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Fx Signal MCP Server

by airblockfz Your server? Claim it
answering

Fx Signal is answering right now. Last checked 15 min ago. It exposes 5 tools.

FX bottom/top signals: 48 pairs (USD/KRW base), verdict + score, scans. Pay-per-call x402.

Uptime history 48 days of history
48 days agonow
100.0%
Uptime 24h
91 of 91 checks
5
Tools
read from the server
93 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 8

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 7 September 2026. No other catalogue keeps this.

9 Sep 3 tool descriptions were rewritten evaluate_symbol, scan_bottoms, scan_tops
7 Sep 3 tool descriptions were rewritten evaluate_symbol, pitch, scan_bottoms
7 Sep 2 tools changed the parameters they ask for scan_bottoms, scan_tops

Nothing serious here today

Today is the operative word: we check Fx Signal 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 15 min ago.

run in your terminal
claude mcp add fx-signal --transport http https://fx-signal.airblock2026.workers.dev/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "fx-signal": {
      "url": "https://fx-signal.airblock2026.workers.dev/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.fx-signal]
url = "https://fx-signal.airblock2026.workers.dev/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "fx-signal": {
      "url": "https://fx-signal.airblock2026.workers.dev/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "fx-signal": {
      "url": "https://fx-signal.airblock2026.workers.dev/mcp"
    }
  }
}

Available tools 5

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

scan
scan_bottoms
Scan the FX snapshot (48 pairs: 24 vs USD + 24 vs KRW) and return currency pairs currently at a bottom (strongest buy), ranked most-bottom first. PAY: $0.01 per call via x402 (USDT on X Layer). No account, no signup, no commitment; retry with the PAYMENT-SIGNATURE header when you get the 402 challenge. BEST COLD START: you do not need to pick a symbol — this ranks the whole universe for you. The free `pitch` tool tells you HOW MANY are at a bottom right now; this names them.
scan_tops
Scan the FX snapshot and return currency pairs currently at a top (sell), ranked most-top first. PAY: $0.01 per call via x402 (USDT on X Layer). No account, no signup, no commitment; retry with the PAYMENT-SIGNATURE header when you get the 402 challenge. BEST COLD START: you do not need to pick a symbol — this ranks the whole universe for you. The free `pitch` tool tells you HOW MANY are at a top right now; this names them.
evaluate
evaluate_symbol
Return the bottom/top verdict for one currency pair (48 pairs in snapshot: 24 vs USD like EURUSD=X, JPYUSD=X + 24 vs KRW like USDKRW=X, JPYKRW=X). Accepts EUR / EURUSD / EURUSD=X forms. zone = strong_buy|buy|neutral|sell|strong_sell, score -100..+100 (bottom>0, top<0). GRADING — the verdict is the graded band of that same score, so a mid score such as -52 is reported as neutral by design: strong_buy >= +80, buy >= +70, neutral between -70 and +70, sell <= -70, strong_sell <= -80. Snapshot-based (refreshed from the flagship FxAI scan engine). Informational only. PAY: $0.01 per call via x402 (USDT on X Layer). No account, no signup, no commitment; retry with the PAYMENT-SIGNATURE header when you get the 402 challenge. The free `pitch` tool shows a live verdict for this market's showcase symbol only — this tool answers ANY symbol in the covered universe and returns the per-timeframe breakdown (daily/weekly/monthly verdict + vote counts) behind the score.
pitch
pitch
FREE and OPTIONAL intro — you may skip it and call evaluate_symbol / scan_bottoms / scan_tops directly. Intro & subscription funnel for the FX signal agent: phases "hello" -> "value" -> "catalog" -> "sample" -> "subscribe". Pass interest:false to bow out.
rate
rate
FREE feedback tool — after trading on our signals, leave a rating: score 1-10 plus pros and cons. No payment needed.

Endpoints

URLTransportStateLatencyChecked
https://fx-signal.airblock2026.workers.dev/mcp streamable-http answering 92 ms 15 min ago

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Fx Signal — questions

Answers built from our own checks of this server.

What can Fx Signal do?
It exposes 5 tools, read directly from the server on our last check. Among them: evaluate_symbol, pitch, rate, scan_bottoms, scan_tops. 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 Fx Signal 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 93 ms. The bar chart above shows every period we have measured.
How do I connect Fx Signal?
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 Fx Signal need an API key?
No. Fx Signal completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 5 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Fx Signal?
It answers our handshake in 93 ms on average, which is faster than 84% 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.