mirror of
https://github.com/google/adk-docs.git
synced 2026-09-14 16:16:59 +08:00
Toni Klopfenstein
98 lines
3.0 KiB
Go
98 lines
3.0 KiB
Go
// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"context"
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"fmt"
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"log"
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"os"
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"os/exec"
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"path/filepath"
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"github.com/modelcontextprotocol/go-sdk/mcp"
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"google.golang.org/adk/agent/llmagent"
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"google.golang.org/adk/cmd/launcher/adk"
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"google.golang.org/adk/cmd/launcher/full"
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"google.golang.org/adk/model/gemini"
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"google.golang.org/adk/server/restapi/services"
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"google.golang.org/adk/tool"
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"google.golang.org/adk/tool/mcptoolset"
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"google.golang.org/genai"
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)
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func main() {
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// It's good practice to define paths dynamically if possible,
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// or ensure the user understands the need for an ABSOLUTE path.
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// For this example, we'll construct a path relative to the current working directory.
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// REPLACE THIS with an actual absolute path if needed for your setup.
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targetFolderPath, err := filepath.Abs("./test_data")
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if err != nil {
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log.Fatalf("Failed to get absolute path: %v", err)
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}
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// Ensure the directory exists
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if err := os.MkdirAll(targetFolderPath, 0755); err != nil {
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log.Fatalf("Failed to create target directory: %v", err)
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}
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fmt.Printf("Using target folder: %s\n", targetFolderPath)
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ctx := context.Background()
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// Get the API Key from an environment variable
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apiKey := os.Getenv("GOOGLE_API_KEY")
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if apiKey == "" {
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log.Fatal("GOOGLE_API_KEY environment variable not set")
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}
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model, err := gemini.NewModel(ctx, "gemini-2.5-flash", &genai.ClientConfig{APIKey: apiKey})
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if err != nil {
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log.Fatalf("Failed to create model: %v", err)
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}
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mcpToolset, err := mcptoolset.New(mcptoolset.Config{
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Transport: &mcp.CommandTransport{
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Command: exec.Command("npx",
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"-y",
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"@modelcontextprotocol/server-filesystem",
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targetFolderPath,
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),
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},
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// Optional: Filter which tools from the MCP server are exposed
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// ToolFilter: tool.StringPredicate([]string{"list_directory", "read_file"}),
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})
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if err != nil {
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log.Fatalf("Failed to create MCP toolset: %v", err)
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}
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agent, err := llmagent.New(llmagent.Config{
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Name: "filesystem_assistant_agent",
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Model: model,
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Description: "Help the user manage their files. You can list files, read files, etc.",
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Instruction: "Help the user manage their files. You can list files, read files, etc.",
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Toolsets: []tool.Toolset{mcpToolset},
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})
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if err != nil {
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log.Fatalf("Failed to create agent: %v", err)
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}
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config := &adk.Config{
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AgentLoader: services.NewSingleAgentLoader(agent),
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}
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l := full.NewLauncher()
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err = l.Execute(ctx, config, os.Args[1:])
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if err != nil {
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log.Fatalf("run failed: %v\n\n%s", err, l.CommandLineSyntax())
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}
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}
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