cosmic-mcp

All servers

x402 endpoint checker

dev.workers.soloearn.x402-seller-kit/x402-checker · version 1.0.0

Community listing. Not installed or verified by cosmic-mcp. Read the source and its permissions before you run it.

Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.

https://x402-seller-kit.soloearn.workers.dev/tools/x402-checker

Quick facts

  • Listing: Verified domain
  • Published Oct 8, 13:20 UTC
  • Transport: streamable-http
  • Listed by cosmic-mcp: Nov 9, 04:24 UTC

Testing and QA

Setup snippets

Generated from the registry entry. cosmic-mcp has not run or reviewed this server; values in angle brackets are yours to fill in.

Remote MCP URL (Claude and ChatGPT custom connectors)

https://x402-seller-kit.soloearn.workers.dev/mcp

Claude Code

claude mcp add --transport http 'x402-checker' 'https://x402-seller-kit.soloearn.workers.dev/mcp'

Cursor (.cursor/mcp.json)

{
  "mcpServers": {
    "x402-checker": {
      "url": "https://x402-seller-kit.soloearn.workers.dev/mcp"
    }
  }
}

VS Code (.vscode/mcp.json)

{
  "servers": {
    "x402-checker": {
      "type": "http",
      "url": "https://x402-seller-kit.soloearn.workers.dev/mcp"
    }
  }
}

Related servers

  • Ask Your Audience Verified domain
    Test ideas, messages and ads with Human Digital Twins built from real people, in your AI assistant.
  • .NET MCP Server
    AI assistant access to .NET SDK for projects, packages, building, testing, and development tools.
  • 0s and 1s CIS calculators Verified domain
    Free UK CIS calculators: deductions, deadlines, late penalties, gross payment test, verification.
  • 369 Meter — pay-per-call APIs for agents (x402)
    Pay-per-call APIs for agents: text analysis, game facts, translation QA, hook scoring via x402.
  • 3D2HOLO Verified domain
    Lenticular printing toolkit for AI: pitch test charts, print quotes, and workflow guides.
  • 3TG Test Generation Verified domain
    3rd Generation Testing (3TG) — generate deterministic test suites from Markdown spec tables via MCP.