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GateCheck by LarryBuildsAI

One-cent x402 and MCP readiness checks plus fixed-price marketplace launch packs.

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Calidad y seguridad

A
Calidad de la descripción
100%
Integridad del esquema
100%
Calidad de los nombres
90%
Riesgo de envenenamiento
100%
Coincidencia de permisos
100%
Cumplimiento del protocolo
100%

Basado en el análisis automatizado de las definiciones de herramientas y el cumplimiento del protocolo.

Costo de contexto

~2,198Tokens (definiciones de herramientas)
~3.6 KBTamaño de respuesta típico
Impacto moderado en la atención (1.72% del contexto de 128k)

Este es el número aproximado de tokens que se consumen cada vez que las herramientas del servidor se cargan en el contexto de un modelo. Los recuentos más altos reducen la atención disponible para otras tareas.

Instalar

Instalación con un clic

Agrega esto a tu archivo `claude_desktop_config.json`:

{
  "mcpServers": {
    "gatecheck": {
      "url": "https://x402-resource-scanner.vercel.app/gatecheck/mcp"
    }
  }
}

Puntos de conexión remotos

https://x402-resource-scanner.vercel.app/gatecheck/mcpstreamable-http
https://proofbeforepay.vercel.app/gatecheck/mcpstreamable-http

Qué puede hacer

Inventario de herramientas

Herramientas (6)

🟢 Solo lectura🟡 Escritura🔴 Eliminación⚪ Desconocido
🟢boundary_guard_check(nextStep, policy, request, result)

Create a deterministic, read-only pre-action receipt from request, policy, and optional result evidence. Use before an agent posts, spends, lists, or writes so the decision can be audited; no external action is executed.

Esquema de entrada

{
  "type": "object",
  "properties": {
    "nextStep": {
      "description": "Optional guidance stored in the receipt.",
      "type": "string"
    },
    "policy": {
      "description": "Decision object, e.g. allow/retry/review/block and reason.",
      "type": "object"
    },
    "request": {
      "description": "Action metadata the agent is about to perform.",
      "type": "object"
    },
    "result": {
      "description": "Optional result or dry-run summary to hash into evidence.",
      "type": "object"
    }
  },
  "required": [
    "request"
  ],
  "additionalProperties": true
}

Esquema de salida

{
  "type": "object",
  "properties": {
    "claimBoundary": {
      "type": "string"
    },
    "createdAt": {
      "type": "string"
    },
    "decision": {
      "type": "string"
    },
    "evidenceHash": {
      "type": "string"
    },
    "marketplacePositioning": {
      "type": "object"
    },
    "nextStep": {
      "type": "string"
    },
    "receiptId": {
      "type": "string"
    }
  },
  "required": [
    "receiptId",
    "createdAt",
    "decision",
    "evidenceHash",
    "claimBoundary"
  ],
  "additionalProperties": true
}
🟢scan_x402_resource(expected_resources, marketplace_url, url)

Read-only scan of a public API/provider URL for x402, OpenAPI, pricing, and agent-discovery metadata. Pass url, and optionally marketplace_url plus expected_resources, to get a readiness score, issues, and fixes; no private endpoints are called.

Esquema de entrada

{
  "type": "object",
  "properties": {
    "expected_resources": {
      "description": "Optional expected resource count.",
      "type": "integer"
    },
    "marketplace_url": {
      "description": "Optional marketplace/listing URL to compare against public metadata.",
      "type": "string"
    },
    "url": {
      "description": "Target API/provider base URL to scan.",
      "type": "string"
    }
  },
  "required": [
    "url"
  ],
  "additionalProperties": false
}

Esquema de salida

{
  "type": "object",
  "properties": {
    "issues": {
      "items": {
        "type": "string"
      },
      "type": "array"
    },
    "marketplacePositioning": {
      "type": "object"
    },
    "nextSteps": {
      "items": {
        "type": "string"
      },
      "type": "array"
    },
    "prices": {
      "items": {
        "type": "object"
      },
      "type": "array"
    },
    "score": {
      "maximum": 100,
      "minimum": 0,
      "type": "integer"
    },
    "target": {
      "type": "string"
    }
  },
  "required": [
    "target",
    "score",
    "issues",
    "nextSteps"
  ],
  "additionalProperties": true
}
🟢probe_x402_paid_path(expected, method, mode, target)

Probe a public x402 paid endpoint without signing or paying, then parse the HTTP 402 challenge. Pass target plus optional expected network/asset/price to verify payment metadata and receive a deterministic health receipt.

Esquema de entrada

{
  "type": "object",
  "properties": {
    "expected": {
      "additionalProperties": true,
      "description": "Optional expected x402 metadata such as network, asset, and priceUsd.",
      "properties": {
        "asset": {
          "type": "string"
        },
        "network": {
          "type": "string"
        },
        "priceUsd": {
          "type": "string"
        }
      },
      "type": "object"
    },
    "method": {
      "description": "Safe unpaid probe method. Defaults to GET.",
      "enum": [
        "GET",
        "HEAD",
        "OPTIONS"
      ],
      "type": "string"
    },
    "mode": {
      "description": "Probe mode for v1. Defaults to unpaid_402.",
      "enum": [
        "unpaid_402",
        "metadata_only"
      ],
      "type": "string"
    },
    "target": {
      "description": "Specific paid endpoint URL to probe without payment.",
      "type": "string"
    }
  },
  "required": [
    "target"
  ],
  "additionalProperties": false
}

Esquema de salida

{
  "type": "object",
  "properties": {
    "checks": {
      "type": "object"
    },
    "healthy": {
      "type": "boolean"
    },
    "issues": {
      "items": {
        "type": "string"
      },
      "type": "array"
    },
    "observed": {
      "type": "object"
    },
    "receipt": {
      "type": "object"
    },
    "recommendedFixes": {
      "items": {
        "type": "string"
      },
      "type": "array"
    },
    "target": {
      "type": "string"
    }
  },
  "required": [
    "target",
    "healthy",
    "checks",
    "observed",
    "issues",
    "recommendedFixes",
    "receipt"
  ],
  "additionalProperties": true
}
🟢check_agent_tool_readiness(expected, expected_resources, marketplace_url, method, paid_path, ...)

GateCheck readiness: check whether an x402/agent-facing tool is ready for agent routing, marketplace listing, and paid-path monitoring, including public agent discovery surfaces (/llms.txt, /agents.txt, /.well-known/mcp.json, /mcp). Pass target plus optional tier, marketplace_url, expected_resources, and paid_path; deep/report tiers add unpaid 402 probing when paid_path is supplied. Tiers: quick $1, deep $5, report $10.

Esquema de entrada

{
  "type": "object",
  "properties": {
    "expected": {
      "additionalProperties": true,
      "description": "Optional expected x402 network/asset/price metadata for paid_path probes.",
      "type": "object"
    },
    "expected_resources": {
      "description": "Optional expected resource count.",
      "type": "integer"
    },
    "marketplace_url": {
      "description": "Optional marketplace/listing URL to compare against public metadata.",
      "type": "string"
    },
    "method": {
      "description": "Safe unpaid probe method when paid_path is supplied. Defaults to GET.",
      "enum": [
        "GET",
        "HEAD",
        "OPTIONS"
      ],
      "type": "string"
    },
    "paid_path": {
      "description": "Optional specific paid endpoint to probe without payment for deep/report tiers.",
      "type": "string"
    },
    "target": {
      "description": "Target API/provider base URL to scan.",
      "type": "string"
    },
    "tier": {
      "description": "Readiness depth. quick=$1, deep=$5, report=$10. Defaults to quick.",
      "enum": [
        "quick",
        "deep",
        "report"
      ],
      "type": "string"
    }
  },
  "required": [
    "target"
  ],
  "additionalProperties": false
}

Esquema de salida

{
  "type": "object",
  "properties": {
    "checks": {
      "type": "object"
    },
    "healthProbe": {
      "type": [
        "object",
        "null"
      ]
    },
    "issues": {
      "items": {
        "type": "string"
      },
      "type": "array"
    },
    "priceUsd": {
      "type": "string"
    },
    "product": {
      "type": "string"
    },
    "ready": {
      "type": "boolean"
    },
    "recommendedFixes": {
      "items": {
        "type": "string"
      },
      "type": "array"
    },
    "report": {
      "type": "object"
    },
    "scan": {
      "type": "object"
    },
    "score": {
      "maximum": 100,
      "minimum": 0,
      "type": "integer"
    },
    "target": {
      "type": "string"
    },
    "tier": {
      "enum": [
        "quick",
        "deep",
        "report"
      ],
      "type": "string"
    }
  },
  "required": [
    "product",
    "target",
    "tier",
    "priceUsd",
    "ready",
    "score",
    "checks",
    "issues",
    "recommendedFixes"
  ],
  "additionalProperties": true
}
🟢generate_x402_launch_pack(audience, desired_marketplaces, expected, expected_resources, marketplace_url, ...)

Generate marketplace-safe launch assets for an x402/MCP seller: listing copy, buyer FAQ, checklist, approval packet, and claim boundaries. Pass target plus optional product_name, audience, primary_use_case, marketplace_url, and paid_path; service/premium tiers include readiness evidence. Tiers: single $9, service $29, premium $49.

Esquema de entrada

{
  "type": "object",
  "properties": {
    "audience": {
      "description": "Primary buyer/audience for listing copy.",
      "type": "string"
    },
    "desired_marketplaces": {
      "description": "Optional marketplace names to include in launch planning.",
      "items": {
        "type": "string"
      },
      "type": "array"
    },
    "expected": {
      "additionalProperties": true,
      "description": "Optional expected x402 network/asset/price metadata for paid_path probes.",
      "type": "object"
    },
    "expected_resources": {
      "description": "Optional expected resource count.",
      "type": "integer"
    },
    "marketplace_url": {
      "description": "Optional marketplace/listing URL to compare against public metadata.",
      "type": "string"
    },
    "method": {
      "description": "Safe unpaid probe method when paid_path is supplied. Defaults to GET.",
      "enum": [
        "GET",
        "HEAD",
        "OPTIONS"
      ],
      "type": "string"
    },
    "paid_path": {
      "description": "Optional paid endpoint to validate via unpaid 402 challenge for service/premium packs.",
      "type": "string"
    },
    "primary_use_case": {
      "description": "Primary buyer outcome/use case.",
      "type": "string"
    },
    "product_name": {
      "description": "Buyer-facing product title.",
      "type": "string"
    },
    "target": {
      "description": "Target API/provider base URL to package for launch.",
      "type": "string"
    },
    "tier": {
      "description": "Launch pack depth. single=$9, service=$29, premium=$49. Defaults to single.",
      "enum": [
        "single",
        "service",
        "premium"
      ],
      "type": "string"
    }
  },
  "required": [
    "target"
  ],
  "additionalProperties": false
}

Esquema de salida

{
  "type": "object",
  "properties": {
    "approvalRequiredBeforeDistribution": {
      "type": "boolean"
    },
    "claimBoundary": {
      "type": "string"
    },
    "launchPack": {
      "type": "object"
    },
    "priceUsd": {
      "type": "string"
    },
    "product": {
      "type": "string"
    },
    "productName": {
      "type": "string"
    },
    "readiness": {
      "type": "object"
    },
    "readinessScore": {
      "maximum": 100,
      "minimum": 0,
      "type": "integer"
    },
    "readyForDistribution": {
      "type": "boolean"
    },
    "report": {
      "type": "object"
    },
    "target": {
      "type": "string"
    },
    "tier": {
      "enum": [
        "single",
        "service",
        "premium"
      ],
      "type": "string"
    }
  },
  "required": [
    "product",
    "target",
    "tier",
    "priceUsd",
    "productName",
    "readinessScore",
    "approvalRequiredBeforeDistribution",
    "launchPack"
  ],
  "additionalProperties": true
}
🟢generate_trust_receipt(nextStep, payment, policy, request, result)

Generate a deterministic trust receipt from sanitized request/policy/result/payment summaries. Do not submit raw auth headers, cookies, API keys, private keys, payment signatures, payment response headers, customer prompts, customer documents, or payer-identifying evidence.

Esquema de entrada

{
  "type": "object",
  "properties": {
    "nextStep": {
      "description": "Optional receipt next-step guidance.",
      "type": "string"
    },
    "payment": {
      "description": "Optional sanitized payment summary or caller-provided hashes only; do not include raw payment signatures, raw payment response headers, private keys, API keys, cookies, payer-identifying evidence, or wallet secrets.",
      "type": "object"
    },
    "policy": {
      "description": "Sanitized policy or decision summary to hash.",
      "type": "object"
    },
    "request": {
      "description": "Sanitized request/action summary to hash; omit raw prompts, documents, credentials, cookies, auth headers, signatures, and secrets.",
      "type": "object"
    },
    "result": {
      "description": "Sanitized outcome/result summary to hash; omit customer data and secret-like values.",
      "type": "object"
    }
  },
  "required": [
    "request"
  ],
  "additionalProperties": true
}

Esquema de salida

{
  "type": "object",
  "properties": {
    "claimBoundary": {
      "type": "string"
    },
    "createdAt": {
      "type": "string"
    },
    "decision": {
      "type": "string"
    },
    "evidenceHash": {
      "type": "string"
    },
    "marketplacePositioning": {
      "type": "object"
    },
    "nextStep": {
      "type": "string"
    },
    "receiptId": {
      "type": "string"
    }
  },
  "required": [
    "receiptId",
    "createdAt",
    "decision",
    "evidenceHash",
    "claimBoundary"
  ],
  "additionalProperties": true
}

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