Api Endpoint

ah-package-check

Given an open-source package (PyPI, npm, Go, Cargo, Maven, NuGet or RubyGems) and optionally a version, returns its known vulnerabilities from OSV.dev (IDs, CVE aliases, severity, fixed-in versions), license, latest version, publish date and deprecation status from deps.dev, plus a one-line recommendation. For coding agents to call before adding or upgrading a dependency. Not charged if the package or version does not exist.

Open interactive test console

Offering

Provider
x402.agentharbor.agency
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Other
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://x402.agentharbor.agency/package-check
MIME type
Not provided
First seen
2026-10-19T02:32:25.008Z
Last seen
Tags
open-source, vulnerabilities, osv, licenses, dependencies

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.003 USDC
Atomic price: 3000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "3000",
    "payTo": "0x840C829530DF7B4CCF700Fa3A0060cF2C80b014e"
  }
]

Observed health

Status
Healthy
Latest latency
1006 ms
Average latency
662 ms
HTTP status
402
Last checked
Reachability
100% over 12 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "ecosystem": {
          "type": "string",
          "enum": [
            "pypi",
            "npm",
            "go",
            "cargo",
            "maven",
            "nuget",
            "rubygems"
          ],
          "description": "Package registry"
        },
        "name": {
          "type": "string",
          "description": "Package name as published, e.g. requests or @types/node",
          "maxLength": 214
        },
        "version": {
          "type": "string",
          "description": "Exact version; omit for the latest",
          "maxLength": 100
        }
      },
      "required": [
        "ecosystem",
        "name"
      ],
      "additionalProperties": false
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET",
            "HEAD",
            "DELETE"
          ],
          "type": "string"
        },
        "queryParams": {
          "additionalProperties": false,
          "properties": {
            "ecosystem": {
              "description": "Package registry",
              "enum": [
                "pypi",
                "npm",
                "go",
                "cargo",
                "maven",
                "nuget",
                "rubygems"
              ],
              "type": "string"
            },
            "name": {
              "description": "Package name as published, e.g. requests or @types/node",
              "maxLength": 214,
              "type": "string"
            },
            "version": {
              "description": "Exact version; omit for the latest",
              "maxLength": 100,
              "type": "string"
            }
          },
          "required": [
            "ecosystem",
            "name"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}