ac828d5a82
Bring the Server implementation up to date with the spec by renaming ServerConnection to ServerSession. Also update variable names, which were in various states of disarray from the multiple renamings of this type. Change-Id: I4aec883db6d0500fb91e6daa51b702614877cf8a Reviewed-on: https://go-review.googlesource.com/c/tools/+/672655 Auto-Submit: Robert Findley <rfindley@google.com> TryBot-Bypass: Robert Findley <rfindley@google.com> Commit-Queue: Robert Findley <rfindley@google.com> Reviewed-by: Jonathan Amsterdam <jba@google.com>
58 lines
1.5 KiB
Go
58 lines
1.5 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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)
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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.ServerSession, params *HiParams) ([]*mcp.Content, error) {
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return []*mcp.Content{
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mcp.NewTextContent("Hi " + params.Name),
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}, nil
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}
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func PromptHi(ctx context.Context, cc *mcp.ServerSession, params *HiParams) (*mcp.GetPromptResult, error) {
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return &mcp.GetPromptResult{
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Description: "Code review prompt",
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Messages: []*mcp.PromptMessage{
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{Role: "user", Content: mcp.NewTextContent("Say hi to " + params.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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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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