{
 "id": "ca.jiangzhang.api/signals-api-mcp",
 "name": "AI Signals (Signals API)",
 "description": "Daily AI signals for agents: today's 4 signals, what changed, ranked models and repos",
 "connect": {
  "transport": "streamable-http",
  "url": "https://data.jiangzhang.ca/signals4/mcp"
 },
 "website": "https://github.com/jiangzhangcc-glitch/signals-api-mcp",
 "version": "1.0.0",
 "source": "official MCP registry (registry.modelcontextprotocol.io)",
 "reliability": {
  "verdict": "reliable",
  "attempts": 14,
  "successes": 14,
  "successRate": 1,
  "consecutiveSuccesses": 14,
  "lastStatus": "ok",
  "lastCheckedAt": "2026-10-19T22:15:39.963Z",
  "lastLatencyMs": 6771,
  "toolsAdvertised": 5,
  "method": "MCP initialize + tools/list from Faceabot, identified as FaceabotProbe/1.0 plus, when the server declares a read-only tool (readOnlyHint), one call of that tool with a neutral sample input to check it really returns a result. Servers on the 2026-07-28 MCP revision (no initialize handshake) get the same checks in that revision",
  "work": {
   "verdict": "not_tested",
   "note": "Faceabot has not run a real task on this server yet (it only tests tools that declare themselves read-only)."
  }
 },
 "details": "https://faceabot.com/api/catalog?id=ca.jiangzhang.api%2Fsignals-api-mcp",
 "page": "https://faceabot.com/tools/ca.jiangzhang.api/signals-api-mcp",
 "badge": {
  "image": "https://faceabot.com/badge/ca.jiangzhang.api/signals-api-mcp.svg",
  "markdown": "[![Measured by Faceabot](https://faceabot.com/badge/ca.jiangzhang.api/signals-api-mcp.svg)](https://faceabot.com/tools/ca.jiangzhang.api/signals-api-mcp)",
  "note": "Live reliability badge the publisher of this server can show on its README or website."
 },
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  {
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   "f_status": "no_safe_tool"
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 ],
 "trust": {
  "access": "no sign-in needed",
  "tools": 5,
  "declaredReadOnly": 0,
  "declaredCanWrite": 5,
  "declaredDestructive": 0,
  "toolDefinitionsFingerprint": "0ec76f0cb785e1be4415bef18b18f137",
  "toolDefinitionsLastChangedAt": null,
  "toolDefinitionChangesSinceFirstSeen": 0,
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  "protocol": "2025-06-18",
  "warnings": [],
  "note": "Facts observed by Faceabot when it last read this server's tool list. 'Can write' counts tools not declared read-only (annotations are self-declared). A changed fingerprint means tool names, descriptions or schemas changed since Faceabot first saw them: re-check before trusting an earlier approval."
 }
}