Keryx is answering right now. Last checked 10 min ago. 36 installs a week from npm. It exposes 2 tools. Last commit 15 Sep 2026.
Autonomous research agent that pays every source it cites in USDC on Arc via x402 micropayments.
What the code does
We read the source, 20 h ago · tools taken from the live server · rules 3dff92dd89df
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.
return `https://api.telegram.org/bot${botToken}/${method}`;
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.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.
claude mcp add keryx --transport http https://keryx.cc/mcp{
"mcpServers": {
"keryx": {
"url": "https://keryx.cc/mcp"
}
}
}[mcp_servers.keryx]
url = "https://keryx.cc/mcp"{
"mcpServers": {
"keryx": {
"url": "https://keryx.cc/mcp"
}
}
}{
"mcpServers": {
"keryx": {
"url": "https://keryx.cc/mcp"
}
}
}Available tools 2
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
keryx_status
research
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://keryx.cc/mcp | streamable-http | answering | 682 ms | 10 min ago |
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Keryx — questions
Answers built from our own checks of this server.