FirmFax prop firm data MCP Server

by firmfax Your server? Claim it

answering

FirmFax prop firm data is answering right now. Last checked 10 min ago. It exposes 6 tools.

Independent rule and fee data on 71 prop trading firms, every figure with its evidence state.

Uptime history 12 days of history · worst day 96%

12 days agonow

96.7%

Uptime 24h

88 of 91 checks

Tools

read from the server

172 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 4

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 13 September 2026. No other catalogue keeps this.

13 Sep 4 tools appeared compare_firms, find_firms, get_evidence and 1 more

FirmFax prop firm data 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.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add prop-firm-data --transport http https://firmfax.com/api/mcp

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

{
  "mcpServers": {
    "prop-firm-data": {
      "url": "https://firmfax.com/api/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.prop-firm-data]
url = "https://firmfax.com/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "prop-firm-data": {
      "url": "https://firmfax.com/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "prop-firm-data": {
      "url": "https://firmfax.com/api/mcp"
    }
  }
}

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

firms

find_firms

Firms matching every criterion given. A firm whose record does not carry a criterion is never counted as a match and never silently dropped: it is returned separately under unknown, with the field that could not be tested. Absence is common here, so read counts before treating the matched list as the answer.

list_firms

Every firm slug and name. Carries no figures, so nothing here needs evidence.

compare

compare_firms

Two firms side by side. Reports each figure with its evidence state and whether the pair is comparable at all: a field neither firm records is not a tie, and a field only one records is not a win. No per-field winner is declared, because the direction of "better" for several of these is a judgement the published scoring model already makes; each firm's grade is returned alongside so the verdict comes from that model rather than from this tool.

evidence

get_evidence

The stored reading behind a figure: the verbatim quote, the page it came from, and the date we read it. Answers "we hold none" explicitly rather than returning an empty list. `outcome` is load-bearing: a `contradicted`, `contradiction` or `absent` row records what we read, not a figure we publish. Use get_firm for the published figure.

firm

get_firm

One prop trading firm. Every figure states whether we hold evidence for it, and a firm whose score range spans more than one band carries no letter grade at all.

rule

get_rule_changes

The dated record of what changed, newest first. Every entry states its KIND, and most of this tape is FirmFax correcting its own data rather than a firm changing its rules. Read counts before describing industry activity: a total taken across kinds overstates it.

Endpoints

URL	Transport	State	Latency	Checked
https://firmfax.com/api/mcp	streamable-http	answering	193 ms	10 min ago

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FirmFax prop firm data — questions

Answers built from our own checks of this server.

What can FirmFax prop firm data do?

It exposes 6 tools, read directly from the server on our last check. Among them: compare_firms, find_firms, get_evidence, get_firm, get_rule_changes, list_firms. 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 FirmFax prop firm data working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 88 of 91 checks got a reply (96.7%), average response time 172 ms. The bar chart above shows every period we have measured.

How do I connect FirmFax prop firm data?

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 FirmFax prop firm data need an API key?

No. FirmFax prop firm data completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is FirmFax prop firm data?

It answers our handshake in 172 ms on average, which is faster than 75% 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.