mcpbeat

x402 Bazaar Listing Monitor MCP Server

com.acjlabs/x402-listing-monitor
answering

x402 Bazaar Listing Monitor is answering right now. Last checked 8 min ago. It exposes 1 tools. Last commit 2 Aug 2026.

Checks x402 Bazaar resource listings against the public discovery catalog and flags drops.

Uptime history 39 hours of history
39 hours agonow
100.0%
Uptime 24h
91 of 91 checks
1
Tools
read from the server
174 ms
Response time
average over 24h
1
Stars
last commit 2 Aug 2026

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

run in your terminal
claude mcp add x402-listing-monitor --transport http https://x402-listing-monitor.acjlabs.com/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "x402-listing-monitor": {
      "url": "https://x402-listing-monitor.acjlabs.com/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.x402-listing-monitor]
url = "https://x402-listing-monitor.acjlabs.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "x402-listing-monitor": {
      "url": "https://x402-listing-monitor.acjlabs.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "x402-listing-monitor": {
      "url": "https://x402-listing-monitor.acjlabs.com/mcp"
    }
  }
}

Available tools 1

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

listing
check_listing_health
Checks whether a seller's x402 Bazaar resources are currently listed under the given payTo address in the public discovery catalog. Flags each resource as listed or missing — the same per-seller diff the registered poller runs on a schedule, run once on demand for a payTo/resources pair whether or not it has been registered with this service.

Endpoints

URLTransportStateLatencyChecked
https://x402-listing-monitor.acjlabs.com/mcp streamable-http answering 248 ms 8 min ago

x402 Bazaar Listing Monitor — questions

Answers built from our own checks of this server.

What can x402 Bazaar Listing Monitor do?
It exposes 1 tools, read directly from the server on our last check. Among them: check_listing_health. 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 x402 Bazaar Listing Monitor 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 174 ms. The bar chart above shows every period we have measured.
How do I connect x402 Bazaar Listing Monitor?
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 x402 Bazaar Listing Monitor need an API key?
No. x402 Bazaar Listing Monitor completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is x402 Bazaar Listing Monitor?
It answers our handshake in 174 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.
Is x402 Bazaar Listing Monitor open source?
Yes — 1 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.