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LangChain Academy Module2 Online MCP Issue - uvx file Not Found

Status: Open.

#403 In langchain-ai/langchain-mcp-adapters;

· boukisge opened on Dec 26, 2025

MultiServerMCPClient Failed if one of the MCP are down

Status: Open.

#401 In langchain-ai/langchain-mcp-adapters;

· choudhary-ai opened on Dec 23, 2025

Having Troubles Getting OnlineMCP Tools

Status: Open.

#400 In langchain-ai/langchain-mcp-adapters;

· MartinYTSo opened on Dec 19, 2025

How to send custom stream events from an MCP Client to an app connected to an agent, similar to <code>get_stream_writer</code> (langgraph) with <code>custom</code> mode?

Status: Open.

#398 In langchain-ai/langchain-mcp-adapters;

· tdkhang305-glitch opened on Dec 17, 2025

Issue: Anthropic Messages API returns 400: tool_result.content.0.text.id from _convert_call_tool_result is rejected as “extra input”

Status: Open.

#397 In langchain-ai/langchain-mcp-adapters;

· chuck-samaya opened on Dec 17, 2025

stdio npx MCP server not work

Status: Open.

#388 In langchain-ai/langchain-mcp-adapters;

· caster-Q opened on Dec 8, 2025

Error Installing conda-forge::langchain-mcp-adapters with Mamba (Affecting Langchain v1.1.2; Keep Asking for Downgrading to Langchain v0.3.27)

Status: Open.

#386 In langchain-ai/langchain-mcp-adapters;

· yenon118 opened on Dec 8, 2025

LanGraph expects exception <code>ToolInvocationError</code> when the invokation in a <code>ToolNode</code>

bugSomething isn't workingSomething isn't working

Status: Open.

#368 In langchain-ai/langchain-mcp-adapters;

· jgomezve opened on Nov 19, 2025

Use interceptors for session/stateful tool calls

Status: Open.

#362 In langchain-ai/langchain-mcp-adapters;

· jplattel opened on Nov 10, 2025

stdio is more slower than http

Status: Open.

#320 In langchain-ai/langchain-mcp-adapters;

· feng-1985 opened on Sep 22, 2025

Issue: <code>UnboundLocalError</code> in <code>call_tool</code> on Client Disconnect — Due to Uninitialized Variable

bugSomething isn't workingSomething isn't working

Status: Open.

#314 In langchain-ai/langchain-mcp-adapters;

· TBice123123 opened on Sep 15, 2025

Summary of issues (internal)

Status: Open.

#312 In langchain-ai/langchain-mcp-adapters;

· eyurtsev opened on Sep 10, 2025