mcpbeat

Promptster MCP Server

io.github.promptster-dev/promptster
answering

Promptster is answering right now. Last checked 1 min ago.

Test and compare prompts across any AI provider. Bring your own keys.

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

Uptime history 39 hours of history · worst hour 0%
39 hours agonow
37.0%
Uptime 24h
34 of 92 checks
—
Tools
hidden behind auth
347 ms
Response time
average over 24h
API key or OAuth
Access
streamable-http

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 1 min ago.

run in your terminal
claude mcp add promptster --transport http https://www.promptster.dev/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "promptster": {
      "url": "https://www.promptster.dev/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.promptster]
url = "https://www.promptster.dev/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "promptster": {
      "url": "https://www.promptster.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "promptster": {
      "url": "https://www.promptster.dev/mcp"
    }
  }
}

This endpoint answered with an authorization challenge — the server is running, but you need an API key or OAuth to use it.

Endpoints

URLTransportStateLatencyChecked
https://www.promptster.dev/mcp streamable-http needs key 590 ms 1 min ago

Promptster — questions

Answers built from our own checks of this server.

Why is there no tool list for Promptster?
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: 37.0% of checks in the last 24 hours got a reply.
Is Promptster working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 34 of 92 checks got a reply (37.0%), average response time 347 ms. The bar chart above shows every period we have measured.
Is Promptster 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 Promptster?
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. You will need your own key or an OAuth login: it refuses anonymous clients.
Does Promptster need an API key?
Yes. Every time we knock, Promptster 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 Promptster?
It answers our handshake in 347 ms on average, which is faster than 40% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.