Semiotic for Claude.ai

io.github.nteract/semiotic

Verified React chart generation: select, validate, repair, render, and inspect charts through MCP.

client:Claude.ai transport:streamable-http runtime:npm tools:5

Install Semiotic in Claude.ai

Settings → Connectors → Add custom connector

https://semiotic-mcp-server-481507046413.us-west1.run.app/mcp

Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs

What Claude.ai can do once it is connected

createChart
improveChart
explainChart
auditChart
getChartSchema

Semiotic in other clients

Claude Code
Claude Desktop
Cursor
VS Code
Zed
Windsurf
Cline
Gemini CLI
Grok
ChatGPT
LangChain

Semiotic MCP server