well-012-x402-probe

dev.workers.rainmaker-wells.well-012-x402-probePublished by well-012-x402-probe.rainmaker-wells.workers.devOfficial publisherv1.0.0Updated Oct 27, 2026

Unpaid x402 probe: status, latency, payment terms. x402 $0.005 USDC, Base. As is, no warranty.

VerifiedStreamable HTTPWeb executableFinanceDeveloper Tools

Overview

AI-generated overview

Remote MCP server with one tool that probes a public HTTPS URL for x402 payment requirements without paying, returning status, latency and price terms.

What you can do
  • Probe a public HTTPS URL for x402 payment requirements without ever paying
  • Get back HTTP status, latency, whether a 402 response and payment requirements parse, supported networks, minimum price and a schema flag
  • Inspect x402 terms priced in USDC on Base
  • Receive factual results only, with no rating or certification of the target
When to use it
Useful when you want to check whether an endpoint speaks x402 and what it would charge, or to measure its status and latency, before deciding to pay or integrate. It is a read-only inspection step, not a payment client.
Requirements
A remote streamable HTTP endpoint; no authentication, environment variables or headers are declared. The target must be a public HTTPS URL. Probes are capped at roughly 12 seconds, 200KB and 5 redirects.
Before you install
The tool never pays, so it cannot complete a paid x402 request. Results are provided as is with no warranty and are not a rating or certification of the target. Each probe is described as costing $0.005 USDC, so confirm how that charge is applied before relying on it. Only public HTTPS URLs are accepted.

Installation

In SourceWeft

  1. Open well-012-x402-probe in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Use with an agent

Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.

Read https://sourceweft.com/mcp/dev.workers.rainmaker-wells.well-012-x402-probe%2Fx402-probe/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.

Read the install guide the agent follows

Other MCP clients

Add this to your client's mcpServers config.

{
  "mcpServers": {
    "well-012-x402-probe": {
      "type": "http",
      "url": "https://well-012-x402-probe.rainmaker-wells.workers.dev/mcp"
    }
  }
}

Tools

1

x402-probe

x402 probe

Unpaid probe of a public https URL for x402 payment requirements ($0.005 USDC). Never pays. Returns HTTP status, latency, whether 402/payment-requirements parse, networks, min price, schema flag. https only; caps ~12s, 200KB, 5 redirects. Factual only; as is, no guarantee. Not a rating or certification. Provided as is, with no warranty or guarantee of accuracy or fitness. Nothing is stored.

Parametersurlrequiredmethod

Version history

1
  1. v1.0.0LatestOct 21, 2026

Score

72% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

  • Reached in the last 30 daysRequired25 pts
  • Auth declaredRequired10 pts
  • Tools listedRequired15 pts
  • DescriptionRequired15 pts
  • Logo10 pts

    Publish an icon in the registry entry.

  • Documentation15 pts

    Declare a GitHub repository with a README, or serve resource_documentation in the OAuth protected-resource metadata.

  • LicenseNot applicable

    A hosted service is used under its provider's terms, so no license is expected here. This check is left out of the percentage.