Find and vet x402 payment APIs before your agent pays one: uptime, price, on-chain volume.
Connect Remote server
claude mcp add --transport http x402-list-mcp https://mcp.x402-list.com/mcp
{
"mcpServers": {
"x402-list-mcp": {
"url": "https://mcp.x402-list.com/mcp"
}
}
}
{
"servers": {
"x402-list-mcp": {
"type": "http",
"url": "https://mcp.x402-list.com/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://mcp.x402-list.com/mcp
Tools 7 found in our last check
x402_search_servicesYour first call when you do not know which x402 service exists for a job: it narrows the directory of listed services to candidates. Filter by free-text query, category, network, live status, and whether the last observed 402 envelope is signable by a standard x402 client; sort…
x402_get_serviceCall this once you hold a slug and are deciding whether to commit to that service: the full record behind a directory row. Live status, uptime over 24h/7d/30d/90d, average response time, networks and settlement asset, every priced endpoint, and the assessment block. When the liv…
x402_find_best_serviceCall this when you have a need in words and want one service to call rather than a list to read: it is the free ranking step between searching and paying. Pass the need as q, plus any category, network, price cap or verification requirement, and get up to 20 ranked recommendatio…
x402_check_healthCall this before you send a payment, or right after a call unexpectedly failed: is this service up right now. With no slug, the directory snapshot: five status counts across the directory (include_services=true attaches every row). With a slug: that service's status, its 24h/7d/…
x402_facilitator_volumesCall this when the question is about the rail rather than the service: which x402 facilitator actually settles money, and how much. Returns on-chain-verified settlement volume and transaction counts per facilitator for today (UTC), 7d, 30d and all-time, plus a verification flag…
x402_assess_servicesCall this when the free signals have run out: you hold 2 to 8 finalists from x402_search_services or x402_find_best_service, their stored fields do not separate them for YOUR stated need, and choosing wrong costs more than a quarter. It buys one fresh AI assessment reasoned agai…
x402_change_eventsCall this before you trust anything you cached about a service, and right after a payment failed for no obvious reason: the monitor's log of what moved under you. Returns payTo, price and 402-schema changes observed on listed services, most recent first, in exactly three event t…
Details
| Endpoint | https://mcp.x402-list.com/mcp (Streamable HTTP) |
| Package | [email protected] (NPM, stdio) |
| First published | 10 Oct 2026 |
| Last updated | 10 Oct 2026 |
| Registry name | com.x402-list/x402-list-mcp |
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