6c6243c0b0Change the name and version arguments to NewClient and NewServer to a `*Implementation`, to future-proof against the spec. Fixes #109.
57 lines
1.4 KiB
Go
57 lines
1.4 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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"context"
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"flag"
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"log"
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"net/http"
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"github.com/modelcontextprotocol/go-sdk/mcp"
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)
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var httpAddr = flag.String("http", "", "use SSE HTTP at this address")
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type SayHiParams struct {
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Name string `json:"name"`
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}
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func SayHi(ctx context.Context, cc *mcp.ServerSession, params *mcp.CallToolParamsFor[SayHiParams]) (*mcp.CallToolResultFor[any], error) {
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return &mcp.CallToolResultFor[any]{
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Content: []mcp.Content{
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&mcp.TextContent{Text: "Hi " + params.Arguments.Name},
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},
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}, nil
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}
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func main() {
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flag.Parse()
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if httpAddr == nil || *httpAddr == "" {
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log.Fatal("http address not set")
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}
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server1 := mcp.NewServer(&mcp.Implementation{Name: "greeter1"}, nil)
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mcp.AddTool(server1, &mcp.Tool{Name: "greet1", Description: "say hi"}, SayHi)
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server2 := mcp.NewServer(&mcp.Implementation{Name: "greeter2"}, nil)
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mcp.AddTool(server2, &mcp.Tool{Name: "greet2", Description: "say hello"}, SayHi)
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log.Printf("MCP servers serving at %s", *httpAddr)
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handler := mcp.NewSSEHandler(func(request *http.Request) *mcp.Server {
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url := request.URL.Path
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log.Printf("Handling request for URL %s\n", url)
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switch url {
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case "/greeter1":
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return server1
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case "/greeter2":
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return server2
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default:
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return nil
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}
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})
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http.ListenAndServe(*httpAddr, handler)
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}
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