RMCP.DEV
← 558686.xyz

INDIVIDUAL MCP TOOL

gpt55_x402_payment_failure_doctor

Diagnose why an x402 payment did not convert from quote to settled response: missing X-PAYMENT header, payTo/network/amount mismatch, wallet spend-cap block, verify failure, settle failure, or post-payment response delivery issue.

558686.xyznone authenticationAvailability not checked

LIVE ENDPOINT

https://gpt55.558686.xyz/mcp

No auth detected

Connect to this endpoint to inspect the live schema for gpt55_x402_payment_failure_doctor and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Potential side effects detected · medium confidence · heuristic, not a guarantee.

  • A tool name or description contains a write-action term.
  • A tool name or description suggests a financial action.

Parent server

558686.xyz

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.gpt55-x402-gateway]
url = "https://gpt55.558686.xyz/mcp"
enabled = true
Claude Code

.mcp.json

{
  "mcpServers": {
    "gpt55-x402-gateway": {
      "type": "http",
      "url": "https://gpt55.558686.xyz/mcp"
    }
  }
}
Claude Desktop

Settings → Connectors → Add custom connector

Name: gpt55-x402-gateway
Remote MCP URL: https://gpt55.558686.xyz/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "gpt55-x402-gateway": {
      "url": "https://gpt55.558686.xyz/mcp"
    }
  }
}
Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code 
{
  "servers": {
    "gpt55-x402-gateway": {
      "type": "http",
      "url": "https://gpt55.558686.xyz/mcp"
    }
  }
}
Generic MCP

Client-specific MCP configuration

{
  "name": "gpt55-x402-gateway",
  "transport": "streamable-http",
  "url": "https://gpt55.558686.xyz/mcp"
}
MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

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