AI Plugin Index
Semiotic
CommunityMCP server by nteract · updated · ★ 2.7k · 6.0k downloads a week
Verified React chart generation: select, validate, repair, render, and inspect charts through MCP. Semiotic is a community project by nteract, not verified by a company domain.
Last commit in the past day
Apache-2.0: permissive, fine for commercial use
Clear description, published package or server URL, 2,716 stars, original repository
Not checked yet. What we check
Install Semiotic
Built from the published package, never by AIclaude mcp add semiotic -- npx -y semioticRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"semiotic": {
"command": "npx",
"args": [
"-y",
"semiotic"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"semiotic": {
"command": "npx",
"args": [
"-y",
"semiotic"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"semiotic": {
"command": "npx",
"args": [
"-y",
"semiotic"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add semiotic -- npx -y semiotic{
"mcpServers": {
"semiotic": {
"command": "npx",
"args": [
"-y",
"semiotic"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add semiotic npx -y semioticGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the semiotic block.
Semiotic: common questions
How do I install Semiotic?
In Claude Code run claude mcp add semiotic -- npx -y semiotic. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Semiotic the official server?
Semiotic is a community project by nteract, not verified by a company domain.
Is Semiotic free?
The code is published under the Apache-2.0 licence. The service it connects to may have its own pricing.
Is Semiotic safe to use?
It scores 91 of 100. Grades: maintenance A, licence A, quality A. The security check has not run for it yet. Review the code before you install. How grades work.
Does Semiotic work with ChatGPT?
Yes. Add its server URL in ChatGPT as a custom connector. See MCP in ChatGPT.