mcpbeat

Prior MCP Server

io.cg3/prior
answering

Prior is answering right now. Last checked 13 min ago. 74 installs a week from npm.

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

Installs per day peak 113 · avg 17 · -67% w/w
a month agotoday
Uptime history 40 hours of history
40 hours agonow
100.0%
Uptime 24h
91 of 91 checks
—
Tools
hidden behind auth
509 ms
Response time
average over 24h
74
Installs / week
npm and PyPI

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.

run in your terminal
claude mcp add prior --transport http https://api.cg3.io/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "prior": {
      "url": "https://api.cg3.io/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.prior]
url = "https://api.cg3.io/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "prior": {
      "url": "https://api.cg3.io/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "prior": {
      "url": "https://api.cg3.io/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://api.cg3.io/mcp streamable-http needs key 492 ms 13 min ago

Prior — questions

Answers built from our own checks of this server.

Why is there no tool list for Prior?
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 Prior 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 509 ms. The bar chart above shows every period we have measured.
Is Prior 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 Prior?
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 Prior need an API key?
Yes. Every time we knock, Prior 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 Prior?
It answers our handshake in 509 ms on average, which is faster than 22% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use Prior?
The npm package @cg3/prior-mcp was installed 74 times in the last week. Week over week that is -67%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.