Context — ctxt.io MCP Server

by ctxt Your server? Claim it

answering

Context — ctxt.io is answering right now. Last checked 9 min ago. It exposes 3 tools. Last commit 28 Aug 2026.

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

Uptime history 27 days of history · worst day 98%

27 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

299 ms

Response time

average over 24h

Stars

last commit 28 Aug 2026

Context — ctxt.io does not always answer

Over the last week it answered 99.7% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not 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 9 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp": {
      "url": "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

{
  "mcpServers": {
    "mcp": {
      "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	239 ms	9 min ago

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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 299 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 with the file path 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 299 ms on average, which is faster than 54% 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?

Yes — it is published under the MIT licence and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.