MCP server

PackageGuard

io.github.DanKaten/packageguard

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

x402-gated safety checker for npm/PyPI packages before you npm install / pip install.

Working at last checkAbout 142 tokens per request once connected1 tools

https://packageguard-k4s4.onrender.com/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 1
Token cost: About 142 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 25 Oct 2026, 20:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http packageguard https://packageguard-k4s4.onrender.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.packageguard]
url = "https://packageguard-k4s4.onrender.com/mcp"

Gemini CLI

{"mcpServers":{"packageguard":{"httpUrl":"https://packageguard-k4s4.onrender.com/mcp"}}}

Cursor

{"mcpServers":{"packageguard":{"url":"https://packageguard-k4s4.onrender.com/mcp"}}}

VS Code

{"servers":{"packageguard":{"type":"http","url":"https://packageguard-k4s4.onrender.com/mcp"}}}

Antigravity

agy mcp add packageguard https://packageguard-k4s4.onrender.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"packageguard","server_url":"https://packageguard-k4s4.onrender.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"packageguard","server_url":"https://packageguard-k4s4.onrender.com/mcp"}

check_package_safety ~142 tokens
Check whether an npm or PyPI package is safe to install. Costs $0.005 USDC via x402 per call.

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Preflight for AI agents, signed: one call; wallet, domain, IP abuse, package checks and CVEs.

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