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feat!: drop Zod v3 support (#1460)

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Matt 2026-02-03 19:48:08 +00:00 • committed by GitHub
commit be5670f4fa
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2 changed files with 669 additions and 947 deletions
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6
packages/server/test/server/completable.test.ts
View file

@ -1,11 +1,9 @@
import type { ZodMatrixEntry } from '@modelcontextprotocol/test-helpers';
import { zodTestMatrix } from '@modelcontextprotocol/test-helpers';
import * as z from 'zod/v4';
import { describe, expect, it } from 'vitest';
import { completable, getCompleter } from '../../src/server/completable.js';
describe.each(zodTestMatrix)('completable with $zodVersionLabel', (entry: ZodMatrixEntry) => {
const { z } = entry;
describe('completable with Zod v4', () => {
it('preserves types and values of underlying schema', () => {
const baseSchema = z.string();
const schema = completable(baseSchema, () => []);

15
packages/server/test/server/streamableHttp.test.ts
View file

@ -1,8 +1,7 @@
import { randomUUID } from 'node:crypto';
import type { CallToolResult, JSONRPCErrorResponse, JSONRPCMessage } from '@modelcontextprotocol/core';
import type { ZodMatrixEntry } from '@modelcontextprotocol/test-helpers';
import { zodTestMatrix } from '@modelcontextprotocol/test-helpers';
import * as z from 'zod/v4';
import { McpServer } from '../../src/server/mcp.js';
import type { EventId, EventStore, StreamId } from '../../src/server/streamableHttp.js';
@ -118,9 +117,7 @@ function expectErrorResponse(data: unknown, expectedCode: number, expectedMessag
});
}
describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
const { z } = entry;
describe('Zod v4', () => {
describe('HTTPServerTransport', () => {
let transport: WebStandardStreamableHTTPServerTransport;
let mcpServer: McpServer;
@ -133,7 +130,7 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
'greet',
{
description: 'A simple greeting tool',
inputSchema: { name: z.string().describe('Name to greet') }
inputSchema: z.object({ name: z.string().describe('Name to greet') })
},
async ({ name }): Promise<CallToolResult> => {
return { content: [{ type: 'text', text: `Hello, ${name}!` }] };
@ -439,7 +436,7 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
mcpServer.registerTool(
'echo',
{ description: 'Echo tool', inputSchema: { message: z.string() } },
{ description: 'Echo tool', inputSchema: z.object({ message: z.string() }) },
async ({ message }): Promise<CallToolResult> => {
return { content: [{ type: 'text', text: message }] };
}
@ -487,7 +484,7 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
mcpServer.registerTool(
'greet',
{ description: 'Greeting tool', inputSchema: { name: z.string() } },
{ description: 'Greeting tool', inputSchema: z.object({ name: z.string() }) },
async ({ name }): Promise<CallToolResult> => {
return { content: [{ type: 'text', text: `Hello, ${name}!` }] };
}
@ -659,7 +656,7 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
mcpServer.registerTool(
'greet',
{ description: 'Greeting tool', inputSchema: { name: z.string() } },
{ description: 'Greeting tool', inputSchema: z.object({ name: z.string() }) },
async ({ name }): Promise<CallToolResult> => {
return { content: [{ type: 'text', text: `Hello, ${name}!` }] };
}