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Signal Relay MCP Server

by sociologicai Your server? Claim it
answering

Signal Relay is answering right now. Last checked 14 min ago. 29 installs a week from npm. Last commit 17 May 2026.

Connect AI agents to SocioLogic's synthetic persona platform for market research.

Installs per day peak 28 · avg 8 · +45% w/w
a month agotoday
Uptime history 51 days of history · worst day 93%
51 days agonow
94.5%
Uptime 24h
86 of 91 checks
—
Tools
hidden behind auth
206 ms
Response time
average over 24h
29
Installs / week
npm and PyPI

Signal Relay does not always answer

Over the last week it answered 98.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

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 14 min ago.

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

This endpoint answered with an authorization challenge. The server is running, but it did not say what kind of credentials it expects.

Endpoints

URLTransportStateLatencyChecked
https://mcp.sociologic.ai streamable-http needs auth 102 ms 14 min ago

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Signal Relay — questions

Answers built from our own checks of this server.

Why is there no tool list for Signal Relay?
The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 94.5% of checks in the last 24 hours got a reply.
Is Signal Relay working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 86 of 91 checks got a reply (94.5%), average response time 206 ms. The bar chart above shows every period we have measured.
How do I connect Signal Relay?
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. You will need your own credentials: it refuses anonymous clients.
Does Signal Relay need an API key?
Yes. Every time we knock, Signal Relay answers with an authorization challenge instead of its tool list — that is how we know it is running and gated rather than broken. Bring your own credentials and it will talk.
How fast is Signal Relay?
It answers our handshake in 206 ms on average, which is faster than 68% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
How many people use Signal Relay?
The npm package signal-relay-mcp was installed 29 times in the last week. Week over week that is +45%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Signal Relay open source?
Yes — it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.