Base Approval Risk Check MCP Server

by madebydevx-approvals Your server? Claim it

answering

Base Approval Risk Check is answering right now. Last checked 7 min ago. It exposes 2 tools.

Find risky ERC-20 approvals on a Base wallet and get revoke calldata. Paid x402 report.

Uptime history 24 hours of history

24 hours agonow

100.0%

Uptime 24h

89 of 89 checks

Tools

read from the server

161 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Base Approval Risk Check 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 7 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add approvals --transport http https://approvals.madebydevx.com/mcp

Settings → Connectors → Add custom connector, then paste this address

https://approvals.madebydevx.com/mcp

~/.codex/config.toml

[mcp_servers.approvals]
url = "https://approvals.madebydevx.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "approvals": {
      "url": "https://approvals.madebydevx.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "approvals": {
      "type": "http",
      "url": "https://approvals.madebydevx.com/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.

approvals

approvals_check_address

Free: checks the 0x address format and whether it is an EOA or contract on Base before you pay.

approvals_quote

Free: price, payTo and the exact x402 URL to buy a Base ERC-20 approval risk report (unlimited/over-balance approvals + revoke calldata) for a wallet.

Endpoints

URL	Transport	State	Latency	Checked
https://approvals.madebydevx.com/mcp	streamable-http	answering	177 ms	7 min ago

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Base Approval Risk Check — questions

Answers built from our own checks of this server.

What can Base Approval Risk Check do?

It exposes 2 tools, read directly from the server on our last check. Among them: approvals_check_address, approvals_quote. 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 Base Approval Risk Check working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 89 of 89 checks got a reply (100.0%), average response time 161 ms. The bar chart above shows every period we have measured.

How do I connect Base Approval Risk Check?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Base Approval Risk Check need an API key?

No. Base Approval Risk Check completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Base Approval Risk Check?

It answers our handshake in 161 ms on average, which is faster than 81% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.