import { z } from 'zod';
import { zodToJsonSchema } from 'zod-to-json-schema';
import { Tool } from '@modelcontextprotocol/sdk/types.js';
/**
* Convert a Zod schema to a JSON schema compatible with MCP Tool inputSchema
*/
export function zodToMcpSchema(zodSchema: z.ZodSchema): any {
const jsonSchema = zodToJsonSchema(zodSchema, { target: 'jsonSchema7' });
// Remove the $schema property as it's not needed for MCP tools
const { $schema, ...mcpSchema } = jsonSchema;
return mcpSchema;
}
/**
* Create an MCP tool with automatic schema conversion from Zod
*/
export function createMcpTool(
name: string,
description: string,
zodSchema: z.ZodSchema
): Tool {
return {
name,
description,
inputSchema: zodToMcpSchema(zodSchema)
};
}
