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fix McpToolUtils.prefixedToolName formatted in order to support Chinese characters in toolName #4191

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fix McpToolUtils.prefixedToolName formatted in order to support Chinese characters in toolName #4191

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6 changes: 3 additions & 3 deletions mcp/common/src/main/java/org/springframework/ai/mcp/McpToolUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -79,9 +79,9 @@ public static String prefixedToolName(String prefix, String toolName) {

String input = prefix + "_" + toolName;

// Replace any character that isn't alphanumeric, underscore, or hyphen with
// concatenation
String formatted = input.replaceAll("[^a-zA-Z0-9_-]", "");
// Replace any character that isn't alphanumeric, underscore, hyphen, or Chinese
// characters with empty string
String formatted = input.replaceAll("[^a-zA-Z0-9_\u4e00-\u9fa5]", "");

formatted = formatted.replaceAll("-", "_");

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