Mapbox MCP Server

import { z } from 'zod'; import { getAllTools } from './toolRegistry.js'; // Mock getVersionInfo to avoid import.meta.url issues in Jest jest.mock('../utils/versionUtils.js', () => ({ getVersionInfo: jest.fn(() => ({ name: 'Mapbox MCP server', version: '1.0.0', sha: 'mock-sha', tag: 'mock-tag', branch: 'mock-branch' })) })); function detectTupleUsage(schema: z.ZodType): string[] { const issues: string[] = []; function traverse(node: z.ZodType, path: string = ''): void { // Check if this is specifically a ZodTuple if (node instanceof z.ZodTuple) { issues.push( `${path}: z.tuple() detected - this causes JSON schema generation issues` ); } // Traverse nested schemas if (node instanceof z.ZodArray) { if (node._def.type) { traverse(node._def.type, `${path}[item]`); } } else if (node instanceof z.ZodObject) { const shape = node._def.shape(); for (const [key, value] of Object.entries(shape)) { traverse(value as z.ZodType, path ? `${path}.${key}` : key); } } else if (node instanceof z.ZodUnion) { node._def.options.forEach((option: z.ZodType, index: number) => { traverse(option, `${path}[union_option_${index}]`); }); } else if (node instanceof z.ZodOptional) { traverse(node._def.innerType, path); } else if (node instanceof z.ZodDefault) { traverse(node._def.innerType, path); } else if (node instanceof z.ZodNullable) { traverse(node._def.innerType, path); } } traverse(schema); return issues; } describe('Schema Validation - No Tuples', () => { // Dynamically get all tools from the central registry const tools = [...getAllTools()]; const schemas = tools.map((tool) => ({ name: tool.constructor.name, schema: (tool as any).inputSchema })); test.each(schemas)( '$name should not contain z.tuple() usage', ({ name, schema }) => { const tupleIssues = detectTupleUsage(schema); expect(tupleIssues).toEqual([]); } ); // Negative test to ensure detection works test('should detect z.tuple() usage in test schemas', () => { const schemaWithTuple = z.object({ coordinates: z.tuple([z.number(), z.number()]), data: z.object({ nestedTuple: z.tuple([z.string(), z.boolean()]) }) }); const tupleIssues = detectTupleUsage(schemaWithTuple); expect(tupleIssues).toHaveLength(2); expect(tupleIssues[0]).toContain('coordinates: z.tuple() detected'); expect(tupleIssues[1]).toContain('data.nestedTuple: z.tuple() detected'); }); });