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Sylex Search MCP Server

not responding

Sylex Search is listed as active in the registry but did not answer our last check. 33 installs a week from npm. It exposes 3 tools. Last commit 25 Apr 2026.

Universal search engine for AI agents. Discover products, services, and businesses via MCP.

Installs per day peak 28 · avg 11 · +3% w/w
a month agotoday
Uptime history 51 days of history · worst day 0%
51 days agonow
0.0%
Uptime 24h
0 of 91 checks
3
Tools
read from the server
194 ms
Response time
average over 24h
33
Installs / week
npm and PyPI

What the code does

We read the source, 16 h ago · tools taken from the live server · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

File ships in the package but is absent from the source [пакет] bin/cli.js:1
этот файл ставится пользователю, но в репозитории его нет

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

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 13 min ago.

run in your terminal
claude mcp add sylex-search --transport http https://mcp-server-production-38c9.up.railway.app/sse
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "sylex-search": {
      "url": "https://mcp-server-production-38c9.up.railway.app/sse"
    }
  }
}
~/.codex/config.toml
[mcp_servers.sylex-search]
url = "https://mcp-server-production-38c9.up.railway.app/sse"
.cursor/mcp.json
{
  "mcpServers": {
    "sylex-search": {
      "url": "https://mcp-server-production-38c9.up.railway.app/sse"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "sylex-search": {
      "url": "https://mcp-server-production-38c9.up.railway.app/sse"
    }
  }
}

Available tools 3

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

add
add
Adds two numbers and returns the sum.
echo
echo
Echoes the provided text back to the caller.
server
server_time
Returns the current server time (ISO 8601, UTC).

Endpoints

URLTransportStateLatencyChecked
https://mcp-server-production-38c9.up.railway.app/sse sse answering 194 ms 13 min ago

Alternatives to Sylex Search

same job, measured the same way
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MESSORA
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Official SerpApi MCP server for Google, Bing, and other search engines.

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Llmse
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Public MCP server for the LLM Search Engine

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Searxng MCP
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MCP server for SearXNG aggregator — web search across multiple engines via Model Context Protocol

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Patents MCP
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Sylex Search — questions

Answers built from our own checks of this server.

What can Sylex Search do?
It exposes 3 tools, read directly from the server on our last check. Among them: add, echo, server_time. 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 Sylex Search working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 91 checks got a reply (0.0%), average response time 194 ms. The bar chart above shows every period we have measured.
The registry lists Sylex Search as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect Sylex Search?
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 Sylex Search need an API key?
No. Sylex Search completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.
How many people use Sylex Search?
The npm package sylex-search was installed 33 times in the last week. Week over week that is +3%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Sylex Search open source?
Yes — it is published under the AGPL-3.0 licence, written in Python and 4 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.