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Fix a redundant regexp escape in the tool name validation #553

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Merged
koic merged 1 commit into from
Sep 15, 2026
+1 −1
Merged

Fix a redundant regexp escape in the tool name validation #553

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2 changes: 1 addition & 1 deletion lib/mcp/tool.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -149,7 +149,7 @@ def validate!
raise ArgumentError, "Tool names should be between 1 and 128 characters in length (inclusive)."
end

unless tool_name.match?(/\A[A-Za-z\d_\-\.]+\z/)
unless tool_name.match?(/\A[A-Za-z\d_\-.]+\z/)
raise ArgumentError, <<~MESSAGE
Tool names only allowed characters: uppercase and lowercase ASCII letters (A-Z, a-z), digits (0-9), underscore (_), hyphen (-), and dot (.).
MESSAGE
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