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GateCheck by LarryBuildsAI

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

我该使用它吗

质量与安全性

A
描述质量
100%
模式完整度
100%
命名质量
90%
投毒风险
100%
权限匹配度
100%
协议合规性
100%

基于对工具定义和协议合规性的自动分析。

上下文开销

~2,198token 数（工具定义）
~3.6 KB典型响应大小
对注意力有中等影响（占 128k 上下文窗口的 1.72%）

这是每次将服务器的工具加载到模型上下文窗口时所消耗的大致 token 数。数值越高，可用于其他任务的注意力就越少。

安装

一键安装

将以下内容添加到你的 `claude_desktop_config.json` 文件中：

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

远程端点

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

它能做什么

工具清单

工具（6）

🟢 只读🟡 写入🔴 删除⚪ 未知
🟢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.

输入模式

{
  "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
}

输出模式

{
  "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.

输入模式

{
  "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
}

输出模式

{
  "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.

输入模式

{
  "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
}

输出模式

{
  "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.

输入模式

{
  "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
}

输出模式

{
  "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.

输入模式

{
  "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
}

输出模式

{
  "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.

输入模式

{
  "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
}

输出模式

{
  "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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已验证未记录版本6 个工具
已验证未记录版本6 个工具
已验证未记录版本6 个工具
已验证未记录版本6 个工具
已验证未记录版本6 个工具
已验证未记录版本6 个工具