Coin Signal is answering right now. Last checked 5 min ago. It exposes 6 tools.
Crypto bottom/top signals: verdict + score per coin, market scans. Pay-per-call x402.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 7 September 2026. No other catalogue keeps this.
Today is the operative word: we check Coin Signal every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.
claude mcp add coin-signal --transport http https://coin-signal.airblock2026.workers.dev/mcp
{
"mcpServers": {
"coin-signal": {
"url": "https://coin-signal.airblock2026.workers.dev/mcp"
}
}
}
[mcp_servers.coin-signal]
url = "https://coin-signal.airblock2026.workers.dev/mcp"
{
"mcpServers": {
"coin-signal": {
"url": "https://coin-signal.airblock2026.workers.dev/mcp"
}
}
}
{
"mcpServers": {
"coin-signal": {
"url": "https://coin-signal.airblock2026.workers.dev/mcp"
}
}
}
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
scan_bottoms
scan_tops
evaluate_symbol
pitch
rate
subscribe
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://coin-signal.airblock2026.workers.dev/mcp | streamable-http | answering | 59 ms | 5 min ago |
Korea stock (KOSPI/KOSDAQ) bottom/top signals: verdict + score, scans. Pay-per-call x402.
US stock bottom/top signals: S&P500 + indexes, verdict + score, scans. Pay-per-call x402.
11 tools: crypto signals, sentiment, macro regime, arena, search, exec. x402 pay-per-call.
Crypto market intelligence MCP — pay-per-tool-call in USDC on Base via the x402 protocol.
Crypto market signals and portfolio telemetry. 6 tools pay-per-call in USDC, no API key.
Crypto signals, Kalshi prediction markets, wallet AML. x402 USDC on Base.
Pay-per-call x402 tools: crypto market pulse, wallet reputation, token check, endpoint search.
AI-operated crypto signal scores for 20 Coinbase USDC pairs. $0.001/call via x402.
Answers built from our own checks of this server.