v2 - clean deprecated methods and exports

.changeset/funky-baths-attack.md

@@ -0,0 +1,8 @@
+---
+'@modelcontextprotocol/node': patch
+'@modelcontextprotocol/test-integration': patch
+'@modelcontextprotocol/server': patch
+'@modelcontextprotocol/core': patch
+---
+
+remove deprecated .tool, .prompt, .resource method signatures

.changeset/shy-times-learn.md

@@ -0,0 +1,8 @@
+---
+'@modelcontextprotocol/node': patch
+'@modelcontextprotocol/test-integration': patch
+'@modelcontextprotocol/server': patch
+'@modelcontextprotocol/core': patch
+---
+
+deprecated .tool, .prompt, .resource method removal

examples/server/src/ssePollingExample.ts

@@ -35,11 +35,12 @@ const server = new McpServer(
 );
 
 // Register a long-running tool that demonstrates server-initiated disconnect
-server.tool(
+server.registerTool(
     'long-task',
-    'A long-running task that sends progress updates. Server will disconnect mid-task to demonstrate polling.',
-    {},
-    async (_args, extra): Promise<CallToolResult> => {
+    {
+        description: 'A long-running task that sends progress updates. Server will disconnect mid-task to demonstrate polling.'
+    },
+    async (extra): Promise<CallToolResult> => {
         const sleep = (ms: number) => new Promise(resolve => setTimeout(resolve, ms));
 
         console.log(`[${extra.sessionId}] Starting long-task...`);

packages/core/src/types/types.ts

@@ -215,13 +215,6 @@ export const JSONRPCResultResponseSchema = z
 export const isJSONRPCResultResponse = (value: unknown): value is JSONRPCResultResponse =>
     JSONRPCResultResponseSchema.safeParse(value).success;
 
-/**
- * @deprecated Use {@link isJSONRPCResultResponse} instead.
- *
- * Please note that {@link JSONRPCResponse} is a union of {@link JSONRPCResultResponse} and {@link JSONRPCErrorResponse} as per the updated JSON-RPC specification. (was previously just {@link JSONRPCResultResponse})
- */
-export const isJSONRPCResponse = isJSONRPCResultResponse;
-
 /**
  * Error codes defined by the JSON-RPC specification.
  */
@@ -265,11 +258,6 @@ export const JSONRPCErrorResponseSchema = z
     })
     .strict();
 
-/**
- * @deprecated Use {@link JSONRPCErrorResponseSchema} instead.
- */
-export const JSONRPCErrorSchema = JSONRPCErrorResponseSchema;
-
 /**
  * Checks if a value is a valid JSONRPCErrorResponse.
  * @param value - The value to check.
@@ -279,11 +267,6 @@ export const JSONRPCErrorSchema = JSONRPCErrorResponseSchema;
 export const isJSONRPCErrorResponse = (value: unknown): value is JSONRPCErrorResponse =>
     JSONRPCErrorResponseSchema.safeParse(value).success;
 
-/**
- * @deprecated Use {@link isJSONRPCErrorResponse} instead.
- */
-export const isJSONRPCError = isJSONRPCErrorResponse;
-
 export const JSONRPCMessageSchema = z.union([
     JSONRPCRequestSchema,
     JSONRPCNotificationSchema,
@@ -2115,11 +2098,6 @@ export const ResourceTemplateReferenceSchema = z.object({
     uri: z.string()
 });
 
-/**
- * @deprecated Use ResourceTemplateReferenceSchema instead
- */
-export const ResourceReferenceSchema = ResourceTemplateReferenceSchema;
-
 /**
  * Identifies a prompt.
  */
@@ -2432,12 +2410,6 @@ export type JSONRPCRequest = Infer<typeof JSONRPCRequestSchema>;
 export type JSONRPCNotification = Infer<typeof JSONRPCNotificationSchema>;
 export type JSONRPCResponse = Infer<typeof JSONRPCResponseSchema>;
 export type JSONRPCErrorResponse = Infer<typeof JSONRPCErrorResponseSchema>;
-/**
- * @deprecated Use {@link JSONRPCErrorResponse} instead.
- *
- * Please note that spec types have renamed {@link JSONRPCError} to {@link JSONRPCErrorResponse} as per the updated JSON-RPC specification. (was previously just {@link JSONRPCError}) and future versions will remove {@link JSONRPCError}.
- */
-export type JSONRPCError = JSONRPCErrorResponse;
 export type JSONRPCResultResponse = Infer<typeof JSONRPCResultResponseSchema>;
 
 export type JSONRPCMessage = Infer<typeof JSONRPCMessageSchema>;
@@ -2609,10 +2581,6 @@ export type ElicitResult = Infer<typeof ElicitResultSchema>;
 
 /* Autocomplete */
 export type ResourceTemplateReference = Infer<typeof ResourceTemplateReferenceSchema>;
-/**
- * @deprecated Use ResourceTemplateReference instead
- */
-export type ResourceReference = ResourceTemplateReference;
 export type PromptReference = Infer<typeof PromptReferenceSchema>;
 export type CompleteRequestParams = Infer<typeof CompleteRequestParamsSchema>;
 export type CompleteRequest = Infer<typeof CompleteRequestSchema>;

packages/middleware/node/test/streamableHttp.test.ts

@@ -161,10 +161,12 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
         config ??= { sessionIdGenerator: () => randomUUID() };
         const mcpServer = new McpServer({ name: 'test-server', version: '1.0.0' }, { capabilities: { logging: {} } });
 
-        mcpServer.tool(
+        mcpServer.registerTool(
             'greet',
-            'A simple greeting tool',
-            { name: z.string().describe('Name to greet') },
+            {
+                description: 'A simple greeting tool',
+                inputSchema: { name: z.string().describe('Name to greet') }
+            },
             async ({ name }): Promise<CallToolResult> => {
                 return { content: [{ type: 'text', text: `Hello, ${name}!` }] };
             }
@@ -206,10 +208,12 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
     }> {
         const mcpServer = new McpServer({ name: 'test-server', version: '1.0.0' }, { capabilities: { logging: {} } });
 
-        mcpServer.tool(
+        mcpServer.registerTool(
             'profile',
-            'A user profile data tool',
-            { active: z.boolean().describe('Profile status') },
+            {
+                description: 'A user profile data tool',
+                inputSchema: { active: z.boolean().describe('Profile status') }
+            },
             async ({ active }, { authInfo }): Promise<CallToolResult> => {
                 return { content: [{ type: 'text', text: `${active ? 'Active' : 'Inactive'} profile from token: ${authInfo?.token}!` }] };
             }
@@ -394,10 +398,12 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
         it('should pass request info to tool callback', async () => {
             sessionId = await initializeServer();
 
-            mcpServer.tool(
+            mcpServer.registerTool(
                 'test-request-info',
-                'A simple test tool with request info',
-                { name: z.string().describe('Name to greet') },
+                {
+                    description: 'A simple test tool with request info',
+                    inputSchema: { name: z.string().describe('Name to greet') }
+                },
                 async ({ name }, { requestInfo }): Promise<CallToolResult> => {
                     // Convert Headers object to plain object for JSON serialization
                     // Headers is a Web API class that doesn't serialize with JSON.stringify
@@ -1845,7 +1851,7 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
             });
 
             // Register a tool that closes its own SSE stream via extra callback
-            mcpServer.tool('close-stream-tool', 'Closes its own stream', {}, async (_args, extra) => {
+            mcpServer.registerTool('close-stream-tool', { description: 'Closes its own stream' }, async extra => {
                 // Close the SSE stream for this request
                 extra.closeSSEStream?.();
                 streamCloseCalled = true;
@@ -1913,7 +1919,7 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
             let receivedCloseSSEStream: (() => void) | undefined;
 
             // Register a tool that captures the extra.closeSSEStream callback
-            mcpServer.tool('test-callback-tool', 'Test tool', {}, async (_args, extra) => {
+            mcpServer.registerTool('test-callback-tool', { description: 'Test tool' }, async extra => {
                 receivedCloseSSEStream = extra.closeSSEStream;
                 return { content: [{ type: 'text', text: 'Done' }] };
             });
@@ -1972,7 +1978,7 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
             let receivedCloseStandaloneSSEStream: (() => void) | undefined;
 
             // Register a tool that captures the extra.closeSSEStream callback
-            mcpServer.tool('test-old-version-tool', 'Test tool', {}, async (_args, extra) => {
+            mcpServer.registerTool('test-old-version-tool', { description: 'Test tool' }, async extra => {
                 receivedCloseSSEStream = extra.closeSSEStream;
                 receivedCloseStandaloneSSEStream = extra.closeStandaloneSSEStream;
                 return { content: [{ type: 'text', text: 'Done' }] };
@@ -2031,7 +2037,7 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
             let receivedCloseSSEStream: (() => void) | undefined;
 
             // Register a tool that captures the extra.closeSSEStream callback
-            mcpServer.tool('test-no-callback-tool', 'Test tool', {}, async (_args, extra) => {
+            mcpServer.registerTool('test-no-callback-tool', { description: 'Test tool' }, async extra => {
                 receivedCloseSSEStream = extra.closeSSEStream;
                 return { content: [{ type: 'text', text: 'Done' }] };
             });
@@ -2088,7 +2094,7 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
             let receivedCloseStandaloneSSEStream: (() => void) | undefined;
 
             // Register a tool that captures the extra.closeStandaloneSSEStream callback
-            mcpServer.tool('test-standalone-callback-tool', 'Test tool', {}, async (_args, extra) => {
+            mcpServer.registerTool('test-standalone-callback-tool', { description: 'Test tool' }, async extra => {
                 receivedCloseStandaloneSSEStream = extra.closeStandaloneSSEStream;
                 return { content: [{ type: 'text', text: 'Done' }] };
             });
@@ -2143,7 +2149,7 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
             mcpServer = result.mcpServer;
 
             // Register a tool that closes the standalone SSE stream via extra callback
-            mcpServer.tool('close-standalone-stream-tool', 'Closes standalone stream', {}, async (_args, extra) => {
+            mcpServer.registerTool('close-standalone-stream-tool', { description: 'Closes standalone stream' }, async extra => {
                 extra.closeStandaloneSSEStream?.();
                 return { content: [{ type: 'text', text: 'Stream closed' }] };
             });
@@ -2224,7 +2230,7 @@ describe.each(zodTestMatrix)('$zodVersionLabel', (entry: ZodMatrixEntry) => {
             mcpServer = result.mcpServer;
 
             // Register a tool that closes the standalone SSE stream
-            mcpServer.tool('close-standalone-for-reconnect', 'Closes standalone stream', {}, async (_args, extra) => {
+            mcpServer.registerTool('close-standalone-for-reconnect', { description: 'Closes standalone stream' }, async extra => {
                 extra.closeStandaloneSSEStream?.();
                 return { content: [{ type: 'text', text: 'Stream closed' }] };
             });