Semiotic
MCP server by github.com/nteract/semiotic
Render React data visualizations from JSON. 43 chart types; validate, diagnose, suggest tools.
About Semiotic
Semiotic is an MCP (Model Context Protocol) server published by nteract in the official MCP registry. Render React data visualizations from JSON. 43 chart types; validate, diagnose, suggest tools.
It ships as an npm package (semiotic), so any MCP client that can launch a local process can run it.
Development happens in the open at github.com/nteract/semiotic, where the project has earned 2,675 GitHub stars.
Use Semiotic with your agent
claude mcp add semiotic -- npx -y semiotic{
"mcpServers": {
"semiotic": {
"command": "npx",
"args": [
"-y",
"semiotic"
]
}
}
}semioticFrequently asked questions
- What is Semiotic?
- Semiotic is an MCP (Model Context Protocol) server by nteract. Render React data visualizations from JSON. 43 chart types; validate, diagnose, suggest tools.
- How do I connect Semiotic to Claude, Cursor, or another MCP client?
- Install Semiotic from its npm package (semiotic) and register it under "mcpServers" in your client's MCP configuration — for example claude_desktop_config.json or Cursor's mcp.json — then restart the client.
- Is Semiotic open source?
- Yes — the source code is public at github.com/nteract/semiotic, with 2,675 GitHub stars.
- Can AI agents pay to use Semiotic?
- Not yet through Loomal — Semiotic is listed as a free directory entry. If its maintainer verifies ownership, they can set per-call USDC pricing that agents pay over x402, with settlement on Base.
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Listing data from the official MCP registry and GitHub, refreshed periodically. Not affiliated with the maintainer unless claimed. Maintain Semiotic? Claim this listing free by verifying GitHub ownership, or contact us.