347a1a0078
It's too confusing that you send server requests through the Client, and send client requests through the ClientConnection. Rename ClientConnection to ServerConnection, so that the types on the server side of the control diagram start with 'Server'. Change-Id: Idfd27af464a9296a2341cd23b2075cd9d0eb6b45 Reviewed-on: https://go-review.googlesource.com/c/tools/+/670538 LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Auto-Submit: Robert Findley <rfindley@google.com> Reviewed-by: Jonathan Amsterdam <jba@google.com>
59 lines
1.6 KiB
Go
59 lines
1.6 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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"fmt"
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"net/http"
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"os"
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"github.com/modelcontextprotocol/go-sdk/mcp"
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"github.com/modelcontextprotocol/go-sdk/mcp/protocol"
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)
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var httpAddr = flag.String("http", "", "if set, use SSE HTTP at this address, instead of stdin/stdout")
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type HiParams struct {
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Name string `json:"name"`
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}
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func SayHi(ctx context.Context, cc *mcp.ServerConnection, params *HiParams) ([]mcp.Content, error) {
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return []mcp.Content{
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mcp.TextContent{Text: "Hi " + params.Name},
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}, nil
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}
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func PromptHi(ctx context.Context, cc *mcp.ServerConnection, params *HiParams) (*protocol.GetPromptResult, error) {
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return &protocol.GetPromptResult{
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Description: "Code review prompt",
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Messages: []protocol.PromptMessage{
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{Role: "user", Content: mcp.TextContent{Text: "Say hi to " + params.Name}.ToWire()},
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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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server := mcp.NewServer("greeter", "v0.0.1", nil)
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server.AddTools(mcp.NewTool("greet", "say hi", SayHi, mcp.Input(
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mcp.Property("name", mcp.Description("the name to say hi to")),
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)))
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server.AddPrompts(mcp.NewPrompt("greet", "", PromptHi))
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if *httpAddr != "" {
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handler := mcp.NewSSEHandler(func(*http.Request) *mcp.Server {
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return server
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})
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http.ListenAndServe(*httpAddr, handler)
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} else {
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opts := &mcp.ConnectionOptions{Logger: os.Stderr}
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if err := server.Run(context.Background(), mcp.NewStdIOTransport(), opts); err != nil {
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fmt.Fprintf(os.Stderr, "Server failed: %v", err)
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}
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}
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}
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