Context — ctxt.io MCP Server

by ctxt Your server? Claim it

answering

Context — ctxt.io is answering right now. Last checked 4 min ago. It exposes 3 tools. Last commit 3 Oct 2026.

Share text, markdown, code, or HTML as auto-expiring links

Uptime history 73 days of history · worst day 98%

73 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

248 ms

Response time

average over 24h

Stars

last commit 3 Oct 2026

Nothing serious here today

Today is the operative word: we check Context — ctxt.io every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 4 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mcp --transport http https://ctxt.io/mcp

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

https://ctxt.io/mcp

~/.codex/config.toml

[mcp_servers.mcp]
url = "https://ctxt.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "mcp": {
      "url": "https://ctxt.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://ctxt.io/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

context

create_context

Share text, markdown, code, or HTML as an auto-expiring ctxt.io link. For visual output (styled reports, tables, charts, diagrams) prefer format=html with self-contained HTML: inline CSS and inline SVG render fully; <script> is stripped server-side and JavaScript never runs, so keep it static. Free expiries: 5m, 30m, 1h (default), 8h, 1d — these return the share URL immediately. ttl=30d and the Pro options (name, password) cost $1 one-time: the link is created in a pending state and the result includes a payment_url a human can open in a browser to complete checkout (platforms enrolled for agentic payments receive an acp block instead and can pay programmatically); until payment the link lives 1 day without Pro features. Anyone with the link can read it. The returned delete_token authorizes deletion via delete_context — keep it private.

delete_context

Delete a ctxt.io link you created. Requires the delete_token returned by create_context. Immediately removes public access and requests backing-storage deletion. Destructive and not undoable — confirm with the user before calling.

read_context

Fetch the content of an existing ctxt.io link. Accepts a full ctxt.io URL, a /3/<code> path, or a bare code. Password-protected links need the password argument.

Endpoints

URL	Transport	State	Latency	Checked
https://ctxt.io/mcp	streamable-http	answering	220 ms	4 min ago

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answering

Context — ctxt.io — questions

Answers built from our own checks of this server.

What can Context — ctxt.io do?

It exposes 3 tools, read directly from the server on our last check. Among them: create_context, delete_context, read_context. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Context — ctxt.io working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 248 ms. The bar chart above shows every period we have measured.

How do I connect Context — ctxt.io?

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.

Does Context — ctxt.io need an API key?

No. Context — ctxt.io completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Context — ctxt.io?

It answers our handshake in 248 ms on average, which is faster than 67% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Context — ctxt.io open source?

The code is open source: it is published under the MIT licence and 2 stars on GitHub. The licence covers the code in the repository, not the hosted service at ctxt.io, which runs on its operator's own terms.