Package Check Before Install
Check dependencies before your coding agent installs them: up to 20 packages per call (npm, PyPI, crates.io, Go, Maven, NuGet, RubyGems), one decision each: ALLOW, CAUTION or BLOCK with reasons. Catches hallucinated package names that do not exist (slopsquatting), known malware (OSV malicious-package feed, including versions already removed from the registry), typosquats one typo away from a popular package, critical and high vulnerabilities in the exact version with a safe upgrade, deprecated…
Offering
- Provider
- agentsvc.io
- Method
- POST
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Security
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://agentsvc.io/api/v1/proxy/package-check- MIME type
- application/json
- First seen
- 2026-10-16T01:50:45.949Z
- Last seen
- Tags
- dependency-check, slopsquatting, typosquatting, malicious-package, supply-chain-security
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.004 USDC
Atomic price: 4000 · Network: eip155:8453 · Asset: USDC · Scheme: exact - Payment option 2
- 0.004 USDC
Atomic price: 4000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact - Payment option 3
- 0.004 USDC
Atomic price: 4000 · Network: eip155:137 · Asset: USDC · Scheme: exact - Payment option 4
- 0.004 USDC
Atomic price: 4000 · Network: eip155:42161 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "4000",
"payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27"
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "4000",
"payTo": "5JzPS5qpEwUM1vTC9GG7uqvwJdHzbEwfoPHf2Ki977tg"
},
{
"scheme": "exact",
"network": "eip155:137",
"asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
"amount": "4000",
"payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27"
},
{
"scheme": "exact",
"network": "eip155:42161",
"asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
"amount": "4000",
"payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27"
}
]Observed health
- Status
- Healthy
- Latest latency
- 309 ms
- Average latency
- 745 ms
- HTTP status
- 204
- Last checked
- Reachability
- 100% over 14 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": [
"POST",
"PUT",
"PATCH"
]
},
"bodyType": {
"type": "string",
"enum": [
"json",
"form-data",
"text"
]
},
"body": {
"properties": {
"packages": {
"type": "array",
"minItems": 1,
"maxItems": 20,
"description": "Strings like \"express@4.17.1\", \"pypi:requests==2.31.0\", \"go:github.com/gin-gonic/gin\", \"maven:org.apache.logging.log4j:log4j-core:2.14.1\", or {name, ecosystem, version}",
"items": {
"anyOf": [
{
"type": "string",
"maxLength": 300
},
{
"type": "object",
"properties": {
"name": {
"type": "string"
},
"ecosystem": {
"type": "string"
},
"version": {
"type": "string",
"description": "Exact version or npm range; default latest"
}
},
"required": [
"name"
]
}
]
}
},
"ecosystem": {
"type": "string",
"description": "Default for entries without a prefix: npm, pypi, cargo, go, maven, nuget or rubygems. Default npm"
},
"manifest": {
"type": "string",
"maxLength": 100000,
"description": "Contents of a package.json or requirements.txt (alternative to packages)"
}
},
"required": []
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"additionalProperties": false
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"ecosystem": {
"description": "Default for entries without a prefix: npm, pypi, cargo, go, maven, nuget or rubygems. Default npm",
"type": "string"
},
"manifest": {
"description": "Contents of a package.json or requirements.txt (alternative to packages)",
"maxLength": 100000,
"type": "string"
},
"packages": {
"description": "Strings like \"express@4.17.1\", \"pypi:requests==2.31.0\", \"go:github.com/gin-gonic/gin\", \"maven:org.apache.logging.log4j:log4j-core:2.14.1\", or {name, ecosystem, version}",
"items": {
"anyOf": [
{
"maxLength": 300,
"type": "string"
},
{
"properties": {
"ecosystem": {
"type": "string"
},
"name": {
"type": "string"
},
"version": {
"description": "Exact version or npm range; default latest",
"type": "string"
}
},
"required": [
"name"
],
"type": "object"
}
]
},
"maxItems": 20,
"minItems": 1,
"type": "array"
}
},
"required": []
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"properties": {
"checked_at": {
"type": "string"
},
"packages": {
"type": "array"
},
"sources": {
"type": "string"
},
"summary": {
"type": "object"
},
"verdict": {
"type": "string"
}
},
"type": "object"
},
"success": {
"type": "boolean"
}
},
"required": [
"success",
"data"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}