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Bug: cannot connect to remotely deployed mcp server #105

@bbracha-evinced

Description

@bbracha-evinced

Is there an existing issue for this?

  • I have searched the existing issues

Current behavior

We have hosted the mcp-server in our private cloud, and I'm trying to connect to it in Cursor using the recommended configuration using mcp-remote:

"CIRCLE-CI": {
			"command": "npx",
			"args": ["-y", "mcp-remote", "https://mcp-circleci.evinced.dev/mcp"]
		},

But when I try to integrate - I'm getting the following error:

2025-07-14 12:04:08.339 [error] user-CIRCLE-CI: [82327] Received error: Error POSTing to endpoint (HTTP 404): <!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Error</title>
</head>
<body>
<pre>Cannot POST /mcp</pre>
</body>
</html>

[82327] Recursively reconnecting for reason: falling-back-to-alternate-transport
[82327] [82327] Connecting to remote server: https://mcp-circleci.evinced.dev/mcp

2025-07-14 12:04:08.340 [error] user-CIRCLE-CI: [82327] Using transport strategy: sse-only

And no tools are disaplyed in Cursor.

Can I get some help with it?

Minimum reproduction code

Steps to reproduce

No response

Expected behavior

Cursor should conntect to the remote mcp-server.

MCP Server CircleCI version

No response

Node.js version

No response

CircleCI API Token

No response

In which agents have you tested?

  • Cursor
  • Windsurf
  • Claude Code
  • Other

Additional context

No response

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