9 Pull requests merged by 7 people

• Update text to make clear Elicitation is not directly associated with…

  #1062 merged Jul 7, 2025

• Fix Pydantic field alias consistency in structured output

  #1099 merged Jul 7, 2025

• fix: Expose completions capability

  #865 merged Jul 7, 2025

• Fix async resource functions not being awaited

  #1092 merged Jul 6, 2025

• tests: add lowest dependency tests

  #1067 merged Jul 6, 2025

• Embed code snippets for README from executable examples

  #1055 merged Jul 4, 2025

• fix: support "form_post" to be one of response modes in authorization server metadata validation

  #1046 merged Jul 4, 2025

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

  #859 merged Jul 4, 2025

• chore: bump ruff

  #1085 merged Jul 4, 2025

7 Pull requests opened by 5 people

• Add regression test for issue #1027

  #1069 opened Jul 1, 2025

• Implement RFC9728 - Support WWW-Authenticate header by MCP client

  #1071 opened Jul 2, 2025

• DRAFT: FEAT: enables oauth proxy capability

  #1075 opened Jul 3, 2025

• Improve child process termination on POSIX & Windows

  #1078 opened Jul 3, 2025

• Implemented runtime tools

  #1089 opened Jul 4, 2025

• fweinberger/align shutdown with spec

  #1091 opened Jul 4, 2025

• Extract BaseSession request ID increment logic

  #1102 opened Jul 7, 2025

31 Issues closed by 9 people

• Running into an `ImportError` when executing the MCP client in `examples/servers/simple-tool`

  #1101 closed Jul 8, 2025

• Inconsistent Field Naming Between `outputSchema` and `model_dump`

  #1073 closed Jul 7, 2025

• The cleanup procedure after "yield" in lifespan is unreachable on Windows

  #1027 closed Jul 7, 2025

• MCP Client -> Server authentication just using a provided access token

  #1083 closed Jul 6, 2025

• Multiple bugs in `mcp` library related to async context management

  #1095 closed Jul 6, 2025

• Adding run_ws_async to FastMCP

  #411 closed Jul 6, 2025

• [Feature Proposal] Dynamic Server Management with McpClientManager + FastAPI

  #581 closed Jul 6, 2025

• How can i set timeout for httpx.AsyncClient in mcp/client/sse.py

  #646 closed Jul 6, 2025

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

  #891 closed Jul 6, 2025

• `title` Keyword Argument

  #985 closed Jul 6, 2025

• Best ways to contribute / onboard into python sdk dev

  #429 closed Jul 6, 2025

• After "uv run mcp" getting TypeError: Parameter.make_metavar() missing 1 required positional argument: 'ctx'

  #688 closed Jul 6, 2025

• SSE 路径带上key，messages/接口如何获取到这个key，进行message消息里的auth认证

  #497 closed Jul 6, 2025

• **Memory Leak** in MCP Server – will be a memory leak until OOM (Out of Memory) occurs

  #1076 closed Jul 6, 2025

• Enhance MCP Concurrency and Context Management

  #1093 closed Jul 6, 2025

• RunnableConfig parameter is not injected in MCP tools as it is in local LangChain tools

  #809 closed Jul 6, 2025

• README is full of errors.

  #269 closed Jul 5, 2025

• Call to `hatchling.build.prepare_metadata_for_build_editable` failed

  #660 closed Jul 5, 2025

• Readme is not up to date

  #848 closed Jul 5, 2025

• Recommend adding tip about tool description to README

  #319 closed Jul 5, 2025

• Question: How to pass environment variable from MCP client to MCP server (sse_client)

  #442 closed Jul 5, 2025

• Error getting the version from source `uv-dynamic-versioning`: This does not appear to be a Git project

  #454 closed Jul 5, 2025

• Explicitly warn people about nodejs usage in README

  #519 closed Jul 5, 2025

• VSCode cannot connect? Failing with `405 Method Not Allowed`

  #530 closed Jul 5, 2025

• Failed to run server: No module named 'sqlalchemy'

  #605 closed Jul 5, 2025

• Leverage Pytest-Xdist for Faster and Cleaner Test Runs

  #736 closed Jul 5, 2025

• add a 'params' arguments for tools/list request

  #1013 closed Jul 5, 2025

• Requesting the mcp server through the mcp stdio method cannot correctly read the environment variables

  #1064 closed Jul 5, 2025

• Empty tools list when calling tools/list method

  #1030 closed Jul 3, 2025

• A JavaScript error occurred in the main process

  #1082 closed Jul 3, 2025

• Errors during cleanup when using streamablehttp_client with AsyncExitStack instead of async with

  #831 closed Jul 3, 2025

16 Issues opened by 16 people

• StreamableHTTP session manager shutting down

  #1104 opened Jul 8, 2025

• MCP client not able to initiate StdioServerParameters while running in Jupyter Notebook

  #1103 opened Jul 8, 2025

• MCP connection fails silently

  #1100 opened Jul 7, 2025

• Can we have Node.js example of this Chatbot example

  #1098 opened Jul 7, 2025

• Roots/List Request Hangs in Client-Server Communication

  #1097 opened Jul 6, 2025

• Error: TypeError: this._buffer.subarray is not a function

  #1096 opened Jul 6, 2025

• how to pass the token to the MCP Server side

  #1094 opened Jul 5, 2025

• An error exists in the elicitation example

  #1084 opened Jul 4, 2025

• Unexpected behavior of streamable-http transport on public server

  #1081 opened Jul 3, 2025

• How to handle user file inputs/outputs in MCP python?

  #1080 opened Jul 3, 2025

• Missing OPTIONS handler for Streamable HTTP

  #1079 opened Jul 3, 2025

• how to connect streamble http server by domain?

  #1077 opened Jul 3, 2025

• Errors with Streamble HTTP

  #1072 opened Jul 3, 2025

• Unexpected connection closed

  #1070 opened Jul 2, 2025

• FastMCP 2.0 vs MCP Python SDK Server

  #1068 opened Jul 1, 2025

• MCP Completion Issue

  #1065 opened Jul 1, 2025

47 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.

• Unify process termination on POSIX & Windows (+ tests)

  #1044 commented on Jul 7, 2025 • 5 new comments

• #552

  #707 commented on Jul 1, 2025 • 4 new comments

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

  #1059 commented on Jul 7, 2025 • 3 new comments

• chore: add markdownlint on pre-commit hook and lint md files

  #996 commented on Jul 7, 2025 • 2 new comments

• Improved Trio support

  #946 commented on Jul 2, 2025 • 1 new comment

• Response ID-value not matching request value, due to default int

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

• Unable to work properly with SSE transport when perform long time task

  #503 commented on Jul 8, 2025 • 0 new comments

• Unable to add annotations data with @FastMCP.tool() decorator

  #511 commented on Jul 8, 2025 • 0 new comments

• Add SSL Certificate Verification Options to FastMCP Client

  #870 commented on Jul 8, 2025 • 0 new comments

• Is call_tool response streaming

  #470 commented on Jul 8, 2025 • 0 new comments

• feat: Add output schema generation for tools and update documentation

  #757 commented on Jul 8, 2025 • 0 new comments

• Align stdio shutdown sequence with spec

  #765 commented on Jul 6, 2025 • 0 new comments

• Implementation of the proposal for modular design

  #782 commented on Jul 7, 2025 • 0 new comments

• Feature: Async handling of sampling calls

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

• Fix child process kill error with npx based servers

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

• OAuth Update: Adding the Client Credentials & Token Exchange Grant Types

  #882 commented on Jul 8, 2025 • 0 new comments

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

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

• docs: add pre-commit install guide on CONTRIBUTING.md

  #995 commented on Jul 6, 2025 • 0 new comments

• fix: use normalized path for sse message endpoint

  #1000 commented on Jul 1, 2025 • 0 new comments

• Fix FastMCP integration tests and transport security

  #1001 commented on Jul 7, 2025 • 0 new comments

• The lifespan_context object here is not a dictionary like the other e…

  #1002 commented on Jul 6, 2025 • 0 new comments

• feat: default streamable_http_path to "/" for consistency

  #1007 commented on Jul 2, 2025 • 0 new comments

• Implement support for `client_credentials`

  #1020 commented on Jul 2, 2025 • 0 new comments

• Support falling back to OIDC metadata for auth

  #1061 commented on Jul 7, 2025 • 0 new comments

• Unable to run a minimal MCP server and testing it with mcp inspector.

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

• Claude Desktop never uses resources from my MCP server

  #1016 commented on Jul 1, 2025 • 0 new comments

• Issue: Custom HTTP Headers (e.g., mcp-session-id) Not Received by FastMCP Server

  #1063 commented on Jul 1, 2025 • 0 new comments

• how to get http request headers in mcp tools logic when i use streamable http mode to run mcp server ?

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

• Important - List Resource is not working

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

• AssertionError: Unexpected message while using middlewares

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

• Bug Report: CallToolResult serialization fails with "Input should be a valid dictionary" error

  #987 commented on Jul 3, 2025 • 0 new comments

• Pass Token Bearer from Client to MCP Server

  #998 commented on Jul 3, 2025 • 0 new comments

• inconsistent actions between python sdk and specification for Elicitation

  #1056 commented on Jul 4, 2025 • 0 new comments

• MCP server: AccessToken class should have field for subject claim ("sub")

  #1038 commented on Jul 4, 2025 • 0 new comments

• context.report_progress not sending notifications on streamable-http

  #953 commented on Jul 4, 2025 • 0 new comments

• The resource URL path is ignored when building the protected resource metadata URL

  #1052 commented on Jul 4, 2025 • 0 new comments

• support for cancellation in client and server

  #160 commented on Jul 5, 2025 • 0 new comments

• VSCode Support

  #1024 commented on Jul 6, 2025 • 0 new comments

• sse.py - fixing yield placement issue

  #642 commented on Jul 6, 2025 • 0 new comments

• Stateless Mode memory leak

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

• Allow installing mcp servers from local packages

  #762 commented on Jul 6, 2025 • 0 new comments

• MCP External Library Callback Support

  #755 commented on Jul 6, 2025 • 0 new comments

• mcp.shared.auth_utils package not available on main branch

  #1035 commented on Jul 7, 2025 • 0 new comments

• Add `Audio` to `fastmcp/types.py`

  #952 commented on Jul 7, 2025 • 0 new comments

• Need to add verify=False to steamablehttp_client

  #826 commented on Jul 7, 2025 • 0 new comments

• enhance auth server discovery with OAuth2 and OIDC metadata support

  #976 commented on Jul 7, 2025 • 0 new comments

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

  #880 commented on Jul 8, 2025 • 0 new comments