INDIVIDUAL MCP TOOL

code402_probe_endpoint

Send an unpaid GET to any public https URL and report whether it answers with a valid x402 402 challenge, plus normalized terms { scheme, network, amount (USDC base units), price (dollars), payTo, asset }.

code402.devnone authenticationAvailability not checked

LIVE ENDPOINT

https://mcp.code402.dev/mcp

No auth detected

Connect to this endpoint to inspect the live schema for code402_probe_endpoint 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 retrieving external content.
A tool name or description suggests sending messages.

Parent server

code402.dev

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.code402-mcp-server]
url = "https://mcp.code402.dev/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "code402-mcp-server": {
      "type": "http",
      "url": "https://mcp.code402.dev/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: code402-mcp-server
Remote MCP URL: https://mcp.code402.dev/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": {
    "code402-mcp-server": {
      "url": "https://mcp.code402.dev/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "code402-mcp-server": {
      "type": "http",
      "url": "https://mcp.code402.dev/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "code402-mcp-server",
  "transport": "streamable-http",
  "url": "https://mcp.code402.dev/mcp"
}

MCP Inspector

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

Related tools

code402_list_services — List services on the code402 gateway storefront (GET /v1/services): first-party APIs and third-party seller listings, each with method, URL, USDC price, and network.
code402_get_service — Fetch a single service from the code402 storefront by its serviceId (as returned by code402_list_services).
code402_gateway_health — Check the code402 gateway's /healthz: returns { status, service, network } where network is the settlement chain currently configured (e.
code402_register_seller — Register a seller on the code402 gateway (or update its name — the payout wallet is immutable once set; re-binding requires EIP-191 proof): POST /v1/sellers with { id, wallet, name }.
code402_create_listing — Create or update a paid listing for a registered seller: POST /v1/sellers/{sellerId}/services with { serviceId, upstream_url, price_usd, method?
code402_get_seller_analytics — Fetch a seller's own settlement analytics (free): GET /v1/sellers/{sellerId}/analytics.
code402_get_seller_invoice — Compute a seller's platform-fee invoice from settled receipts: GET /v1/sellers/{sellerId}/invoice?