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mcp: new API for features (#88)

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BREAKING CHANGE

Change the API for adding tools, prompts, resources and resource
templates to a server.

The ServerXXX types are gone along with the plural Add methods
(AddTools, AddPrompts etc.)
Instead there are single Add methods (AddTool, AddPrompt).
In addition, instead of NewServerTool, there is AddTool[In, Out].

Fixes #73.
This commit is contained in:
Jonathan Amsterdam 2025-07-07 14:54:52 -04:00 • committed by GitHub
commit aebd244981
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1 changed files with 366 additions and 612 deletions
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9
internal/readme/server/server.go
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@ -13,7 +13,7 @@ import (
)
type HiParams struct {
Name string `json:"name"`
Name string `json:"name", mcp:"the name of the person to greet"`
}
func SayHi(ctx context.Context, cc *mcp.ServerSession, params *mcp.CallToolParamsFor[HiParams]) (*mcp.CallToolResultFor[any], error) {
@ -25,11 +25,8 @@ func SayHi(ctx context.Context, cc *mcp.ServerSession, params *mcp.CallToolParam
func main() {
// Create a server with a single tool.
server := mcp.NewServer("greeter", "v1.0.0", nil)
server.AddTools(
mcp.NewServerTool("greet", "say hi", SayHi, mcp.Input(
mcp.Property("name", mcp.Description("the name of the person to greet")),
)),
)
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.NewStdioTransport()); err != nil {
log.Fatal(err)