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Obol MCP Server

by fly-obol-x402 Your server? Claim it
answering

Obol is answering right now. Last checked 4 min ago. It exposes 3 tools.

Pre-trade safety verdicts for agents: token rug/honeypot, calldata guard, wallet risk — signed x402.

Uptime history 51 days of history · worst day 0%
51 days agonow
100.0%
Uptime 24h
91 of 91 checks
3
Tools
read from the server
1401 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

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

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 4 min ago.

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

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://obol-mcp.fly.dev/mcp streamable-http answering 183 ms 4 min ago

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Obol — questions

Answers built from our own checks of this server.

What can Obol 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 Obol 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 1401 ms. The bar chart above shows every period we have measured.
How do I connect Obol?
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 Obol need an API key?
No. Obol 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 fast is Obol?
It answers our handshake in 1401 ms on average, which is faster than 4% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.