X402 Dataviz MCP vs MCP Mermaid
A side-by-side look at the X402 Dataviz 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 X402 Dataviz 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 X402 Dataviz MCP when
- You need dedicated capabilities in the Data Visualization domain.
- You prefer a local stdio subprocess transport.
- You want tools like
render_chart.
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 | 55/100 · 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 | 0 | 646 |
| Directory activity | 1 views 0 installs 0 upvotes | 8 views 0 installs 1 upvotes |
| Tools | 1 | 1 |
| Full listing | View X402 Dataviz MCP | View MCP Mermaid |
Tools & capabilities
X402 Dataviz MCP tools 1
render_chartRender a bar, line, or area chart from structured data and return it as an SVG string. Free, unauthenticated MCP tool — the open twin of the paid x402-gated dataviz HTTP API (https://x402-dataviz-poc.theliminalguy.workers.dev/chart), same renderer, no payment required.
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.
X402 Dataviz MCP
{
"mcpServers": {
"x402-dataviz-mcp": {
"command": "npx",
"args": [
"-y",
"x402-dataviz-mcp"
]
}
}
}
MCP Mermaid
{
"mcpServers": {
"hustcc-mcp-mermaid": {
"command": "npx",
"args": [
"-y",
"mcp-mermaid"
]
}
}
}
Frequently asked questions
X402 Dataviz 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 X402 Dataviz 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.
X402 Dataviz 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 x402-dataviz-mcp and hustcc-mcp-mermaid as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, X402 Dataviz MCP has a quality signal of 55/100 (Good) with 1 views, 0 installs and 0 GitHub stars. MCP Mermaid has 65/100 (Great) with 8 views, 0 installs and 646 GitHub stars.