npm-postinstall-attack-scanner vs io.github.Mickdownunder/safeinstall
npm-postinstall-attack-scanner is a plugin bundle for AI coding tools published by aliksir. Marketplaces we read that list it: 1 (Claude Code: claude-plugins-community). io.github.Mickdownunder/safeinstall is an MCP server published by Mickdownunder. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-15. This pair was picked by a reader, not by our comparison rule, so search engines are asked not to index the page.
Where each is published
| Marketplace |  npm-postinstall-attack-scanner |  io.github.Mickdownunder/safeinstall |
|---|---|---|
| Claude Code: claude-plugins-community | Listed Version: 0.1.0 Forks (GitHub): 0 Stars (GitHub): 1 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 0.12.0 Downloads/month (npm): 559 Downloads/week (npm): 64 Forks (GitHub): 0 Stars (GitHub): 3 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | npm-postinstall-attack-scanner | io.github.Mickdownunder/safeinstall |
|---|---|---|
| Marketplaces that list it | 1 | 1 |
| Stars (GitHub) (differs) | 1 (worse) | 3 (better) |
| Forks (GitHub) | 0 | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | Installs as a plugin bundle | On your machine (safeinstall-cli) |
| Transport (differs) | Not stated | stdio |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Licence (differs) | MIT | Not stated |
| Repository (differs) | github.com/aliksir/npm-postinstall-attack-scanner | github.com/mickdownunder/safeinstall |
| Changes in the last 7 days | 0 | 0 |
| First seen | 2026-10-11 | 2026-10-11 |
Lines where the two differ have a tinted background and bold values. Where the data itself says which value is better (more marketplaces, a larger figure of the same marketplace, a fresher release, a verified mark on a marketplace that lists both), the better one is also marked green with ▲ and the worse one red with ▼. Where it runs, the transport, the tools, the settings, hooks, the bundle's parts, the licence and the week's changes are marked only as different: more or fewer is not better in itself.
What each says it does
npm-postinstall-attack-scanner
Detect npm supply chain attacks that use the postinstall + hidden dependency pattern to deliver malware. Built in response to the axios maintainer account takeover (2026-03-31). Scans lockfiles, ode_modules, postinstall scripts, version ranges, and npm cache across 5 phases. Returns actionable remediation steps when issues are found.
io.github.Mickdownunder/safeinstall
Local-first supply-chain security gate for npm/pnpm/bun: typosquat, release age, provenance checks
How to run each
npm-postinstall-attack-scanner As a Claude Code plugin
/plugin marketplace add anthropics/claude-plugins-community
/plugin install npm-postinstall-attack-scanner@claude-communityio.github.Mickdownunder/safeinstall As a local MCP server: npm package
claude mcp add --transport stdio safeinstall -- npx -y safeinstall-cli mcpCommands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: npm-postinstall-attack-scanner · What it can do: io.github.Mickdownunder/safeinstall · Compare two other plugins
Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-community/blob/HEAD/.claude-plugin/marketplace.json. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.