b615fa49b1Add a benchmark using the streamable HTTP handler, and a more realistic input/output signature. Also expose this handler as an example (both a go example and a server in the examples/ directory).
66 lines
1.9 KiB
Go
66 lines
1.9 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 mcp_test
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import (
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"context"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/google/jsonschema-go/jsonschema"
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"github.com/modelcontextprotocol/go-sdk/mcp"
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)
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func BenchmarkStreamableServing(b *testing.B) {
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// This benchmark measures how fast we can handle a single tool on a
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// streamable server, including tool validation and stream management.
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customSchemas := map[any]*jsonschema.Schema{
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Probability(0): {Type: "number", Minimum: jsonschema.Ptr(0.0), Maximum: jsonschema.Ptr(1.0)},
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WeatherType(""): {Type: "string", Enum: []any{Sunny, PartlyCloudy, Cloudy, Rainy, Snowy}},
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}
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opts := &jsonschema.ForOptions{TypeSchemas: customSchemas}
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in, err := jsonschema.For[WeatherInput](opts)
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if err != nil {
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b.Fatal(err)
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}
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out, err := jsonschema.For[WeatherOutput](opts)
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if err != nil {
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b.Fatal(err)
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}
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server := mcp.NewServer(&mcp.Implementation{Name: "server", Version: "v0.0.1"}, nil)
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mcp.AddTool(server, &mcp.Tool{
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Name: "weather",
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InputSchema: in,
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OutputSchema: out,
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}, WeatherTool)
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handler := mcp.NewStreamableHTTPHandler(func(r *http.Request) *mcp.Server {
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return server
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}, &mcp.StreamableHTTPOptions{JSONResponse: true})
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httpServer := httptest.NewServer(handler)
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defer httpServer.Close()
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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session, err := mcp.NewClient(testImpl, nil).Connect(ctx, &mcp.StreamableClientTransport{Endpoint: httpServer.URL}, nil)
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if err != nil {
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b.Fatal(err)
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}
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defer session.Close()
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b.ResetTimer()
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for range b.N {
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if _, err := session.CallTool(ctx, &mcp.CallToolParams{
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Name: "weather",
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Arguments: WeatherInput{
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Location: Location{Name: "somewhere"},
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Days: 7,
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},
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}); err != nil {
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b.Errorf("CallTool failed: %v", err)
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}
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}
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}
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