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MCP live MCP 2026-07-28 streamable-http

x402 Pay — USDC API Payment Helper

com.scriptmasterlabs/x402-pay

Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status.

Watch this dependency Share evidence report
Uptime
100.0%
5 direct probes · 30d
Response
1195ms
last probe
Tools
5
callable
Resources
0
readable
Prompts
0
available
Score: 100/100
Handshake verified by our own probe.
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
5 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
5 items in total; 3 or more earns these points.
pass Describes itself 10/10
93 characters; more than 30 earns these points.

Tools · 5

payment_info

Read the documented SML x402 v2 Base/USDC configuration and receiver before selecting a paid route. Returns configuration and a read-only policy. Fresh resource requirements override these hints; this…

list_paid_apis

List paid API operations declared by the live SqueezeOS OpenAPI document, bounded by limit. Returns method, path, job and advertised price. Use for route selection, then inspect that resource's fresh …

check_payment

Inspect a public HTTPS URL for a fresh x402 v2 HTTP 402 challenge using an unsigned GET with a 10-second network timeout and no redirect following. Returns validated payTo, asset, network, atomic amou…

x402_inspect_challenge

Inspect a fresh x402 v2 challenge without sending payment. Compatible alias of check_payment with the same schema, 10-second unsigned probe and result. Use before a paid resource call; do not use as a…

check_status

Read the current SqueezeOS backend status and payment-readiness evidence. Returns both upstream envelopes and autonomous_spend=false. Use to diagnose readiness before purchase; HTTP availability or re…

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://squeezeos-api.onrender.com/mcp/x402-pay

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "x402_pay_\u2014_usdc_api_payment_helper": {
      "url": "https://squeezeos-api.onrender.com/mcp/x402-pay",
      "transport": "streamable-http"
    }
  }
}