Lucid vs MCP Mermaid

A side-by-side look at the Lucid and MCP Mermaid MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Lucid logoLucidData Visualization · Remote HTTP/SSELucid’s connector creates diagrams, searches, edits, shares, and retrieves docs to summarize.41FairAuth: not declaredMCP Mermaid logoMCP MermaidData Visualization · Local subprocess (stdio)Generate mermaid diagram and chart with AI MCP dynamically.65GreatAuth: no auth required

Verdict: choose Lucid for data visualization work over a hosted endpoint; choose MCP Mermaid for data visualization as a local process. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Lucid logoChoose Lucid when

  • You need dedicated capabilities in the Data Visualization domain.
  • You prefer a remote HTTP/SSE transport.
Explore Lucid

MCP Mermaid logoChoose MCP Mermaid when

  • You need dedicated capabilities in the Data Visualization domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like generate_mermaid_diagram.
Explore MCP Mermaid

Feature & specification comparison

Rows where the two servers differ are marked.

SpecLucid logoLucidMCP Mermaid logoMCP Mermaid
CategoryData VisualizationData Visualization
Quality signal41/100 · Fair65/100 · Great
Install commandConfirmedConfirmed
TransportRemote HTTP/SSELocal subprocess (stdio)
AuthNot declaredNo auth required
PricingNot declaredFree
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars3646
Directory activity 3 views 0 installs 0 upvotes 5 views 0 installs 1 upvotes
ToolsNot listed1

Tools & capabilities

Lucid tools

No tool names declared yet. Check the project README from the listing page.

MCP Mermaid tools 1

  • generate_mermaid_diagramGenerate mermaid diagram and chart with mermaid syntax dynamically. Mermaid is a JavaScript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. The main purpose of Mermaid is to help documentation catch up with development.

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Lucid

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "lucid": {
      "url": "https://mcp.lucid.app/mcp"
    }
  }
}

MCP Mermaid

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "hustcc-mcp-mermaid": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-mermaid"
      ]
    }
  }
}

Frequently asked questions

Lucid is categorized under Data Visualization and uses a remote HTTP/SSE transport. MCP Mermaid belongs to Data Visualization and uses a local stdio subprocess. Pick Lucid for data visualization work and MCP Mermaid for data visualization.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Lucid has no declared pricing — check the project's own site. MCP Mermaid is listed as free. Auth: no auth required. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add lucid and hustcc-mcp-mermaid as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Lucid has a quality signal of 41/100 (Fair) with 3 views, 0 installs and 3 GitHub stars. MCP Mermaid has 65/100 (Great) with 5 views, 0 installs and 646 GitHub stars.