Connect x402 Bazaar Listing Monitor and your agent gets 1 tool, among them check_listing_health. It answers at https://x402-listing-monitor.acjlabs.com/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 10 of 10 times since 4 September 2026; the last check, on 17 October 2026, succeeded.
Checks x402 Bazaar resource listings against the public discovery catalog and flags drops.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
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 Inputs: payTo, resources |
Every block below points at https://x402-listing-monitor.acjlabs.com/mcp. Pick your client and copy.
claude mcp add --transport http x402-bazaar-listing-monitor https://x402-listing-monitor.acjlabs.com/mcp
{
"mcpServers": {
"x402-bazaar-listing-monitor": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://x402-listing-monitor.acjlabs.com/mcp"]
}
}
}{
"mcpServers": {
"x402-bazaar-listing-monitor": {
"url": "https://x402-listing-monitor.acjlabs.com/mcp"
}
}
}{
"servers": {
"x402-bazaar-listing-monitor": {
"type": "http",
"url": "https://x402-listing-monitor.acjlabs.com/mcp"
}
}
}{
"context_servers": {
"x402-bazaar-listing-monitor": {
"url": "https://x402-listing-monitor.acjlabs.com/mcp"
}
}
}{
"mcpServers": {
"x402-bazaar-listing-monitor": {
"serverUrl": "https://x402-listing-monitor.acjlabs.com/mcp"
}
}
}{
"mcpServers": {
"x402-bazaar-listing-monitor": {
"url": "https://x402-listing-monitor.acjlabs.com/mcp"
}
}
}name: x402 Bazaar Listing Monitor
version: 0.0.1
schema: v1
mcpServers:
- name: x402 Bazaar Listing Monitor
type: streamable-http
url: https://x402-listing-monitor.acjlabs.com/mcp{
"mcpServers": {
"x402-bazaar-listing-monitor": {
"httpUrl": "https://x402-listing-monitor.acjlabs.com/mcp"
}
}
}{
"mcpServers": {
"x402-bazaar-listing-monitor": {
"type": "http",
"url": "https://x402-listing-monitor.acjlabs.com/mcp"
}
}
}{
"mcpServers": {
"x402-bazaar-listing-monitor": {
"url": "https://x402-listing-monitor.acjlabs.com/mcp"
}
}
}goose://extension?url=https%3A%2F%2Fx402-listing-monitor.acjlabs.com%2Fmcp&type=streamable_http&id=x402-bazaar-listing-monitor&name=x402%20Bazaar%20Listing%20Monitor
It answered our last check on 17 October 2026 in 204 ms. Over 10 checks since 4 September 2026 it answered 10. Status here comes from Neuronto's own probes, not from the publisher.
Yes. It is published by acjlabs.com and served from x402-listing-monitor.acjlabs.com, the vendor's own domain: https://x402-listing-monitor.acjlabs.com/mcp.
1, as returned by the server's own tools/list on 9 September 2026: check_listing_health.
It answered our last check on 17 October 2026 in 204 ms. Over 10 checks since 4 September 2026 it answered 10.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://x402-listing-monitor.acjlabs.com/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: com.acjlabs. Endpoint host: x402-listing-monitor.acjlabs.com. ARD identifier: urn:air:com.acjlabs:mcp:x402-listing-monitor.
First indexed 31 August 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.