modelcontextprotocol/go-sdk
Watch
1
0
Fork
You've already forked go-sdk
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions 1

all: add examples of customizing tool schemas, and clarify documentation (#421)

Browse source 
Add example/server/toolschemas, which demonstrates various ways to
customize tool schemas, and illustrates the differences between
ToolHandler and ToolHandlerFor.

Fixes #385
Fixes #386
For #368
This commit is contained in:
Robert Findley 2025-09-05 14:11:11 -04:00 • committed by GitHub
commit 40b6bd30f1
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 309 additions and 100 deletions
Download patch file Download diff file Expand all files Collapse all files

13
internal/readme/server/server.go
View file

@ -12,20 +12,21 @@ import (
"github.com/modelcontextprotocol/go-sdk/mcp"
)
type HiParams struct {
type Input struct {
Name string `json:"name" jsonschema:"the name of the person to greet"`
}
func SayHi(ctx context.Context, req *mcp.CallToolRequest, args HiParams) (*mcp.CallToolResult, any, error) {
return &mcp.CallToolResult{
Content: []mcp.Content{&mcp.TextContent{Text: "Hi " + args.Name}},
}, nil, nil
type Output struct {
Greeting string `json:"greeting" jsonschema:"the greeting to tell to the user"`
}
func SayHi(ctx context.Context, req *mcp.CallToolRequest, input Input) (*mcp.CallToolResult, Output, error) {
return nil, Output{Greeting: "Hi " + input.Name}, nil
}
func main() {
// Create a server with a single tool.
server := mcp.NewServer(&mcp.Implementation{Name: "greeter", Version: "v1.0.0"}, nil)
mcp.AddTool(server, &mcp.Tool{Name: "greet", Description: "say hi"}, SayHi)
// Run the server over stdin/stdout, until the client disconnects
if err := server.Run(context.Background(), &mcp.StdioTransport{}); err != nil {