PackageGuard
x402-gated safety checker for npm/PyPI packages before you npm install / pip install.
Should I use this
Quality & Safety
A
Based on automated analysis of tool definitions and protocol compliance.
Context Cost
~122Tokens (tool definitions)
~1014 BTypical response size
Minimal attention impact (0.10% of 128k context)
This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.
Install
One-Click Install
Add this to your `claude_desktop_config.json` file:
{
"mcpServers": {
"packageguard": {
"url": "https://packageguard-k4s4.onrender.com/mcp"
}
}
}Remote endpoints
https://packageguard-k4s4.onrender.com/mcpstreamable-httpWhat it can do
Tool inventory
Tools (1)
🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢check_package_safety(ecosystem, name)
Check whether an npm or PyPI package is safe to install. Costs $0.005 USDC via x402 per call.
Input Schema
{
"type": "object",
"properties": {
"ecosystem": {
"type": "string",
"enum": [
"npm",
"pypi"
],
"description": "Package ecosystem to check"
},
"name": {
"type": "string",
"description": "Exact package name to check for safety before installing"
}
},
"required": [
"ecosystem",
"name"
],
"additionalProperties": false,
"$schema": "http://json-schema.org/draft-07/schema#"
}Community
Evidence
Recent observations
verifiedversion not recorded1 tools
verifiedversion not recorded1 tools
verifiedversion not recorded1 tools