diff --git a/tools/search.go b/tools/search.go
index 002dc86..d1a15fe 100644
--- a/tools/search.go
+++ b/tools/search.go
@@ -36,37 +36,37 @@
 }
 
 // InputSchema returns the JSON schema for tool parameters
-func (s *SearchTool) InputSchema() map[string]interface{} {
-	return map[string]interface{}{
+func (s *SearchTool) InputSchema() map[string]any {
+	return map[string]any{
 		"type": "object",
-		"properties": map[string]interface{}{
-			"query": map[string]interface{}{
+		"properties": map[string]any{
+			"query": map[string]any{
 				"type":        "string",
 				"description": "The search query. Supports different query languages like Poliqarp, CosmasII, or Annis depending on the selected query_language parameter.",
 				"minLength":   1,
 				"maxLength":   1000,
 				"examples":    []string{"Haus", "[pos=NN]", "der /w1:5 Mann"},
 			},
-			"query_language": map[string]interface{}{
+			"query_language": map[string]any{
 				"type":        "string",
 				"description": "Query language to use for parsing the search query. Supported languages: 'poliqarp' (default; extended Poliqarp QL), 'cosmas2' (corpus query syntax of COSMAS II), 'annis' (multi-layer annotation queries), 'cql' (corpus query language), 'cqp' (Corpus Query Processor syntax), 'fcsql' (Federated Content Search queries).",
 				"enum":        []string{"poliqarp", "cosmas2", "annis", "cql", "cqp", "fcsql"},
 				"default":     "poliqarp",
 				"examples":    []string{"poliqarp", "cosmas2", "annis", "cql", "cqp", "fcsql"},
 			},
-			"corpus": map[string]interface{}{
+			"corpus": map[string]any{
 				"type":        "string",
 				"description": "Virtual corpus query to filter search results based on metadata fields. Supports boolean operations (& | !), comparison operators (= != < > in), and regular expressions (/pattern/). Use metadata fields like corpusSigle, textClass, pubDate, textType, availability, etc. When not provided, searches all available data accessible to the user.",
 				"pattern":     "^[a-zA-Z0-9._\\-\\s&|!=<>()/*\"']+$",
 				"examples":    []string{"corpusSigle = \"GOE\"", "textClass = \"politics\" & pubDate in 2020", "textType = \"news\" | textType = \"blog\"", "availability = /CC.*/ & textClass != \"fiction\""},
 			},
-			"count": map[string]interface{}{
+			"count": map[string]any{
 				"type":        "integer",
 				"description": "Maximum number of search results to return. Higher values may increase response time. Use smaller values for faster responses when doing exploratory searches.",
 				"minimum":     0,
 				"maximum":     10000,
 				"default":     25,
-				"examples":    []interface{}{10, 25, 50, 100},
+				"examples":    []any{10, 25, 50, 100},
 			},
 		},
 		"required":             []string{"query"},