Lucid Software · Gemini CLI
Add the Lucid MCP server to Gemini CLI
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1. Add the server
Run in your terminal
gemini mcp add --transport http lucid https://mcp.lucid.app/mcp
Scopes, env vars, OAuth and limits: Gemini CLI MCP config guide
2. Sign in
Run /mcp auth <name> inside Gemini CLI to sign in to an OAuth server. Lucid is hosted by Lucid Software, so there is nothing to install or keep updated.
3. Try it
Ask Gemini CLI for something Lucid can do. Search, summarize, create, edit and share Lucid diagrams and documents from an AI client. Approve the first tool call and check the result before allowing write actions automatically.
- · In settings.json, streamable HTTP servers use httpUrl, SSE servers use url, local servers use command.
- · includeTools and excludeTools limit which tools the model sees.
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FAQ
- How do I add the Lucid MCP server to Gemini CLI?
- Run: gemini mcp add --transport http lucid https://mcp.lucid.app/mcp. Run /mcp auth <name> inside Gemini CLI to sign in to an OAuth server.
- Is this the official Lucid MCP server?
- Yes. It is published by Lucid Software as app.lucid.mcp/lucid in the official MCP registry.
- Does the Lucid MCP server need an API key?
- It is a hosted server. Most hosted servers sign you in with OAuth the first time Gemini CLI uses them; check Lucid Software's docs for any plan or permission requirements.
Links
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Reviewed Oct 19, 2026. Command generated from the registry record and checked against Gemini CLI's documented syntax.