MCP Terminal Server
by dillip285
// Copyright 2024 Google LLC
// SPDX-License-Identifier: Apache-2.0
// This program doesn't do anything interesting.
// It is used by go/tests/api_test.go.
package main
import (
"context"
"encoding/json"
"fmt"
"log"
"github.com/firebase/genkit/go/ai"
"github.com/firebase/genkit/go/genkit"
)
func main() {
opts := genkit.StartOptions{
FlowAddr: "127.0.0.1:3400",
}
// used for streamed flows
type chunk struct {
Count int `json:"count"`
}
g, err := genkit.New(nil)
if err != nil {
log.Fatal(err)
}
model := genkit.DefineModel(g, "", "customReflector", nil, echo)
genkit.DefineFlow(g, "testFlow", func(ctx context.Context, in string) (string, error) {
res, err := genkit.Generate(ctx, g, ai.WithModel(model), ai.WithTextPrompt(in))
if err != nil {
return "", err
}
_ = res
return "TBD", nil
})
genkit.DefineStreamingFlow(g, "streamy", func(ctx context.Context, count int, cb func(context.Context, chunk) error) (string, error) {
i := 0
if cb != nil {
for ; i < count; i++ {
if err := cb(ctx, chunk{i}); err != nil {
return "", err
}
}
}
return fmt.Sprintf("done %d, streamed: %d times", count, i), nil
})
if err := g.Start(context.Background(), &opts); err != nil {
log.Fatal(err)
}
}
func echo(ctx context.Context, req *ai.ModelRequest, cb func(context.Context, *ai.ModelResponseChunk) error) (*ai.ModelResponse, error) {
jsonBytes, err := json.Marshal(req)
if err != nil {
return nil, err
}
return &ai.ModelResponse{
FinishReason: "stop",
Message: &ai.Message{
Role: "model",
Content: []*ai.Part{ai.NewTextPart(string(jsonBytes))},
},
}, nil
}