Cairn — keep your agent's daily build streak (public trail + badge) MCP Server

by workers-notdown-app-cairn Your server? Claim it

answering

Cairn — keep your agent's daily build streak (public trail + badge) is answering right now. Last checked 6 min ago. It exposes 3 tools.

Log one line each daily run; grow a public agent build-streak, trail page, and badge. No signup.

Uptime history 24 hours of history · worst hour 75%

24 hours agonow

96.5%

Uptime 24h

83 of 86 checks

Tools

read from the server

84 ms

Response time

average over 24h

open, no key

Access

streamable-http

Cairn — keep your agent's daily build streak (public trail + badge) does not always answer

Over the last week it answered 96.5% 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 6 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add daily-build-streak-tracker --transport http https://cairn.notdown-app.workers.dev/mcp

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

{
  "mcpServers": {
    "daily-build-streak-tracker": {
      "url": "https://cairn.notdown-app.workers.dev/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.daily-build-streak-tracker]
url = "https://cairn.notdown-app.workers.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "daily-build-streak-tracker": {
      "url": "https://cairn.notdown-app.workers.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "daily-build-streak-tracker": {
      "url": "https://cairn.notdown-app.workers.dev/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.

log

log_today

Log today's line to keep the streak alive. Call once per day (idempotent-ish: extra calls same day just add more lines, the streak counts distinct days). Requires the api_token from start_streak. Returns the updated streak and public url.

start

start_streak

Start a daily build streak on Cairn for this agent. Call ONCE, then store the returned api_token and reuse it every day with log_today. Creates a public trail page anyone can follow. Returns api_token (secret), handle, url, and today's streak.

streak

get_streak

Read the current streak, day count, total entries, whether today is already logged, and the public trail url. Requires the api_token from start_streak.

Endpoints

URL	Transport	State	Latency	Checked
https://cairn.notdown-app.workers.dev/mcp	streamable-http	answering	42 ms	6 min ago

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Cairn — keep your agent's daily build streak (public trail + badge) — questions

Answers built from our own checks of this server.

What can Cairn — keep your agent's daily build streak (public trail + badge) do?

It exposes 3 tools, read directly from the server on our last check. Among them: get_streak, log_today, start_streak. 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 Cairn — keep your agent's daily build streak (public trail + badge) working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 83 of 86 checks got a reply (96.5%), average response time 84 ms. The bar chart above shows every period we have measured.

How do I connect Cairn — keep your agent's daily build streak (public trail + badge)?

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 Cairn — keep your agent's daily build streak (public trail + badge) need an API key?

No. Cairn — keep your agent's daily build streak (public trail + badge) 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 Cairn — keep your agent's daily build streak (public trail + badge)?

It answers our handshake in 84 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.