connect
Set up or connect Codex or Claude Code to Horizontal and diagnose its MCP connection. Use for plugin onboarding, connecting to an open board or project, missing Horizontal tools, unavailable live state, or DOCUMENT_OPEN, AUTH_FAILED and TIMEOUT errors.
Pinned to revision 3d1a20023b7f, so it is the text this page describes rather than whatever the author pushed since.
Files
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