# Nteract Semiotic MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.nteract%2Fsemiotic
Registry id: `mcp-registry/io.github.nteract/semiotic`
Status: live (checked 2026-10-27T04:09:50.565Z)

## Measurements (30 days)

- Uptime: 100%
- Checks: 4972
- Outages (90 days): 0

## Install

```json
{
  "mcpServers": {
    "nteract-semiotic-mcp-server": {
      "type": "http",
      "url": "https://semiotic-mcp-server-481507046413.us-west1.run.app/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http nteract-semiotic-mcp-server https://semiotic-mcp-server-481507046413.us-west1.run.app/mcp
```

## Tools (6)

- `auditChart`: Run design diagnostics plus accessibility and mobile audits, returning prioritized structured findings.
- `createChart`: Select, validate, diagnose, render, and prove a static-data Semiotic chart. This is the default public workflow.
- `explainChart`: Return reader grounding: chart description, communicative intent, and navigable data structure.
- `getChartSchema`: Return canonical Semiotic prop-schema guidance for code editing and advanced configuration.
- `improveChart`: Diagnose a chart configuration, assess data fit, and propose repairs or variants.
- `semiotic-mcp`: MCP server for tool-based chart rendering in any MCP client

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.