client.go•2.54 kB
// Copyright 2025 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0
//
// Run with: export GOOGLE_AI_API_KEY=your_key && go run client.go
package main
import (
"context"
"github.com/firebase/genkit/go/ai"
"github.com/firebase/genkit/go/core/logger"
"github.com/firebase/genkit/go/genkit"
"github.com/firebase/genkit/go/plugins/googlegenai"
"github.com/firebase/genkit/go/plugins/mcp"
)
func client() {
ctx := context.Background()
// Initialize Genkit with Google AI
g := genkit.Init(ctx, genkit.WithPlugins(&googlegenai.GoogleAI{}))
// Connect to server
client, err := mcp.NewGenkitMCPClient(mcp.MCPClientOptions{
Name: "client",
Stdio: &mcp.StdioConfig{
Command: "go",
Args: []string{"run", "server.go"},
},
})
if err != nil {
logger.FromContext(ctx).Error("Failed to connect to MCP server", "error", err)
return
}
defer client.Disconnect()
// Import tools
tools, err := client.GetActiveTools(ctx, g)
if err != nil {
logger.FromContext(ctx).Error("Failed to get tools from MCP server", "error", err)
return
}
logger.FromContext(ctx).Info("Connected to MCP server", "tools", getToolNames(tools))
// Convert to ToolRef
var toolRefs []ai.ToolRef
for _, tool := range tools {
toolRefs = append(toolRefs, tool)
}
// Use tools with AI
logger.FromContext(ctx).Info("Starting demo: Fetch and summarize content")
response, err := genkit.Generate(ctx, g,
ai.WithModelName("googleai/gemini-2.5-pro-preview-05-06"),
ai.WithPrompt("Fetch content from https://httpbin.org/json and give me a summary of what you find"),
ai.WithTools(toolRefs...),
ai.WithToolChoice(ai.ToolChoiceAuto),
)
if err != nil {
logger.FromContext(ctx).Error("Generation failed", "error", err)
} else {
logger.FromContext(ctx).Info("Generation completed", "result", response.Text())
}
}
func getToolNames(tools []ai.Tool) []string {
var names []string
for _, tool := range tools {
names = append(names, tool.Name())
}
return names
}