modelcontextprotocol/python-sdk issues and pull requests

#1823 - Is there an industry standard MCP for media handling and transient uploads?

Issue - State: open - Opened by davidbernat about 1 month ago
Labels: question

#1814 - Does anyone know what the problem is

Issue - State: closed - Opened by longz30 about 1 month ago - 1 comment
Labels: question

#1798 - Guide: Resolving "421 Invalid Host Header" (DNS Rebinding Protection)

Issue - State: open - Opened by Junyi-99 about 2 months ago - 4 comments
Labels: documentation, question, v2, P2

#1641 - MCP Server won't work with wildcard in "Accept" header and therefore is non‑compliant with HTTP spec

Issue - State: open - Opened by rh-fr 3 months ago
Labels: question

#1520 - How to access the current working directory when an MCP server is launched via `claude mcp add ... -- uvx my-mcp`

Issue - State: open - Opened by SepineTam 3 months ago - 2 comments
Labels: question

#1474 - Pyright

Issue - State: open - Opened by OS-anasantos 4 months ago
Labels: question

#1461 - not able to use bge model in mcp tool

Issue - State: open - Opened by userhellolhm 4 months ago - 2 comments
Labels: question, needs repro

#1460 - Not able to connect MCP server with OpenAI Connector

Issue - State: closed - Opened by mohankrishai08-alt 4 months ago - 6 comments
Labels: question, needs confirmation

#1456 - MCP Python SDK Protocol Version Initialize Handling Design Question

Issue - State: closed - Opened by younaman 4 months ago
Labels: question

#1446 - Question: MCP Python SDK Redirect URI Validation - Implementation Granularity?

Issue - State: closed - Opened by younaman 4 months ago
Labels: question, auth, P3

#1433 - Spec recommendation vs implementation inconsistency in resource URL trailing slash handling

Issue - State: closed - Opened by younaman 4 months ago - 1 comment
Labels: question, ready for work, P0

#1414 - How can I access the bearer token inside my MCP tool?

Issue - State: closed - Opened by abernardini-inc 4 months ago - 2 comments
Labels: question, auth

#1396 - Modifying LLM response output with tools

Issue - State: closed - Opened by kappagamma25 4 months ago - 2 comments
Labels: question

#1393 - Lazy HTTP connections seem to make error handling difficult.

Issue - State: open - Opened by caffeinism 4 months ago
Labels: question

#1388 - How to create tools with optional params

Issue - State: open - Opened by mukuagar 5 months ago
Labels: question

#1383 - MCP weather issue when using Docker deployed on to Azure App Service when using mcp>=1.10.0

Issue - State: closed - Opened by jamesmkfoo23 5 months ago - 8 comments
Labels: question, needs confirmation

#1373 - Tool with argumemnt annotated as Enum string requires input to be explicitly quoted?

Issue - State: closed - Opened by everdark 5 months ago - 1 comment
Labels: question, needs confirmation, claude desktop

#1362 - `mcp.server.fastmcp` vs `fastmcp`

Issue - State: closed - Opened by ChuckJonas 5 months ago - 1 comment
Labels: question

#1358 - How to handle any exception in `ClientSession`?

Issue - State: open - Opened by ChiNoel-osu 5 months ago
Labels: question

#1352 - How to use the OAuthClientProvider in a stateless environment?

Issue - State: closed - Opened by keurcien 5 months ago
Labels: question

#1349 - how to disable MCP server banner

Issue - State: closed - Opened by jainpratik163 5 months ago - 3 comments
Labels: question

#1345 - Simultaneously supporting both Transport Type

Issue - State: closed - Opened by F5Psyche 5 months ago - 1 comment
Labels: question

#1344 - Simultaneously supporting both Transport Type

Issue - State: open - Opened by F5Psyche 5 months ago
Labels: question

#1335 - Using /.well-known/ OAuth endpoints behind custom path on GKE

Issue - State: open - Opened by whitewg77 5 months ago
Labels: question

#1320 - mcp/resource issue when test with Claude Desktop

Issue - State: closed - Opened by barryzhounb 5 months ago - 2 comments
Labels: question

#1317 - Token based OAuth Authentication for MCP server

Issue - State: closed - Opened by ankurnigam 5 months ago - 2 comments
Labels: question

#1314 - Help: can't make the simples example work

Issue - State: closed - Opened by Garito 5 months ago - 5 comments
Labels: question

#1306 - “Instructions” option to server - what is that?

Issue - State: closed - Opened by nanandn 5 months ago - 2 comments
Labels: question

#1282 - 怎么实现类似https://open.bigmodel.cn/api/mcp/web_search/sse?Authorization= YOUR API Key 这样的授权功能

Issue - State: closed - Opened by sy960923 6 months ago
Labels: question

#1277 - How to get environment variables on the server?

Issue - State: open - Opened by ilvalerione 6 months ago
Labels: question

#1265 - Trailing slash in `.well-known/oauth-protected-resource` response may violate “Canonical Server URI” requirement

Issue - State: open - Opened by FakeDocument 6 months ago
Labels: question

#1241 - The SDK doesn't properly format Enums

Issue - State: closed - Opened by dnutiu 6 months ago - 1 comment
Labels: question

#1205 - Controlling Context in Client for Sampling Requests

Issue - State: open - Opened by yarnabrina 6 months ago
Labels: question

#1204 - Listing tools with streamable_client (with OAuth) is much slower when compared to the Inspector

Issue - State: open - Opened by keurcien 6 months ago
Labels: question

#1196 - How to Pass Non-Text Resources (Images, Videos, Audio) from an MCP Client to an MCP Server

Issue - State: closed - Opened by rango886 7 months ago - 1 comment
Labels: question

#1195 - Could python sdk support unix pipe example?

Issue - State: closed - Opened by wwulfric 7 months ago - 1 comment
Labels: question

#1187 - Should the MCP transport layers for server abide to a python Protocol ?

Issue - State: open - Opened by bh-rat 7 months ago
Labels: question

#1180 - FastMCP + Streamable Http : Session Management

Issue - State: closed - Opened by bluedog13 7 months ago - 4 comments
Labels: question

#1167 - Missing MCP Session id information in Server session

Issue - State: open - Opened by bhramaand 7 months ago
Labels: question

#1157 - How do i list all the tools in my mcp server in a custom route

Issue - State: closed - Opened by Keshavarvindh09 7 months ago - 2 comments
Labels: question

#1126 - Specifying capabilities w/ FastMCP Server

Issue - State: open - Opened by chrisagrams 7 months ago
Labels: question

#1125 - Is there a way to protect tools, ie auth parameters for @mcp.tool()?

Issue - State: open - Opened by Keshavarvindh09 7 months ago
Labels: question

#1124 - How to stream reponse back from MCP server to Client? (MCP Tool Streaming)

Issue - State: closed - Opened by ashish-2412 7 months ago - 1 comment
Labels: question

#1120 - How to create an inner decorator for tools?

Issue - State: open - Opened by BryanMakers 7 months ago
Labels: question

#1094 - how to pass the token to the MCP Server side

Issue - State: closed - Opened by Jasper-zh 7 months ago - 3 comments
Labels: question

#1083 - MCP Client -> Server authentication just using a provided access token

Issue - State: closed - Opened by HarrisonUnifyAI 7 months ago - 2 comments
Labels: question

#1080 - How to handle user file inputs/outputs in MCP python?

Issue - State: open - Opened by gqoew 7 months ago - 2 comments
Labels: question

#1068 - FastMCP 2.0 vs MCP Python SDK Server

Issue - State: open - Opened by AaronLeon 7 months ago - 1 comment
Labels: question

#1065 - MCP Completion Issue

Issue - State: open - Opened by nileshmalode11 7 months ago - 2 comments
Labels: question

#1064 - Requesting the mcp server through the mcp stdio method cannot correctly read the environment variables

Issue - State: closed - Opened by Jasper-zh 7 months ago - 1 comment
Labels: question

#1049 - oauth protected resource metadata URL

Issue - State: open - Opened by ke-yu 7 months ago - 2 comments
Labels: question

#1030 - Empty tools list when calling tools/list method

Issue - State: closed - Opened by sunishsheth2009 8 months ago - 2 comments
Labels: question

#1026 - Why does @mcp.resource() not handle Image return types the same as @mcp.tool()?

Issue - State: open - Opened by RLovelett 8 months ago
Labels: question

#1022 - how to handle mcp server down or reconnect?

Issue - State: open - Opened by amd-maheshs3 8 months ago
Labels: question

#1016 - Claude Desktop never uses resources from my MCP server

Issue - State: open - Opened by terrynguyen255 8 months ago
Labels: question

#998 - Pass Token Bearer from Client to MCP Server

Issue - State: closed - Opened by KKhalil01 8 months ago - 4 comments
Labels: question

#986 - How to get session_id in tool

Issue - State: closed - Opened by triangle959 8 months ago - 2 comments
Labels: question

#984 - Incompatibility of Last-Event-Id

Issue - State: closed - Opened by dugenkui03 8 months ago - 1 comment
Labels: question

#983 - Given a server configuration, how can I know if it's sse or streamablehttp server?

Issue - State: closed - Opened by DavdGao 8 months ago - 1 comment
Labels: question

#965 - How is it possible to avoid the "Endpoint origin does not match" exception?

Issue - State: open - Opened by palandlom 8 months ago - 3 comments
Labels: question, needs confirmation, needs repro

#964 - Remove a Tool (or Resource or Prompt) during server runtime

Issue - State: closed - Opened by ChristianSoraruf 8 months ago - 2 comments
Labels: question

#960 - Unclear maintainer status for FastMCP

Issue - State: closed - Opened by jshields 8 months ago - 5 comments
Labels: question

#951 - Request redirection for the MCP server mounted with FastAPI

Issue - State: closed - Opened by Archerll 8 months ago - 11 comments
Labels: question

#942 - How to expose mcp_session_id to user ?

Issue - State: open - Opened by sequoiar 8 months ago
Labels: question

#940 - how to list the tools of streamable mcpserver?

Issue - State: open - Opened by zhuzm 8 months ago
Labels: question

#938 - Working example- httpstreamable

Issue - State: closed - Opened by tampiss 8 months ago - 5 comments
Labels: question

#790 - MCP servers can not be accessed via Docker and docker-compose anymore.

Issue - State: closed - Opened by Vildnex 9 months ago - 6 comments
Labels: question, needs confirmation

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

Issue - State: closed - Opened by kelify 9 months ago - 8 comments
Labels: question

#583 - SSE connection not established while trying to list tools via inspector

Issue - State: closed - Opened by ASaiAnudeep 10 months ago - 2 comments
Labels: question

#476 - How to enforce Python version in MCP for Claude Desktop?

Issue - State: open - Opened by hao-cyber 10 months ago - 5 comments
Labels: question, needs confirmation

#344 - Q: Duplicate client request IDs?

Issue - State: closed - Opened by dongyuzheng 11 months ago - 3 comments
Labels: question, needs confirmation

#331 - How does the mcp server using the SSE design scheme ensure client session stickiness in a distributed architecture?

Issue - State: closed - Opened by tfgzs 11 months ago - 1 comment
Labels: documentation, question, ready for work, P1

GitHub / modelcontextprotocol/python-sdk issues and pull requests