This CL implements a completion handler for the server and a complete method for the client. Fixes: #12 <!-- Provide a brief summary of your changes --> ## Motivation and Context <!-- Why is this change needed? What problem does it solve? --> This adds support for completion. ## How Has This Been Tested? <!-- Have you tested this in a real application? Which scenarios were tested? --> Added tests and an example. ## Breaking Changes <!-- Will users need to update their code or configurations? --> N/A ## Types of changes <!-- What types of changes does your code introduce? Put an `x` in all the boxes that apply: --> - [ ] Bug fix (non-breaking change which fixes an issue) - [x] New feature (non-breaking change which adds functionality) - [ ] Breaking change (fix or feature that would cause existing functionality to change) - [ ] Documentation update ## Checklist <!-- Go over all the following points, and put an `x` in all the boxes that apply. --> - [x] I have read the [MCP Documentation](https://modelcontextprotocol.io) - [x] My code follows the repository's style guidelines - [x] New and existing tests pass locally - [x] I have added appropriate error handling - [x] I have added or updated documentation as needed ## Additional context <!-- Add any other context, implementation notes, or design decisions -->
49 lines
1.6 KiB
Go
49 lines
1.6 KiB
Go
// Copyright 2025 The Go MCP SDK Authors. All rights reserved.
|
|
// Use of this source code is governed by an MIT-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package main
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"log"
|
|
|
|
"github.com/modelcontextprotocol/go-sdk/mcp"
|
|
)
|
|
|
|
// This example demonstrates the minimal code to declare and assign
|
|
// a CompletionHandler to an MCP Server's options.
|
|
func main() {
|
|
// Define your custom CompletionHandler logic.
|
|
myCompletionHandler := func(_ context.Context, _ *mcp.ServerSession, params *mcp.CompleteParams) (*mcp.CompleteResult, error) {
|
|
// In a real application, you'd implement actual completion logic here.
|
|
// For this example, we return a fixed set of suggestions.
|
|
var suggestions []string
|
|
switch params.Ref.Type {
|
|
case "ref/prompt":
|
|
suggestions = []string{"suggestion1", "suggestion2", "suggestion3"}
|
|
case "ref/resource":
|
|
suggestions = []string{"suggestion4", "suggestion5", "suggestion6"}
|
|
default:
|
|
return nil, fmt.Errorf("unrecognized content type %s", params.Ref.Type)
|
|
}
|
|
|
|
return &mcp.CompleteResult{
|
|
Completion: mcp.CompletionResultDetails{
|
|
HasMore: false,
|
|
Total: len(suggestions),
|
|
Values: suggestions,
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
// Create the MCP Server instance and assign the handler.
|
|
// No server running, just showing the configuration.
|
|
_ = mcp.NewServer("myServer", "v1.0.0", &mcp.ServerOptions{
|
|
CompletionHandler: myCompletionHandler,
|
|
})
|
|
|
|
log.Println("MCP Server instance created with a CompletionHandler assigned (but not running).")
|
|
log.Println("This example demonstrates configuration, not live interaction.")
|
|
}
|