mcp_upstream_invalid
A deedglass command stopped with this code. It comes from the CLI, not the API.
CLI · exit 1 (a failure)
What happened
Section titled “What happened”The command printed one sentence that says what happened. With --json, the same sentence is error.message and this page is error.doc_url.
What to do
Section titled “What to do”Run the command in the next line under the message, for example:
Fix mcp.upstreams in deedglass.yaml (docs/MCP.md, "Put the Gate in front of a remote MCP server").
Add -v for more detail. If the message names a setting, Configuration explains it; deedglass doctor checks the whole setup.