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Lucid MCP Server

MCP

Lucid's official hosted MCP: search and summarize documents in your Lucid account, generate flowcharts, org charts (importable from CSV) and sequence diagrams from a sentence, edit shapes, export PNGs and create share links. Needs a Lucid account (free plan works) with OAuth on first connect.

lucidsoftware/lucid-mcp-server3
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README

Lucid MCP Server and Tools

Connect your AI tools to Lucid to intelligently search for files, create visuals, and share with your team.

The Lucid Model Context Protocol (MCP) server is a cloud-hosted bridge between your Lucid documents and AI tools such as ChatGPT, Claude, Microsoft Copilot, and Cursor. Once connected, you can use natural language to search, retrieve, edit, summarize, and create Lucid documents from inside your AI client. Use of the Lucid MCP server is subject to the negotiated services agreement between the parties or Lucid's standard Terms of Service available at lucid.co/tos.

What you can do

With the Lucid MCP server connected, you can prompt your AI tool to:

  • Search Lucid documents for specific content
  • Summarize document details and action items
  • Create shareable links with the permission level you specify
  • Share documents with collaborators by email
  • Create diagrams from a natural-language prompt
  • Create org charts from a CSV file or text
  • Edit, add, or delete shapes in an existing document
  • Generate UML sequence diagrams from PlantUML markup
  • Export documents as PNG
  • Fetch images attached to shapes in a document
  • Convert visual output from Claude into a Lucid document

Example prompts

"Show me all Lucid documents that talk about the website redesign project."

"Find the 'Q4 Website Redesign Workflow' document in Lucid, and give me a summary of action items."

"Create a diagram in Lucid that maps out a user authentication flow."

"In my Lucid IT Escalation Process document, update all decision blocks to a red fill with bold white text."

"Create a shareable link with view-only permissions for my 'FY26 Q3 Product Roadmap' document in Lucid."

Supported clients

The Lucid MCP server is compatible with any MCP client. For one-click setup, Lucid offers dedicated connectors for ChatGPT and Claude:

For other clients, follow the MCP-setup docs for your tool of choice and use the server URL https://mcp.lucid.app/mcp:

ClientSetup docs
ChatGPTDeveloper mode
Claude desktopLocal MCP servers on Claude desktop
Claude webCustom connectors using remote MCP
Claude CodeInstalling MCP servers
Microsoft Copilot StudioAdd an existing MCP server
GitHub CopilotExtend Copilot Chat with MCP
CursorMCP context; install via /add-plugin lucid — see Cursor plugin below
WindsurfConfiguring your first MCP server

This is not an exhaustive list — the Lucid MCP server works with any MCP-compatible client.

AI tools you set up with the Lucid MCP server are Non-Lucid Applications (as defined in our Terms of Service). Your use of these AI tools is subject to the agreement between you and the third-party provider.

Skills

Skills

Skills are pre-built instructions that give AI clients (Claude, ChatGPT, Cursor, etc.) domain expertise for common Lucid workflows with the Lucid MCP Server. The full skill library lives in this repo's /skills folder. Download any .SKILL.md file and drop it into your MCP client's skills folder (e.g. .claude/skills/) to use it manually.

Agent Skills

Agent skills are skills that are directly built into the AI client plugins.You can describe what you want in plain language, and if a matching skill exists it's automatically invoked, or run one directly with a / command.

Cursor plugin

Install the Cursor plugin for bundled MCP config and a unified Lucid agent skill:

/add-plugin lucid

See cursor/README.md for Cursor-specific setup, skills, and example prompts.

Claude plugin

Once published in Anthropic's public marketplace, install the Lucid plugin with bundled MCP configuration and workflow guidance:

/plugin install lucid@claude-plugins-official

See claude/README.md for direct repository installation before marketplace acceptance, authentication, local development, and the plugin layout.

JSON config

Some clients require you to edit a JSON config file directly.

If your client supports the HTTP transport:

"Lucid Software": {
  "type": "http",
  "url": "https://mcp.lucid.app/mcp"
}

If your client does not support HTTP transport, use the mcp-remote Node.js package to forward stdio requests to the Lucid MCP server. Node.js must be installed.

"Lucid Software": {
  "command": "npx",
  "args": ["-y", "mcp-remote", "https://mcp.lucid.app/mcp"]
}

For admins: enable or disable the Lucid MCP server

Admins on Team and Enterprise accounts can control whether users can connect to the Lucid MCP server.

  1. In your Lucid account, select Admin from the left-side panel.
  2. Click Security in the left-side menu.
  3. Select Feature controls.
  4. Under MCP access, use the toggle next to Allow users to connect.
  5. Confirm with Enable MCP or Disable MCP in the modal.

Granting access allows users to connect from any AI client. To restrict access to specific AI tools, you'll need to disable the Lucid MCP server at the account level.

Authentication & data handling

  • Authentication uses OAuth 2.0 with Dynamic Client Registration (DCR).
  • The Lucid MCP server can access any Lucid document you have permission to access within your account. It cannot access documents owned by users outside your account.
  • The server acts as a pass-through — it does not retain document content, user prompts, or queries. Your credentials are never shared outside your Lucid account.

FAQ

See our Help Center for answers to common questions about the Lucid MCP server.

Support & Feedback

Trademark Notice

The MIT License applies to the contents of this repository.

However, all trademarks, logos and brand names associated with Lucid Software Inc. are the exclusive property of Lucid Software Inc.

The MIT license does not grant you rights to use our trademarks, logos, or brand identity for your own projects, forks, or commercial distributions, except as necessary to identify the origin of the software under nominative fair use.

License for Lucid MCP Tools

The contents of this repository are provided subject to the MIT License

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