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OpenQFR MCP Server

by openqfr-dev Your server? Claim it
answering

OpenQFR is answering right now. Last checked 5 min ago. It exposes 3 tools. Last commit 9 Sep 2026.

Search machine-readable quantitative strategy failure evidence before repeating failed research.

Uptime history 16 days of history · worst day 98%
16 days agonow
98.9%
Uptime 24h
91 of 92 checks
3
Tools
read from the server
736 ms
Response time
average over 24h
0
Stars
last commit 9 Sep 2026

OpenQFR does not always answer

Over the last week it answered 99.1% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

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 5 min ago.

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

qfr
qfr_get
Retrieve one public QFR record by record ID.
qfr_search
Search public quantitative strategy failure evidence before running a similar backtest.
qfr_stats
Return public record counts and the QFR schema version.

Endpoints

URLTransportStateLatencyChecked
https://openqfr.dev/mcp streamable-http answering 273 ms 5 min ago

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OpenQFR — questions

Answers built from our own checks of this server.

What can OpenQFR do?
It exposes 3 tools, read directly from the server on our last check. Among them: qfr_get, qfr_search, qfr_stats. 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 OpenQFR working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 92 checks got a reply (98.9%), average response time 736 ms. The bar chart above shows every period we have measured.
How do I connect OpenQFR?
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 OpenQFR need an API key?
No. OpenQFR 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 OpenQFR?
It answers our handshake in 736 ms on average, which is faster than 17% 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.
Is OpenQFR open source?
We cannot say either way: written in Python, 0 stars on GitHub and 2 open issues, but we could not determine the licence, and without one the code is not open source by default.