* First commit

pkg/tools/registry.go

@@ -0,0 +1,50 @@
+package tools
+
+import (
+	"context"
+	"fmt"
+	"sync"
+)
+
+type ToolRegistry struct {
+	tools map[string]Tool
+	mu    sync.RWMutex
+}
+
+func NewToolRegistry() *ToolRegistry {
+	return &ToolRegistry{
+		tools: make(map[string]Tool),
+	}
+}
+
+func (r *ToolRegistry) Register(tool Tool) {
+	r.mu.Lock()
+	defer r.mu.Unlock()
+	r.tools[tool.Name()] = tool
+}
+
+func (r *ToolRegistry) Get(name string) (Tool, bool) {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+	tool, ok := r.tools[name]
+	return tool, ok
+}
+
+func (r *ToolRegistry) Execute(ctx context.Context, name string, args map[string]interface{}) (string, error) {
+	tool, ok := r.Get(name)
+	if !ok {
+		return "", fmt.Errorf("tool '%s' not found", name)
+	}
+	return tool.Execute(ctx, args)
+}
+
+func (r *ToolRegistry) GetDefinitions() []map[string]interface{} {
+	r.mu.RLock()
+	defer r.mu.RUnlock()
+
+	definitions := make([]map[string]interface{}, 0, len(r.tools))
+	for _, tool := range r.tools {
+		definitions = append(definitions, ToolToSchema(tool))
+	}
+	return definitions
+}