I'm adding a practical example of an MCP with HTTP streaming: both client and server. Those are useful for testing real-world applications.
51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
// Copyright 2025 The Go MCP SDK Authors. All rights reserved.
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// Use of this source code is governed by an MIT-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"log"
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"net/http"
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"time"
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)
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// responseWriter wraps http.ResponseWriter to capture the status code.
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type responseWriter struct {
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http.ResponseWriter
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statusCode int
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}
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func (rw *responseWriter) WriteHeader(code int) {
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rw.statusCode = code
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rw.ResponseWriter.WriteHeader(code)
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}
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func loggingHandler(handler http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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start := time.Now()
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// Create a response writer wrapper to capture status code.
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wrapped := &responseWriter{ResponseWriter: w, statusCode: http.StatusOK}
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// Log request details.
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log.Printf("[REQUEST] %s | %s | %s %s",
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start.Format(time.RFC3339),
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r.RemoteAddr,
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r.Method,
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r.URL.Path)
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// Call the actual handler.
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handler.ServeHTTP(wrapped, r)
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// Log response details.
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duration := time.Since(start)
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log.Printf("[RESPONSE] %s | %s | %s %s | Status: %d | Duration: %v",
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time.Now().Format(time.RFC3339),
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r.RemoteAddr,
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r.Method,
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r.URL.Path,
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wrapped.statusCode,
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duration)
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})
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}
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