Can't fetch available MCPs from custom registery

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#4,949 opened on Sep 23, 2026 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 3/5
Estimated time: 1-2 days
Newbie friendliness: 55/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Active
Tech stack: cli, shell
Domain: cli, devtools

Research direction

Look at the MCP registry fetching logic in the CLI codebase, likely in a module handling network requests or MCP server discovery. Start by searching for the error message or URL pattern. Check how the CLI configures and accesses the registry URL versus VSCode. Verify network client settings and error handling. Running the CLI with debug logging may reveal more details.

Written by the indexing model from the issue text.

Description

triage

Describe the bug

Our company configured an MCP registry URL for Github Copilot. It works well with Github Copilot in VSCode, but in the CLI we see an error mentioning that the CLI can't reach the registry. I confirmed that the URL in the error is accessible. I even tried to ask the Copilot CLI to fetch it & it was able to tell me which MCP servers are there.

The error I'm getting when running /mcp is:

Failed to load online results: Error: HTTP request failed: error sending request for url (https://*********.azure-apicenter.ms/workspaces/default/v0.1/servers?limit=30)

Affected version

1.0.87

Steps to reproduce the behavior

No response

Expected behavior

No response

Additional context

OS: MacOS
CPU: ARM
Shell: zsh

Dominant language: Shell
Stars: 11.2k
Forks: 1.9k
Avg merge: 14h 16m
Merged PRs (30d): 6

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