1 Release published by 1 person

• v1.9.3

  published Jun 5, 2025

6 Pull requests merged by 6 people

• normalize string ID to int in server messages for compatibility

  #851 merged Jun 8, 2025

• Use total_seconds instead of seconds on timeout

  #896 merged Jun 7, 2025

• feat: support audio content

  #725 merged Jun 7, 2025

• Support Cursor OAuth client registration

  #895 merged Jun 7, 2025

• fix wrong order of comments

  #899 merged Jun 7, 2025

• improve server logging

  #867 merged Jun 2, 2025

11 Pull requests opened by 10 people

• User should set RootsListChanged capability

  #871 opened Jun 3, 2025

• Improved docs for better clarity on mounting ASGI apps

  #873 opened Jun 3, 2025

• Unit Test Fix - Update concurrency test duration threshold and logging for clarity

  #878 opened Jun 3, 2025

• relax validation

  #879 opened Jun 3, 2025

• Adding Client Credentials to Auth

  #882 opened Jun 4, 2025

• Cleans read stream writers list

  #893 opened Jun 6, 2025

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

  #898 opened Jun 7, 2025

• Doc update + validation in SseServerTransport + existing test fixes: addresses Issue: #827

  #900 opened Jun 7, 2025

• readme updated

  #901 opened Jun 7, 2025

• Fix: Convert sync tests using async fixtures to async tests

  #903 opened Jun 8, 2025

• Added functions read_resource and resource_templates from client/session.py to client/session_group.py

  #905 opened Jun 8, 2025

4 Issues closed by 3 people

• Extend SSETransport to refresh bearer token

  #904 closed Jun 8, 2025

• import error

  #888 closed Jun 7, 2025

• Support Custom URI Schemes (e.g., `cursor://`) for OAuth Redirect URIs

  #897 closed Jun 7, 2025

• can you add suport for ssl certfice in sse client?

  #884 closed Jun 4, 2025

18 Issues opened by 18 people

• Test failures in test_auth.py: sync tests using async fixtures

  #902 opened Jun 8, 2025

• NUL bytes appear in SSE stream, corrupting clients

  #894 opened Jun 6, 2025

• Validation error when listing resources in simple-resource server example

  #892 opened Jun 6, 2025

• unsupported operand type(s) for +: 'dict' and 'str'", annotations=None)], isError=True)

  #891 opened Jun 6, 2025

• Support authorization without client registration when disabled via config

  #890 opened Jun 6, 2025

• How to receive notifications on mcp client side?

  #889 opened Jun 5, 2025

• Reload module after run session.initialize()?

  #887 opened Jun 5, 2025

• How to print variable in server side functions

  #886 opened Jun 4, 2025

• Tool Calling after agent outputs

  #885 opened Jun 4, 2025

• AssertionError: Unexpected message while using middlewares

  #883 opened Jun 4, 2025

• Client Credentials In the token Handler

  #881 opened Jun 3, 2025

• How to actually build session persistence in streamable http MCP server?

  #880 opened Jun 3, 2025

• Request Hooks/Lifecycle Callbacks for Telemetry and Observability

  #877 opened Jun 3, 2025

• how to connect a SSE server with streamable-http client

  #876 opened Jun 3, 2025

• how to broadcast "notifications/tools/list_changed" to all client

  #875 opened Jun 3, 2025

• Cannot break out of session.initialize() when using streamable-http

  #874 opened Jun 3, 2025

• Mounting ASGI apps with a different named routes

  #872 opened Jun 3, 2025

• Add SSL Certificate Verification Options to FastMCP Client

  #870 opened Jun 2, 2025

33 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.

• Fix uncaught exception in MCP server

  #822 commented on Jun 8, 2025 • 4 new comments

• Fix: Prevent session manager shutdown on individual session crash

  #841 commented on Jun 8, 2025 • 2 new comments

• adding multiple servers using the ClientSessionGroup, an error occurs when closing the connection

  #788 commented on Jun 2, 2025 • 0 new comments

• Python lint: Ruff rules for pylint and code complexity

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

• Update README's auth block

  #620 commented on Jun 8, 2025 • 0 new comments

• add Tool.outputSchema and CallToolResult.structuredContent

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

• feat: support embedded resources in sampling

  #727 commented on Jun 2, 2025 • 0 new comments

• Subprocess kill win32

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

• fix: improve misleading warning for progress callback exceptions

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

• Fix OAuth metadata validation for compliant servers

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

• Add OAuth Protected Resource Metadata support

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

• Docs: Update CallToolResult parsing in README

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

• Add Enhanced Tool Definition Interface (ETDI): Prevents Tool Poisoning and Rug Pull Attacks with Immutable Versioned Definitions, Cryptographic Signing, Granular Permissions, Trust Chains, and OAuth 2.0 Integration

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

• Use 120 characters instead of 88

  #856 commented on Jun 2, 2025 • 0 new comments

• docs: fix dev server command in README (#848)

  #859 commented on Jun 7, 2025 • 0 new comments

• Deleted hanging `prompt_manager.py` module since no file was using it.

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

• Feature/617 async call tools

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

• MCP SSE Server: Received request before initialization was complete

  #423 commented on Jun 2, 2025 • 0 new comments

• MCP server with STDIO transport throws an 'Error: SSE connection not established' when attempting to connect via MCP Inspector

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

• Resumption of streamable HTTP session has potential for deadlock

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

• SDKs and other middleware SHOULD allow these timeouts to be configured on a per-request basis.

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

• OAuthMetadata as define is too restrivtive, hence produces a ValidationError

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

• Add support for grouping tools in MCP Python SDK

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

• How tools should be created to use images in Claude Desktop?

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

• How to use progress token for the tool call?

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

• Auth for MCP - Starlette middleware vs. OAuthAuthorizationServerProvider

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

• Context logging function types are not spec compliant

  #397 commented on Jun 6, 2025 • 0 new comments

• Stateless Mode memory leak

  #756 commented on Jun 6, 2025 • 0 new comments

• Question: How to authorise a client with Bearer header with SSE?

  #431 commented on Jun 6, 2025 • 0 new comments

• [question]: why max_tokens is a required param when send sampling/createMessage

  #828 commented on Jun 6, 2025 • 0 new comments

• how to manage multi streamable http server lifespan

  #713 commented on Jun 6, 2025 • 0 new comments

• SseServerTransport should better handle the quoting the post message endpoint.

  #827 commented on Jun 7, 2025 • 0 new comments

• Client example 'mcp_simple_auth' cannot connect to the server

  #768 commented on Jun 8, 2025 • 0 new comments