OAuth Remote MCP Login

[Nikhil-Anand-DSG]

I'm trying to connect to a remote MCP server that requires OAuth authentication (specifically Honeycomb MCP at https://mcp.honeycomb.io/mcp).

What I'm looking for:

The same authentication flow that Copilot CLI provides - where it detects that auth is needed, opens a browser for the user to sign in, and then captures the token for subsequent requests.

Current setup:
mcp_servers = [
{
"name": "honeycomb",
"type": "http",
"url": "https://mcp.honeycomb.io/mcp"
}
]

In Copilot CLI itself, it works fine. But in the SDK I am getting 405 error

Questions:

1. Does the SDK support OAuth/browser-based auth flows for MCP servers?
2. If so, what's the correct configuration to enable it?
3. If not, is there a recommended workaround or is this on the roadmap?

Any guidance would be appreciated!

[github-actions]

Thanks for opening this issue! I've labeled it as question and needs-info.

To help us provide better guidance, could you please clarify:

1. Which SDK are you using? (.NET, Go, Node.js, or Python)
2. SDK version you have installed
3. Full error details - could you share the complete 405 error message and any stack trace?

The OAuth flow you're describing (browser-based authentication) is specific to the Copilot CLI's interactive capabilities. The SDK implementations may handle authentication differently, so knowing which SDK you're working with will help us provide the right solution or workaround.

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