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x402 Pay — USDC API Payment Helper

R0· no sign-in

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

v1.0.0 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality80good
Trust89of 100
Uptime, 30 days99%
Latency p50358 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "x402-pay": {
      "type": "http",
      "url": "https://squeezeos-api.onrender.com/mcp/x402-pay"
    }
  }
}
claude mcp add --transport http x402-pay https://squeezeos-api.onrender.com/mcp/x402-pay
[mcp_servers.x402-pay]
url = "https://squeezeos-api.onrender.com/mcp/x402-pay"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "x402-pay": {
      "type": "remote",
      "url": "https://squeezeos-api.onrender.com/mcp/x402-pay",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "x402-pay": {
      "type": "http",
      "url": "https://squeezeos-api.onrender.com/mcp/x402-pay"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=x402-pay&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vc3F1ZWV6ZW9zLWFwaS5vbnJlbmRlci5jb20vbWNwL3g0MDItcGF5In0%3D"
}
{
  "servers": {
    "x402-pay": {
      "type": "http",
      "url": "https://squeezeos-api.onrender.com/mcp/x402-pay"
    }
  }
}
{
  "mcpServers": {
    "x402-pay": {
      "httpUrl": "https://squeezeos-api.onrender.com/mcp/x402-pay"
    }
  }
}
extensions:
  "x402-pay":
    enabled: true
    name: "x402-pay"
    type: streamable_http
    uri: "https://squeezeos-api.onrender.com/mcp/x402-pay"
    timeout: 300

Quality 80 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene100 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations5 of 5 tools declare readOnlyHint or destructiveHint
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 770 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability50 · weight 15
  • pass
    stability.changes5 tool changes in 30 days
  • fail
    stability.rug_pull4 tools kept their name but changed most of their description in 30 days; review before trusting them
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

5 tools, about 770 tokens to load them all · tool set eebfa8db94bd · tools last changed 2026-10-13 · checked 2026-10-20 02:33 UTC

Tool changes

  • check_statuschangeddescription, output schemameaning changed
    before

    Check the live always-on SqueezeOS payment authority.

    after · 8% of words in common

    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 readiness flags alone do not establish settled or accepted delivery.

  • x402_inspect_challengeadded

    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 signer, receipt verifier or settlement proof. Non-402 and incomplete challenges remain null rather than receiving invented defaults.

  • check_paymentchangeddescription, input schema, output schemameaning changed
    before

    Inspect an HTTPS URL for a live x402 402 challenge without sending payment.

    after · 15% of words in common

    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 amount, resource and maxTimeoutSeconds; incomplete or non-x402 responses return challenge=null and a reason. Does not sign, settle or verify receipts. Fresh requirements override documented receiver hints; inspect canonical_receiver_match before choosing to pay.

  • list_paid_apischangeddescription, input schema, output schemameaning changed
    before

    List live SML x402 paid API operations from the canonical SqueezeOS OpenAPI document.

    after · 21% of words in common

    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 402 challenge; listed prices do not authorize payment.

  • payment_infochangeddescription, output schemameaning changed
    before

    Return the canonical ScriptMasterLabs x402 payment network and receiver. Never spends.

    after · 10% of words in common

    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 tool does not sign, spend or prove settlement.

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 89 / 100

duplicate-repo
provenance85
liveness100
freshness85
hygiene80

+repository +dns-namespace +website +reachable +uptime-99% ~updated-44d-ago -duplicate-repo(4 names)

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://squeezeos-api.onrender.com/mcp/x402-pay streamable-httpnoneyes99%358 ms2025-11-252026-10-20

Tools (5)

check_paymentread-onlyInspect 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 amount, resource and maxTimeoutSeconds; incomplete or non-x402 responses return challenge=null and a reason. Does not sign, settle or verify receipts. Fresh requirements override documented receiver hints; inspect canonical_receiver_match before choosing to pay.
check_statusread-onlyRead 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 readiness flags alone do not establish settled or accepted delivery.
list_paid_apisread-onlyList 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 402 challenge; listed prices do not authorize payment.
payment_inforead-onlyRead 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 tool does not sign, spend or prove settlement.
x402_inspect_challengeread-onlyInspect 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 signer, receipt verifier or settlement proof. Non-402 and incomplete challenges remain null rather than receiving invented defaults.

Schemas: list_tools.

Also listed as

3 other active names share this repository: com.scriptmasterlabs/ghostkey, com.scriptmasterlabs/provider-trust, com.scriptmasterlabs/x402-gateway

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More from com.scriptmasterlabs

Official server.json
{
  "name": "com.scriptmasterlabs/x402-pay",
  "_meta": {
    "io.modelcontextprotocol.registry/publisher-provided": {
      "tools": [
        "payment_info",
        "list_paid_apis",
        "check_payment",
        "check_status"
      ],
      "hosting": "always_on_squeezeos_core",
      "payment": {
        "asset": "USDC",
        "pay_to": "0xc29185fa176357612f3194735753e520e91adc46",
        "network": "eip155:8453",
        "standard": "x402-v2"
      },
      "provider": "SCRIPTMASTERLABS",
      "buyer_job": "Pay for an API with USDC.",
      "read_only": true,
      "legal_name": "Script Master Labs, LLC",
      "autonomous_spend": false
    }
  },
  "title": "x402 Pay — USDC API Payment Helper",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://squeezeos-api.onrender.com/mcp/x402-pay",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "repository": {
    "url": "https://gitlab.com/timothy.walton45/sml-portfolio",
    "source": "gitlab"
  },
  "websiteUrl": "https://www.scriptmasterlabs.com/stack.html",
  "description": "Pay for APIs with USDC. Read-only x402 payment discovery, verification, evidence, and status."
}