Dgmo MCP vs MCP Mermaid
A side-by-side look at the Dgmo MCP and MCP Mermaid MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Dgmo MCP for data visualization work as a local process; 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?
Choose Dgmo MCP when
- You need dedicated capabilities in the Data Visualization domain.
- You prefer a local stdio subprocess transport.
- You want tools like
render_diagram, validate_diagram, suggest_chart_type.
Choose 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.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Data Visualization | Data Visualization |
| Quality signal | 57/100 · Good | 65/100 · Great |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 3 | 645 |
| Directory activity | 2 views 0 installs 0 upvotes | 5 views 0 installs 1 upvotes |
| Tools | 14 | 1 |
| Full listing | View Dgmo MCP | View MCP Mermaid |
Tools & capabilities
Dgmo MCP tools 14
render_diagramRender DGMO markup to **SVG or PNGvalidate_diagramCheck markup and report parse errors, without renderingsuggest_chart_typeSuggest the chart types that fit a descriptionlist_chart_typesList all supported chart types, marking the beta onesget_language_referenceGet DGMO syntax documentation for accurate generationget_examplesFetch worked examples for a chart typeshare_diagramGet a shareable **diagrammo.app** URL — hand your diagram to the web editoropen_in_appOpen the diagram **straight into the Diagrammo desktop app** for editingcheck_app_installedReport whether the desktop app is installedpreview_diagramRender one or more diagrams and open an **HTML preview** in the browsergenerate_reportBuild a polished **multi-section HTML report** with ToC and optional sourceput_space_diagramWrite a diagram into a **Diagrammo Cloud space**, by folder and title- +2 more on 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.
Dgmo MCP
{
"mcpServers": {
"dgmo-mcp": {
"command": "npx",
"args": [
"-y",
"@diagrammo/dgmo-cli"
]
}
}
}
MCP Mermaid
{
"mcpServers": {
"hustcc-mcp-mermaid": {
"command": "npx",
"args": [
"-y",
"mcp-mermaid"
]
}
}
}
Frequently asked questions
Dgmo MCP is categorized under Data Visualization and uses a local stdio subprocess. MCP Mermaid belongs to Data Visualization and uses a local stdio subprocess. Pick Dgmo MCP 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.
Dgmo MCP 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 dgmo-mcp and hustcc-mcp-mermaid as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Dgmo MCP has a quality signal of 57/100 (Good) with 2 views, 0 installs and 3 GitHub stars. MCP Mermaid has 65/100 (Great) with 5 views, 0 installs and 645 GitHub stars.