fix(mcp): fix z.record() Zod v4 API compat in transport tool schemas

Zod v4 changed z.record(valueType) to z.record(keyType, valueType).
The single-arg form now sets keyType, leaving valueType as undefined.
This caused tools/list to throw 'Cannot read properties of undefined
(reading _zod)' when the SDK tried to serialize the metadata field to
JSON Schema, silently returning an error for every tools/list call and
making all MCP tools invisible in claude.ai.
This commit is contained in:
jubnl
2026-04-20 07:57:40 +02:00
parent dd90c6d424
commit 49af7a8b0d
+2 -2
View File
@@ -44,7 +44,7 @@ export function registerTransportTools(server: McpServer, userId: number, scopes
reservation_end_time: z.string().optional().describe('ISO 8601 datetime or time string for arrival'),
confirmation_number: z.string().max(100).optional(),
notes: z.string().max(1000).optional(),
metadata: z.record(z.string()).optional().describe('Type-specific metadata: flights → { airline, flight_number, departure_airport, arrival_airport }; trains → { train_number, platform, seat }'),
metadata: z.record(z.string(), z.string()).optional().describe('Type-specific metadata: flights → { airline, flight_number, departure_airport, arrival_airport }; trains → { train_number, platform, seat }'),
endpoints: endpointSchema,
needs_review: z.boolean().optional(),
},
@@ -95,7 +95,7 @@ export function registerTransportTools(server: McpServer, userId: number, scopes
reservation_end_time: z.string().optional().describe('ISO 8601 datetime or time string for arrival'),
confirmation_number: z.string().max(100).optional(),
notes: z.string().max(1000).optional(),
metadata: z.record(z.string()).optional().describe('Type-specific metadata: flights → { airline, flight_number, departure_airport, arrival_airport }; trains → { train_number, platform, seat }'),
metadata: z.record(z.string(), z.string()).optional().describe('Type-specific metadata: flights → { airline, flight_number, departure_airport, arrival_airport }; trains → { train_number, platform, seat }'),
endpoints: endpointSchema,
needs_review: z.boolean().optional(),
},