41 lines
1 KiB
Go
41 lines
1 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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// !+
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package main
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import (
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"context"
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"log"
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"github.com/modelcontextprotocol/go-sdk/mcp"
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)
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type Input struct {
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Name string `json:"name" jsonschema:"the name of the person to greet"`
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}
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type Output struct {
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Greeting string `json:"greeting" jsonschema:"the greeting to tell to the user"`
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}
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func SayHi(ctx context.Context, req *mcp.CallToolRequest, input Input) (
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*mcp.CallToolResult,
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Output,
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error,
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) {
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return nil, Output{Greeting: "Hi " + input.Name}, nil
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}
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func main() {
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// Create a server with a single tool.
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server := mcp.NewServer(&mcp.Implementation{Name: "greeter", Version: "v1.0.0"}, nil)
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mcp.AddTool(server, &mcp.Tool{Name: "greet", Description: "say hi"}, SayHi)
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// Run the server over stdin/stdout, until the client disconnects.
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if err := server.Run(context.Background(), &mcp.StdioTransport{}); err != nil {
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log.Fatal(err)
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}
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}
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// !-
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