Add projects

backend/internal/runtime/executor/helps/claude_builtin_tools.go

@@ -0,0 +1,66 @@
+package helps
+
+import (
+	"strings"
+
+	"github.com/tidwall/gjson"
+)
+
+var defaultClaudeBuiltinToolNames = []string{
+	"web_search",
+	"code_execution",
+	"text_editor",
+	"computer",
+}
+
+func newClaudeBuiltinToolRegistry() map[string]bool {
+	registry := make(map[string]bool, len(defaultClaudeBuiltinToolNames))
+	for _, name := range defaultClaudeBuiltinToolNames {
+		registry[name] = true
+	}
+	return registry
+}
+
+// IsClaudeServerToolType reports whether a typed declaration is a recognized
+// Anthropic-operated tool. Client-defined type:"custom" declarations are not
+// server tools and must remain eligible for MCP aliasing.
+func IsClaudeServerToolType(toolType string) bool {
+	toolType = strings.ToLower(strings.TrimSpace(toolType))
+	for _, prefix := range []string{
+		"advisor_",
+		"agent_toolset_",
+		"bash_",
+		"code_execution_",
+		"computer_",
+		"memory_",
+		"text_editor_",
+		"tool_search_tool_",
+		"web_fetch_",
+		"web_search_",
+	} {
+		if strings.HasPrefix(toolType, prefix) {
+			return true
+		}
+	}
+	return false
+}
+
+func AugmentClaudeBuiltinToolRegistry(body []byte, registry map[string]bool) map[string]bool {
+	if registry == nil {
+		registry = newClaudeBuiltinToolRegistry()
+	}
+	tools := gjson.GetBytes(body, "tools")
+	if !tools.Exists() || !tools.IsArray() {
+		return registry
+	}
+	tools.ForEach(func(_, tool gjson.Result) bool {
+		if !IsClaudeServerToolType(tool.Get("type").String()) {
+			return true
+		}
+		if name := tool.Get("name").String(); name != "" {
+			registry[name] = true
+		}
+		return true
+	})
+	return registry
+}