Files
CyberStrikeAI/internal/einomcp/mcp_tools.go
T
2026-03-23 02:15:46 +08:00

102 lines
2.6 KiB
Go

package einomcp
import (
"context"
"encoding/json"
"fmt"
"cyberstrike-ai/internal/agent"
"github.com/cloudwego/eino/components/tool"
"github.com/cloudwego/eino/schema"
"github.com/eino-contrib/jsonschema"
)
// ExecutionRecorder 可选,在 MCP 工具成功返回且带有 execution id 时回调(用于汇总 mcpExecutionIds)。
type ExecutionRecorder func(executionID string)
// ToolsFromDefinitions 将单 Agent 使用的 OpenAI 风格工具定义转为 Eino InvokableTool,执行时走 Agent 的 MCP 路径。
func ToolsFromDefinitions(ag *agent.Agent, holder *ConversationHolder, defs []agent.Tool, rec ExecutionRecorder) ([]tool.BaseTool, error) {
out := make([]tool.BaseTool, 0, len(defs))
for _, d := range defs {
if d.Type != "function" || d.Function.Name == "" {
continue
}
info, err := toolInfoFromDefinition(d)
if err != nil {
return nil, fmt.Errorf("tool %q: %w", d.Function.Name, err)
}
out = append(out, &mcpBridgeTool{
info: info,
name: d.Function.Name,
agent: ag,
holder: holder,
record: rec,
})
}
return out, nil
}
func toolInfoFromDefinition(d agent.Tool) (*schema.ToolInfo, error) {
fn := d.Function
raw, err := json.Marshal(fn.Parameters)
if err != nil {
return nil, err
}
var js jsonschema.Schema
if len(raw) > 0 && string(raw) != "null" && string(raw) != "{}" {
if err := json.Unmarshal(raw, &js); err != nil {
return nil, err
}
}
if js.Type == "" {
js.Type = string(schema.Object)
}
if js.Properties == nil && js.Type == string(schema.Object) {
// 空参数对象
}
return &schema.ToolInfo{
Name: fn.Name,
Desc: fn.Description,
ParamsOneOf: schema.NewParamsOneOfByJSONSchema(&js),
}, nil
}
type mcpBridgeTool struct {
info *schema.ToolInfo
name string
agent *agent.Agent
holder *ConversationHolder
record ExecutionRecorder
}
func (m *mcpBridgeTool) Info(ctx context.Context) (*schema.ToolInfo, error) {
_ = ctx
return m.info, nil
}
func (m *mcpBridgeTool) InvokableRun(ctx context.Context, argumentsInJSON string, opts ...tool.Option) (string, error) {
_ = opts
var args map[string]interface{}
if argumentsInJSON != "" && argumentsInJSON != "null" {
if err := json.Unmarshal([]byte(argumentsInJSON), &args); err != nil {
return "", fmt.Errorf("invalid tool arguments JSON: %w", err)
}
}
if args == nil {
args = map[string]interface{}{}
}
conv := m.holder.Get()
res, err := m.agent.ExecuteMCPToolForConversation(ctx, conv, m.name, args)
if err != nil {
return "", err
}
if res == nil {
return "", nil
}
if res.ExecutionID != "" && m.record != nil {
m.record(res.ExecutionID)
}
return res.Result, nil
}