// Shared helpers for MCP tool handlers
/**
* Normalize a bill number for comparison
* Handles variations like "AB 858", "AB858", "AB-858", "ab858"
*/
export function normalizeBillNumber(input: string): string {
return input
.toUpperCase()
.replace(/[\s.-]/g, "") // Remove spaces, dots, dashes
.replace(/^([A-Z]+)0+(\d)/, "$1$2"); // Strip leading zeros: AB0858 → AB858
}
/**
* Create a successful JSON tool response
*/
export function jsonResponse(data: unknown) {
return {
content: [
{
type: "text" as const,
text: JSON.stringify(data, null, 2),
},
],
};
}
/**
* Create an error tool response
*/
export function errorResponse(error: unknown) {
return {
content: [
{
type: "text" as const,
text: `Error: ${error instanceof Error ? error.message : String(error)}`,
},
],
isError: true,
};
}
