Semiotic
Rank #60io.github.nteract/semiotic
Verified React chart generation: select, validate, repair, render, and inspect charts through MCP.
What you can do with Semiotic
Semiotic is a Model Context Protocol (MCP) server published by nteract. It ranks #60 of 143,549 active servers on MCP Toplist, and its repository has 2,715 GitHub stars. Semiotic is listed across 3 registries — Official MCP, Glama and mcp.so, with 15 tracked versions. It was first listed on Mar 21, 2026 and most recently updated on Oct 6, 2026.
Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.
What Semiotic can and cannot do
Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.
What you need before using Semiotic
The registry listing declares no required environment variables or authentication. This is declared metadata, not a verified install — the repository README is the authority.
MCP Toplist probed the public endpoint on Oct 7, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
Declared by Glama, last synced Oct 15, 2026. Not independently verified by MCP Toplist.
Hosted endpoint declared as public.
Connect Semiotic and confirm it works
claude mcp add --transport http semiotic https://semiotic-mcp-server-481507046413.us-west1.run.app/mcpclaude mcp add semiotic -- npx -y semiotic[mcp_servers.semiotic]
url = "https://semiotic-mcp-server-481507046413.us-west1.run.app/mcp"Add to ~/.codex/config.toml.
[mcp_servers.semiotic]
command = "npx"
args = ["-y", "semiotic"]Add to ~/.codex/config.toml.
https://semiotic-mcp-server-481507046413.us-west1.run.app/mcpSettings → Connectors → “Add custom connector”, then paste this URL.
{
"mcpServers": {
"semiotic": {
"command": "npx",
"args": [
"-y",
"semiotic"
]
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config).
{
"mcpServers": {
"semiotic": {
"url": "https://semiotic-mcp-server-481507046413.us-west1.run.app/mcp"
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"mcpServers": {
"semiotic": {
"command": "npx",
"args": [
"-y",
"semiotic"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project).
{
"servers": {
"semiotic": {
"type": "http",
"url": "https://semiotic-mcp-server-481507046413.us-west1.run.app/mcp"
}
}
}Save as .vscode/mcp.json in your workspace.
{
"servers": {
"semiotic": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"semiotic"
]
}
}
}Save as .vscode/mcp.json in your workspace.
{
"mcpServers": {
"semiotic": {
"serverUrl": "https://semiotic-mcp-server-481507046413.us-west1.run.app/mcp"
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"semiotic": {
"command": "npx",
"args": [
"-y",
"semiotic"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
{
"mcpServers": {
"semiotic": {
"url": "https://semiotic-mcp-server-481507046413.us-west1.run.app/mcp"
}
}
}{
"mcpServers": {
"semiotic": {
"command": "npx",
"args": [
"-y",
"semiotic"
]
}
}
}After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.
What changed, and when this was checked
- First listed
- Mar 21, 2026
- Latest version published
- Oct 6, 2026
- Version history
- 15 versions tracked (below)
- Requirements evidence
- MCP Toplist probed the public endpoint on Oct 7, 2026 and could not complete the MCP handshake (jsonrpc error). Requirements remain unverified.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Oct 15, 2026
- Official MCP ↗listed since Apr 28, 2026 · still listed
- Glama ↗listed since Jun 4, 2026 · still listed
- mcp.so ↗listed since Aug 26, 2026 · still listed
Do you maintain Semiotic? to correct or enrich this profile.
Available versions (15)
| Version | Published |
|---|---|
| 3.12.1 | Oct 6, 2026 |
| 3.12.0 | Oct 1, 2026 |
| 3.11.2 | Sep 29, 2026 |
| 3.11.1 | Sep 28, 2026 |
| 3.10.4 | Sep 23, 2026 |
| 3.10.3 | Sep 19, 2026 |
| 3.10.2 | Sep 19, 2026 |
| 3.9.2 | Sep 1, 2026 |
| 3.9.1 | Aug 20, 2026 |
| 3.8.9 | Aug 5, 2026 |
| 3.8.8 | Aug 4, 2026 |
| 3.8.7 | Jul 28, 2026 |
| 3.8.6 | Jul 26, 2026 |
| 3.8.1 | Jul 16, 2026 |
| 3.4.2 | Apr 28, 2026 |
Ranks ahead of 143,489 of 143,549 servers on MCP Toplist.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/io.github.nteract%2Fsemiotic)<a href="https://mcptoplist.com/server/io.github.nteract%2Fsemiotic"><img src="https://mcptoplist.com/badge/io.github.nteract%2Fsemiotic.svg" alt="MCP Toplist: Top 1% of 143,549" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Who maintains Semiotic?
- Semiotic is maintained by nteract, which publishes 1 MCP server (15 total versions) tracked on MCP Toplist.
- Is Semiotic listed on the Official MCP Registry?
- Yes — Semiotic is listed on the Official MCP Registry, alongside Glama and mcp.so.
- How many versions does Semiotic have?
- MCP Toplist tracks 15 versions of Semiotic, most recently published on Oct 6, 2026.
- Where can I find the source code for Semiotic?
- The source code for Semiotic is hosted at github.com/nteract/semiotic.
Do you run this server?
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