A developer reports that an approved Jira MCP server is blocked in Copilot Chat. The organization policy is set to Registry only. You review the MCP startup output and registry metadata. Which option best explains the failure?
Client: VS Code
MCP policy source: Contoso Organization
MCP servers in Copilot: Enabled
MCP access mode: Registry only
Configured registry: https://mcp-registry.contoso.example
Installed server:
name: jira-context
server_id: com.contoso.jira
Registry entries returned:
server_id: com.contoso.jira-cloud
server_id: com.contoso.github-readonly
server_id: com.contoso.docs-search
Startup result:
Blocked by MCP allowlist policy
No registry entry matched installed server ID: com.contoso.jiraChoose an answer
Tap an option to check your answer.
Correct answer: The installed server ID does not match the registry.
Why this is the answer
The correct answer is that the installed server ID does not match the registry. The Copilot Chat policy is set to "Registry only," meaning only servers explicitly listed in the configured registry are allowed. The installed server has an ID of com.contoso.jira, but the registry entries returned include com.contoso.jira-cloud. Since there is no exact match for com.contoso.jira in the registry, the server is blocked. The option "The registry URL must include /v0.1/servers" is incorrect because the provided registry URL https://mcp-registry.contoso.example is a valid base URL; the client handles appending the necessary API path. "Copilot Chat does not support MCP policies" is incorrect as the scenario explicitly states MCP policies are enabled and being applied. "The server requires repository-level MCP JSON" is incorrect because the policy is "Registry only," which means it relies on the central registry, not local repository configurations.
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