6 Releases published by 1 person

• 1.12.2

  published Jun 12, 2025

• 1.12.3

  published Jun 12, 2025

• 1.13.0

  published Jun 18, 2025

• 1.13.1

  published Jun 23, 2025

• 1.13.2

  published Jun 26, 2025

• 1.13.3

  published Jul 1, 2025

53 Pull requests merged by 31 people

• Bump version to 1.13.3

  #719 merged Jul 1, 2025

• Returning undefined from discoverOAuthMetadata for CORS errors

  #717 merged Jul 1, 2025

• Added Sampling Example to README

  #698 merged Jun 30, 2025

• docs: add error handling when it fails to start HTTP server

  #371 merged Jun 30, 2025

• doc minimum node version requirment

  #463 merged Jun 30, 2025

• fix: add type safety for tool output schemas in ToolCallback

  #670 merged Jun 30, 2025

• fix: Expose the MCP child process PID as an accessible property in StdioClientTransport

  #455 merged Jun 30, 2025

• fix: missing "properties" property in empty schema

  #598 merged Jun 30, 2025

• fix: extra headers when they are a Headers object

  #571 merged Jun 27, 2025

• add overloads for registerResource method in McpServer class

  #661 merged Jun 27, 2025

• fix: add windows env PROGRAMFILES, avoid some exe can not be found

  #386 merged Jun 27, 2025

• fix: add missing eventsource-parser dependency

  #424 merged Jun 27, 2025

• fix lint

  #704 merged Jun 27, 2025

• Implement DNS Rebinding Protections per spec

  #565 merged Jun 27, 2025

• Update version of the package to 1.13.2

  #701 merged Jun 26, 2025

• test(server): add more tests for SSEServerTransport class

  #391 merged Jun 26, 2025

• Bump formidable from 3.5.2 to 3.5.4 in the npm_and_yarn group across 1 directory

  #428 merged Jun 26, 2025

• docs: Add clarifying comments for stateless streamable HTTP endpoints

  #542 merged Jun 26, 2025

• Pr/protocol overwriting transport hooks

  #477 merged Jun 26, 2025

• Update readme file to include a tip to allow mcp-session-id in CORS when using StreamableHTTP

  #633 merged Jun 25, 2025

• Raw request propagation in tools - passed to callbacks via RequestHandlerExtra<ServerRequest, ServerNotification>

  #627 merged Jun 25, 2025

• Show session id per request in simpleStreamableHttp example server

  #640 merged Jun 25, 2025

• feat(shared/auth): support software_statement in OAuthClientMetadata

  #696 merged Jun 25, 2025

• fix: skip validation if tool reports error

  #655 merged Jun 24, 2025

• [auth] refactor resource selection to not include resource if PRM is not present

  #693 merged Jun 24, 2025

• Fallback for /.well-known/oauth-authorization-server dropping path

  #692 merged Jun 24, 2025

• Fix /.well-known/oauth-authorization-server dropping path

  #687 merged Jun 24, 2025

• 1.13.1

  #683 merged Jun 23, 2025

• fix(client/sse): extract protected resource from eventsource 401

  #675 merged Jun 20, 2025

• [auth] adjust default validation for resource parameter in client flow, and server example

  #664 merged Jun 20, 2025

• feat: remove console statements from SDK code

  #668 merged Jun 20, 2025

• build: add watching script targets for build & simple streamable http server

  #663 merged Jun 19, 2025

• simpleStreamableHttp: fix example code

  #660 merged Jun 19, 2025

• bump version to 1.13.0

  #659 merged Jun 18, 2025

• rename decline to reject

  #657 merged Jun 18, 2025

• RFC 8707 Resource Indicators Implementation

  #638 merged Jun 18, 2025

• change version

  #647 merged Jun 17, 2025

• update latest protocol version

  #643 merged Jun 17, 2025

• remove hasCustomTitle

  #645 merged Jun 17, 2025

• Jerome/fix/dev oauth server required scopes change

  #629 merged Jun 17, 2025

• update _meta usage guidance in types.ts

  #639 merged Jun 16, 2025

• Introduce Elicitation capability

  #520 merged Jun 16, 2025

• Add missing _meta fields to match spec requirements

  #636 merged Jun 16, 2025

• Include context into completions

  #634 merged Jun 16, 2025

• Add support for resource link

  #632 merged Jun 16, 2025

• Add title to tools, resources, prompts

  #631 merged Jun 16, 2025

• Adds _meta to additional interface types

  #630 merged Jun 16, 2025

• Rename ResourceReference to ResourceTemplateReference

  #619 merged Jun 15, 2025

• feat: implement MCP-Protocol-Version header requirement for HTTP transport

  #614 merged Jun 13, 2025

• 1.12.3

  #623 merged Jun 12, 2025

• Adding tests to prevent regressions for: fixes metadata for listed resources from resource templates so that they favor their own metadata

  #621 merged Jun 12, 2025

• fixes metadata for listed resources from resource templates so that they favor their own metadata

  #574 merged Jun 12, 2025

• fix: Ensure completions capability is registered on setCompletionRequestHandler call

  #546 merged Jun 10, 2025

18 Pull requests opened by 14 people

• feat: allow OIDC configuration for OAuth server

  #585 opened Jun 3, 2025

• Add flush method to StreamableHTTPServerTransport

  #591 opened Jun 4, 2025

• Add `pathVariableNames` and `queryVariableNames` getters in `UriTemplate`

  #609 opened Jun 10, 2025

• Remove zod inference and use explicit TypeScript types

  #612 opened Jun 11, 2025

• Fix OAuthProxyProviderClient validation

  #620 opened Jun 12, 2025

• fix: expose ./dist/cjs/types.js in package.json exports for @modelcon…

  #646 opened Jun 17, 2025

• feat: support oidc discovery in client sdk

  #652 opened Jun 18, 2025

• Exposing session id for browser clients

  #656 opened Jun 18, 2025

• Add OIDC ID token support

  #680 opened Jun 22, 2025

• Add prompt=consent for OIDC offline_access scope

  #681 opened Jun 22, 2025

• Allow enum in registerPrompt argsSchema

  #710 opened Jun 29, 2025

• feat: add enabled parameter support for tool registration

  #712 opened Jun 30, 2025

• feat: Add CORS configuration for browser-based MCP clients

  #713 opened Jun 30, 2025

• Support for multi-instance shttp MCP server deployments

  #718 opened Jul 1, 2025

• [auth]: support oauth client_secret_basic / none / custom methods

  #720 opened Jul 1, 2025

• Allow custom fetch

  #721 opened Jul 1, 2025

• Preserve paths when building PRM URL, per specification.

  #722 opened Jul 1, 2025

• [auth]: revision of support oauth client_secret_basic / none / custom methods

  #723 opened Jul 2, 2025

24 Issues closed by 11 people

• Support for acessing request headers from within a tool/resource/prompt

  #544 closed Jun 30, 2025

• Add Sampling Examples to Documentation

  #697 closed Jun 30, 2025

• Add type safety for structuredContent in ToolCallback with outputSchema

  #669 closed Jun 30, 2025

• DELETE ME

  #711 closed Jun 30, 2025

• requestInit.headers do not work

  #569 closed Jun 27, 2025

• Missing or wrong structuredContent blocks tools from reporting error

  #654 closed Jun 24, 2025

• MCP Clients triggering auth flow repeatedly

  #679 closed Jun 22, 2025

• Pass a resource parameter in the authorization URL when using oauth-protected-resource during OAuth

  #592 closed Jun 18, 2025

• update typescript auth example to demonstrate RFC 8707 resource parameter validation

  #635 closed Jun 18, 2025

• Streamable HTTP: Tool call with outputSchema returns empty object {}

  #649 closed Jun 17, 2025

• update latest version in SDK

  #610 closed Jun 17, 2025

• McpServer 类型缺少 setRequestHandler 方法导致 ts(2339) 编译错误

  #644 closed Jun 17, 2025

• Introduce elicitation as new client capability

  #606 closed Jun 16, 2025

• include previously-resolved variables in completions request

  #603 closed Jun 16, 2025

• Add ResourceLink to CallToolResult

  #618 closed Jun 16, 2025

• Encourage title properties/usage for objects/resources

  #624 closed Jun 16, 2025

• feat: Adds _meta to additional interface types. #710

  #625 closed Jun 16, 2025

• How can I debug the server?

  #589 closed Jun 15, 2025

• require negotiated version when using HTTP

  #604 closed Jun 13, 2025

• Rename ResourceReference to ResourceTemplateReference

  #602 closed Jun 13, 2025

• auth spec implementation

  #607 closed Jun 13, 2025

• add Tool.outputSchema and CallToolResult.structuredContent

  #605 closed Jun 10, 2025

• Create Development Utilities MCP Server Template with SSE Support

  #597 closed Jun 8, 2025

• tsc fails with TS2416

  #582 closed Jun 2, 2025

51 Issues opened by 44 people

• [RFC] Strategic Roadmap for Enterprise-Grade TypeScript MCP SDK

  #716 opened Jul 1, 2025

• OAuth - .well-known files must allow OPTIONS and not GET only

  #715 opened Jun 30, 2025

• Add manual way of registering a user without Dynamic Client Registration

  #714 opened Jun 30, 2025

• The bun environment failed to compile,bun:1.2.17,@modelcontextprotocol/sdk:1.13.2

  #709 opened Jun 29, 2025

• Need an example to implement dynamic client registration against an existing oauth server

  #707 opened Jun 27, 2025

• Prompts - Metadata attributes in prompt registration, similar to resource metadata or tool annotations

  #703 opened Jun 27, 2025

• Zod transform functions are lost during JSON Schema conversion, breaking union types

  #702 opened Jun 27, 2025

• SDK Crashes on Hot Reload Due to Invalid JSON in Stdio Stream

  #700 opened Jun 26, 2025

• McpServer class using an outputSchema gobbles thrown errors from tool calls

  #699 opened Jun 25, 2025

• Patched n8n to play nicely with Roo's MCPs

  #695 opened Jun 24, 2025

• 공식 문서와 실제 npm/github 배포본의 차이, 그리고 McpServer/registerTool 기반 MCP 서버를 실제로 사용할 수 없는 문제

  #694 opened Jun 24, 2025

• Resource completion performance: Consider client-side caching and fuzzy filtering

  #690 opened Jun 23, 2025

• Elicitation feature fails on Cloudflare Workers due to AJV code generation (EvalError: Code generation from strings disallowed)

  #689 opened Jun 23, 2025

• Resource Templates: Support for display names vs values in completion and better handling of special characters in URI paths

  #688 opened Jun 23, 2025

• Claude Desktop doesn't use resources of my MCP server

  #686 opened Jun 23, 2025

• Tool `inputSchema` and `outputSchema` do not support JSON Schema

  #685 opened Jun 23, 2025

• Access to stderr stream in StdioClientTransport

  #684 opened Jun 23, 2025

• Dynamic MCP Tool Registration Not Available Mid-Chain or Same Cycle

  #682 opened Jun 23, 2025

• ResourceTemplate completion functions need access to previous parameter values for context-aware auto-completion

  #678 opened Jun 21, 2025

• ResourceTemplate fails when user selects <Empty> for optional parameter

  #677 opened Jun 21, 2025

• OAuth Request Should Accept client_id and client_secret via Headers, Not Just in the Request Body

  #676 opened Jun 20, 2025

• Please add the ability to supply the the registerClient and defaultScopes to the ProxyOAuthServerProvider

  #674 opened Jun 20, 2025

• please add PROGRAMFILES to getDefaultEnvironment

  #673 opened Jun 20, 2025

• [auth] Handle dynamically selecting scopes in client authorization url

  #672 opened Jun 20, 2025

• Add code formatters

  #671 opened Jun 20, 2025

• Example on README.md error

  #667 opened Jun 20, 2025

• Support Zod schema with Elicitation?

  #662 opened Jun 19, 2025

• update server examples to cover external authentication servers

  #658 opened Jun 18, 2025

• enhance auth server discovery with OAuth2 and OIDC metadata support

  #653 opened Jun 18, 2025

• The compatibility issue of Nextjs.

  #651 opened Jun 18, 2025

• Dynamic Resources 404 when using nested paths

  #650 opened Jun 17, 2025

• The property 'setRequestHandler' does not exist on type 'McpServer'. ts(2339)

  #642 opened Jun 17, 2025

• Even the Quickstart didnt work?

  #641 opened Jun 17, 2025

• ChatGPT calling MCP does not receive the errors

  #628 opened Jun 14, 2025

• Provide an option to increase request payload size in server implementation

  #626 opened Jun 13, 2025

• MCP Server not receiving input arguments

  #622 opened Jun 12, 2025

• Can we support in memory virtual MCP Server?

  #617 opened Jun 12, 2025

• OAuth metadata discovery: fall back to openid-configuration

  #616 opened Jun 11, 2025

• Option to turn off all `console` logging

  #615 opened Jun 11, 2025

• Request handlers not cancelled when transport connection closes unexpectedly

  #611 opened Jun 11, 2025

• invalid_client not passed through during authorization flow

  #608 opened Jun 10, 2025

• mcpAuthRouter ignores path of baseUrl

  #600 opened Jun 9, 2025

• Missing example how to read headers in tools Streamable HTTP

  #599 opened Jun 9, 2025

• OutputSchema in McpServer.tool is never used

  #595 opened Jun 6, 2025

• OutputSchema in ResiterTool can only take non-nullable schema

  #594 opened Jun 5, 2025

• Minor Issues in MCP Node.js Quickstart Documentation (Typo & Async Clarification)

  #590 opened Jun 4, 2025

• Feature request: accept param spec as `ZodType` instead of `ZodRawShape`

  #588 opened Jun 3, 2025

• protocol overwriting transport hooks

  #586 opened Jun 3, 2025

• SDK assumes one authorization server to be used from PRM

  #584 opened Jun 3, 2025

• bug: custom url prefix gets overwritten in `sse`

  #583 opened Jun 2, 2025

• Enforcing Content-Type header on client requests

  #581 opened Jun 2, 2025

52 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• Import Node.js APIs with `node:` prefix

  #349 commented on Jul 1, 2025 • 9 new comments

• Fix phantom dependencies

  #575 commented on Jun 27, 2025 • 4 new comments

• fix(client): Some mcp server need default env(#393, #196)

  #394 commented on Jul 2, 2025 • 4 new comments

• Adding `invalidateCredentials()` to `OAuthClientProvider`

  #570 commented on Jun 25, 2025 • 3 new comments

• Improve stdio test Windows compatibility and refactor command logic

  #284 commented on Jun 27, 2025 • 3 new comments

• Upgrade local node version to v20.10.0

  #282 commented on Jun 27, 2025 • 2 new comments

• refactor: use computed property names

  #456 commented on Jun 27, 2025 • 2 new comments

• add custom headers on initial _startOrAuth call

  #318 commented on Jun 30, 2025 • 2 new comments

• fix(server): validate expiresAt token value for non existence

  #446 commented on Jun 30, 2025 • 1 new comment

• Fix stderr output

  #228 commented on Jun 30, 2025 • 0 new comments

• Added auto-refreshing tool list notification handler to client

  #239 commented on Jun 30, 2025 • 0 new comments

• Add error handling tests for InMemoryTransport

  #279 commented on Jun 26, 2025 • 0 new comments

• Add comprehensive tests for WebSocketClientTransport

  #295 commented on Jun 26, 2025 • 0 new comments

• feat(client/sse): allow custom fetch implementation

  #296 commented on Jul 1, 2025 • 0 new comments

• Jsonrpc refactor

  #298 commented on Jun 26, 2025 • 0 new comments

• Ensuring stdio transport closure despite server hanging. Fixing #271

  #314 commented on Jun 27, 2025 • 0 new comments

• fix: Forwarding EventSource headers to requests to reuse EventSource…

  #339 commented on Jun 26, 2025 • 0 new comments

• Add StdioParseError for improved error handling in stdio stream processing

  #357 commented on Jun 26, 2025 • 0 new comments

• feat(server): support json schema to define tool parameters

  #423 commented on Jun 26, 2025 • 0 new comments

• fix(client/streamableHttp): retry sendMessage on 401

  #425 commented on Jun 27, 2025 • 0 new comments

• optimization: When using custom SSE request,`Authorization` header can still be automatically attached to the SSE request.

  #478 commented on Jun 25, 2025 • 0 new comments

• feature(auth): Allow delegating OAuth authorization to existing app-level implementations

  #485 commented on Jul 1, 2025 • 0 new comments

• sample: Add a sample using a group of MCP clients.

  #486 commented on Jun 30, 2025 • 0 new comments

• #547 kill the child process if it's not properly terminated by stdio.…

  #548 commented on Jun 30, 2025 • 0 new comments

• chore: update package.json exports

  #551 commented on Jun 27, 2025 • 0 new comments

• Setting up pkg.pr.new

  #567 commented on Jul 2, 2025 • 0 new comments

• Support the resources/subscribe method

  #558 commented on Jun 3, 2025 • 0 new comments

• OAuth authentication flow should use scopes_supported of Protected Resource Metadata

  #580 commented on Jun 4, 2025 • 0 new comments

• resolve builds for esm.sh

  #293 commented on Jun 5, 2025 • 0 new comments

• Error [ERR_PACKAGE_PATH_NOT_EXPORTED] when importing @modelcontextprotocol/sdk

  #427 commented on Jun 5, 2025 • 0 new comments

• How to use MCP client in a multi-user application?

  #243 commented on Jun 5, 2025 • 0 new comments

• Cannot find module '/node_modules/@modelcontextprotocol/sdk/dist/esm/server/index.js'

  #460 commented on Jun 5, 2025 • 0 new comments

• OAuth Flow Fails: Expected contacts as Array, Received Null

  #543 commented on Jun 10, 2025 • 0 new comments

• simplify return types

  #119 commented on Jun 11, 2025 • 0 new comments

• [Bug/Documentation Improvement] - How to pass authentication context into tool calls

  #397 commented on Jun 11, 2025 • 0 new comments

• "Type instantiation is excessively deep and possibly infinite" typescript error when importing ToolCallback type

  #494 commented on Jun 11, 2025 • 0 new comments

• How to use prompts and resources in MCP servers? Can prompts and resources be reused or called from tools?

  #481 commented on Jun 13, 2025 • 0 new comments

• SSE client is not adding headers from requestInit? in _commonHeaders method

  #436 commented on Jun 13, 2025 • 0 new comments

• Adopting Standard Schema

  #164 commented on Jun 15, 2025 • 0 new comments

• Multiple clients to the same SSE connection?

  #204 commented on Jun 18, 2025 • 0 new comments

• Running MCP tools from Docker doesn't properly terminate the container

  #547 commented on Jun 18, 2025 • 0 new comments

• Client does not work in Browser

  #556 commented on Jun 20, 2025 • 0 new comments

• Tools should be able to receive custom object

  #421 commented on Jun 22, 2025 • 0 new comments

• Zod 4 supported

  #555 commented on Jun 23, 2025 • 0 new comments

• error code -32000 Bad Request: Server not initialized with StreamableHTTPServerTransport

  #408 commented on Jun 25, 2025 • 0 new comments

• mcp client times out after 60 seconds (ignoring timeout option)

  #245 commented on Jun 25, 2025 • 0 new comments

• Module resolution issues with TypeScript ESM imports

  #218 commented on Jun 25, 2025 • 0 new comments

• (bug) Unable to resolve "@modelcontextprotocol/sdk/client/index"

  #511 commented on Jun 26, 2025 • 0 new comments

• StdioServerTransport failing to connect on Claude for Macos

  #554 commented on Jun 26, 2025 • 0 new comments

• Resolving Authorization server metadata URL omits the base path of the Authorization server URL

  #545 commented on Jun 27, 2025 • 0 new comments

• Support JSON schema in addition to zod

  #283 commented on Jun 28, 2025 • 0 new comments

• Consider adding Hono examples

  #385 commented on Jun 29, 2025 • 0 new comments