Signalcrest MCP Server

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answering

Signalcrest is answering right now. Last checked 13 min ago. It exposes 4 tools.

Cross-source trend signals from 10 developer communities, scored every 30 minutes.

Uptime history 12 days of history · worst day 93%

12 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

325 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Signalcrest every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add signalcrest --transport http https://www.signalcrest.app/api/mcp

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

{
  "mcpServers": {
    "signalcrest": {
      "url": "https://www.signalcrest.app/api/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.signalcrest]
url = "https://www.signalcrest.app/api/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "signalcrest": {
      "url": "https://www.signalcrest.app/api/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "signalcrest": {
      "url": "https://www.signalcrest.app/api/mcp"
    }
  }
}

Available tools 4

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

entities

list_entities

Trending entities (products, companies, libraries, technologies) ranked by cross-source momentum. An entity aggregates every post, repo and release mentioning it across ten developer and builder communities — one row per trend rather than per post. Prefer this over list_signals when the user asks about trends or technologies; use list_signals for individual posts.

entity

get_entity

Full detail for one entity by name (e.g. "kubernetes"): current composite score, complete score history, which communities are talking about it, and the live member items (evidence) behind the score. Names come from list_entities.

signals

list_signals

Top technology signals ranked by momentum right now, scored every 30 minutes across ten developer and builder communities (Hacker News, GitHub, Stack Overflow, npm, Hugging Face, Dev.to, Lobsters, Product Hunt, arXiv, crypto governance forums). Call this to find what is gaining traction before it reaches search-trend tools — e.g. when the user asks what is emerging, trending, or worth paying attention to in a technology area. Returns live unredacted data with no delay.

topic

get_topic

Full detail and complete score history for one topic, by id (e.g. "hn:48910545", "gh:1287845516"). Call this after list_signals to see how a specific signal has moved over time, its cross-source corroboration, and its lifecycle stage. Ids come from list_signals.

Endpoints

URL	Transport	State	Latency	Checked
https://www.signalcrest.app/api/mcp	streamable-http	answering	310 ms	13 min ago

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Signalcrest — questions

Answers built from our own checks of this server.

What can Signalcrest do?

It exposes 4 tools, read directly from the server on our last check. Among them: get_entity, get_topic, list_entities, list_signals. 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 Signalcrest 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 325 ms. The bar chart above shows every period we have measured.

How do I connect Signalcrest?

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 Signalcrest need an API key?

No. Signalcrest completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Signalcrest?

It answers our handshake in 325 ms on average, which is faster than 50% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.