid
# Models for the tool registry
class ToolSchema(BaseModel):
"""JSON Schema for a tool"""
type: str
properties: dict
required: List[str] = []
class ToolRegistration(BaseModel):
"""Information for registering a tool"""
name: str = Field(..., description="Unique name for the tool")
description: str = Field(..., description="Description of what the tool does")
version: str = Field(..., description="Semantic version of the tool")
schema: ToolSchema = Field(..., description="JSON Schema for tool parameters")
author: str = Field(..., description="Author of the tool")
repository: Optional[HttpUrl] = Field(None, description="Repository URL")
documentation: Optional[HttpUrl] = Field(None, description="Documentation URL")
package: Optional[HttpUrl] = Field(None, description="Package URL")
tags: List[str] = Field(default_factory=list, description="Tags for categorization")
examples: List[dict] = Field(default_factory=list, description="Example usage")
class Tool(ToolRegistration):
"""Tool with registry metadata"""
id: uuid.UUID = Field(default_factory=uuid.uuid4)
created_at: datetime.datetime = Field(default_factory=datetime.datetime.now)
updated_at: datetime.datetime = Field(default_factory=datetime.datetime.now)
downloads: int = Field(default=0)
rating: float = Field(default=0.0)
ratings_count: int = Field(default=0)
# FastAPI application for the registry
app = FastAPI(title="MCP Tool Registry")
# In-memory database for this example
tools_db = {}
@app.post("/tools", response_model=Tool)
async def register_tool(tool: ToolRegistration):
"""Register a new tool in the registry"""
if tool.name in tools_db:
raise HTTPException(status_code=400, detail=f"Tool '{tool.name}' already exists")
new_tool = Tool(**tool.dict())
tools_db[tool.name] = new_tool
return new_tool
@app.get("/tools", response_model=List[Tool])
async def list_tools(tag: Optional[str] = None):
"""List all registered tools, optionally filtered by tag"""
if tag:
return [tool for tool in tools_db.values() if tag in tool.tags]
return list(tools_db.values())
@app.get("/tools/{tool_name}", response_model=Tool)
async def get_tool(tool_name: str):
"""Get information about a specific tool"""
if tool_name not in tools_db:
raise HTTPException(status_code=404, detail=f"Tool '{tool_name}' not found")
return tools_db[tool_name]
@app.delete("/tools/{tool_name}")
async def delete_tool(tool_name: str):
"""Delete a tool from the registry"""
if tool_name not in tools_db:
raise HTTPException(status_code=404, detail=f"Tool '{tool_name}' not found")
del tools_db[tool_name]
return {"message": f"Tool '{tool_name}' deleted"}- De MCP-community is divers en staat open voor allerlei soorten bijdragen
- Bijdragen aan MCP kan variëren van core protocol verbeteringen tot custom tools
- Het volgen van richtlijnen vergroot de kans dat je PR wordt geaccepteerd
- Eigen MCP-tools maken en delen is een waardevolle manier om het ecosysteem te versterken
- Samenwerking in de community is essentieel voor groei en verbetering van MCP
- Bepaal een gebied binnen het MCP-ecosysteem waar jij een bijdrage kunt leveren op basis van je vaardigheden en interesses
- Fork de MCP-repository en zet een lokale ontwikkelomgeving op
- Maak een kleine verbetering, bugfix of tool die de community ten goede komt
- Documenteer je bijdrage met passende tests en documentatie
- Dien een pull request in bij de juiste repository
Volgende: Lessons from Early Adoption
Disclaimer:
Dit document is vertaald met behulp van de AI-vertalingsservice Co-op Translator. Hoewel we streven naar nauwkeurigheid, dient u er rekening mee te houden dat geautomatiseerde vertalingen fouten of onnauwkeurigheden kunnen bevatten. Het oorspronkelijke document in de oorspronkelijke taal dient als de gezaghebbende bron te worden beschouwd. Voor cruciale informatie wordt professionele menselijke vertaling aanbevolen. Wij zijn niet aansprakelijk voor eventuele misverstanden of verkeerde interpretaties die voortvloeien uit het gebruik van deze vertaling.