I am connecting the Lucid MCP server to Claude (web) on an Individual Lucid plan. The connection authorises fine and basic tools work, but the diagram-creation tools never load.
What I see: across several reconnects in one day, the connector exposes a different partial set of tools each time. Examples of what loads: document search, create folder, create share link, list thread comments, and (in one session) the add/edit/delete shape tools. What never loads in any session: the “create-diagram-from-specification” tool and the “convert-to-diagram” tool.
The odd part: diagram creation worked fine yesterday. I built two diagrams successfully. Today the diagram tools are gone, and disconnect/reconnect does not bring them back.
Already tried:
- Disconnect and reconnect (three times). Each time a different partial tool set appears; the diagram builders never do.
- Confirmed this is an Individual plan, so no admin MCP toggle or org-level scope gate applies.
Questions:
- Were diagram-creation use cases re-scoped server-side recently? The MCP docs note that new use cases may require re-authentication, and that setup involves a separate permission-scope approval step.
- Is a full remove-and-re-add (rather than reconnect) needed to re-grant the diagram scope, or is this a known issue with the server advertising tools inconsistently per session?
- Is there a way to confirm which permission scopes my current connection holds?
Any guidance appreciated. Happy to provide timestamps or session detail.
Your privacy choices
