Chartwire MCP Server

by outturndev Your server? Claim it

answering

Chartwire is answering right now. Last checked 6 min ago.

Generate production-ready chart code (Recharts, Chart.js, ECharts, Plotly) from a prompt.

The linked repository no longer exists on GitHub — it was deleted or made private.

Uptime history 91 days of history · worst day 91%

91 days agonow

100.0%

Uptime 24h

91 of 91 checks

—

Tools

hidden behind auth

114 ms

Response time

average over 24h

authentication required

Access

streamable-http

Chartwire missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add chartwire --transport http https://chartwire.helpfulbutton140.workers.dev/mcp

Settings → Connectors → Add custom connector, then paste this address

https://chartwire.helpfulbutton140.workers.dev/mcp

~/.codex/config.toml

[mcp_servers.chartwire]
url = "https://chartwire.helpfulbutton140.workers.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "chartwire": {
      "url": "https://chartwire.helpfulbutton140.workers.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "chartwire": {
      "type": "http",
      "url": "https://chartwire.helpfulbutton140.workers.dev/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, but it did not say what kind of credentials it expects.

Endpoints

URL	Transport	State	Latency	Checked
https://chartwire.helpfulbutton140.workers.dev/mcp	streamable-http	needs auth	63 ms	6 min ago

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Chartwire — questions

Answers built from our own checks of this server.

Why is there no tool list for Chartwire?

The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.

Is Chartwire working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 114 ms. The bar chart above shows every period we have measured.

Is Chartwire still maintained?

The linked repository no longer exists on GitHub — it was deleted or made private. We show this because it changes what you can expect: an unmaintained server may keep answering for months and then stop without warning.

How do I connect Chartwire?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You will need your own credentials: it refuses anonymous clients.

Does Chartwire need an API key?

Yes. Every time we knock, Chartwire answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.

How fast is Chartwire?

It answers our handshake in 114 ms on average, which is faster than 90% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.