mcpbeat Sign in

Cello MCP Server

by cello Your server? Claim it
answering

Cello is answering right now. Last checked 11 min ago.

Cello MCP server to launch and manage your Referral and Partner program

Uptime history 91 days of history
91 days agonow
100.0%
Uptime 24h
91 of 91 checks
—
Tools
hidden behind auth
191 ms
Response time
average over 24h
OAuth sign-in
Access
streamable-http

Nothing serious here today

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

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 11 min ago.

run in your terminal
claude mcp add mcp --transport http https://mcp.cello.so/mcp
Settings → Connectors → Add custom connector, then paste this address
https://mcp.cello.so/mcp
~/.codex/config.toml
[mcp_servers.mcp]
url = "https://mcp.cello.so/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "mcp": {
      "url": "https://mcp.cello.so/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "mcp": {
      "type": "http",
      "url": "https://mcp.cello.so/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Endpoints

URLTransportStateLatencyChecked
https://mcp.cello.so/mcp streamable-http sign-in 164 ms 11 min ago

Alternatives to Cello

same job, measured the same way
RefRef
by refref

Build, launch and manage referral, affiliate and loyalty programs with RefRef from your AI agent.

answering
Telegram MCP
by jgalea

Telegram MCP server: read, send, and search messages and manage chats via your account.

120 installs/wk local only
Affonso
by affonso

Manage affiliate programs, partners, referrals, commissions, and payouts through Affonso.

answering
Qovery MCP Server
by qovery

Deploy and manage your apps on Qovery

answering
Pentest Tools
by pentest-tools

MCP server for Pentest-Tools.com: run scans, manage findings and reports via your preffered LLM.

answering
youtube-kit
by eukosh

YouTube CLI and MCP server: search and read public YouTube, and manage your own channels.

301 installs/wk local only
Cloudflare
by ofershap

MCP server to manage Cloudflare Workers, KV, R2, Pages, DNS, and cache from your IDE

70 installs/wk local only
Tampermonkey MCP
by tampermonkey

MCP server to manage your Tampermonkey scripts

125 installs/wk local only

Cello — questions

Answers built from our own checks of this server.

Why is there no tool list for Cello?
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 Cello 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 191 ms. The bar chart above shows every period we have measured.
How do I connect Cello?
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 sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.
How do you sign in to Cello?
No API key is involved. Cello answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.
How fast is Cello?
It answers our handshake in 191 ms on average, which is faster than 74% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.