Where does the bug appear (feature/product)? Cursor IDE Describe the Bug I am setting up MCP tools (that used to work). Those MCP tools are showing green and displaying the tool sets properly in the UI. But when I use the plan or agent mode and ask for available tools those added tools are not kno…

the latest update (Version: 2.2.43) seems to have fixed the issue. Let’ wait to have other peoples feedback and see if holds in time :slight_smile:

I too have this problem primarily with the Atlassian MCP. It works randomly, more often failing than succeeding. At this point its not practical to use, which is hugely disappointing as I really want this to be a part of my workflow. Version: 2.2.36 VSCode Version: 1.105.1 Commit: 55c9bc11e99cedd…

Hey, thanks for the report. This is a known issue - MCP tools show green status in the UI but are not accessible to the agent. The team is working on a fix. Similar cases: MCP servers are not accessible in Cursor Desktop chat despite no visible errors with connection and Agent has trouble detecting…

Here is the conversation ID for a failed attempt to add Jira issues to an Epic. a0a801f1-7d4e-4a84-bef1-ffe15291a056 2025-12-18 15:32:22.735 [info] Handling GetInstructions action 2025-12-18 15:32:35.477 [info] Handling CallTool action for tool 'getJiraIssue' 2025-12-18 15:32:35.478 [info] Calling …

Here’s some related posts about MCP bugs that your team needs to investigate as well:- [image] Windows mcp.json major bug with non-stdio servers Bug Reports Where does the bug appear (feature/product)? Cursor IDE Describe the Bug Cursor establishes N duplicat…

Just a note that I had to close and reopen Cursor for MCP tools to become visible in the chat with v2.2.43. The only MCP server I am still having issues with is hf-mcp-server from HuggingFace. It still does not work even in this latest Cursor version. I have opened a separate thread for: Cursor agen…

Can get MCP tools working in Cursor anymore

Support Bug Reports

Chris_Drake (Chris Drake) December 18, 2025, 9:36pm 5

Here’s some related posts about MCP bugs that your team needs to investigate as well:-

No matter how many times we report this, it never gets fixed.

Cursor agent unable to use the HuggingFace MCP tools

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Cursor 2.3.41 not detecting MCP Server tools Bug Reports mcp , installation	16	1042	March 25, 2026
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Can get MCP tools working in Cursor anymore

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