INDIVIDUAL MCP TOOL

scan_lockfile_deep

Behaviorally scan EVERY exactly-pinned dependency in a lockfile, not just their identities: reads the code of each package and reports credential theft, exfiltration, obfuscation, prompt injection and install-time droppers with file-and-line evidence.

lazaretto.devnone authenticationAvailability not checked

LIVE ENDPOINT

https://lazaretto.dev/mcp

No auth detected

Connect to this endpoint to inspect the live schema for scan_lockfile_deep and invoke it with your own arguments.

Indexed input schema

{}

Risk classification

Inferred read-only · medium confidence · heuristic, not a guarantee.

A tool name, description or schema mentions credentials.

Parent server

lazaretto.dev

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.lazaretto]
url = "https://lazaretto.dev/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "lazaretto": {
      "type": "http",
      "url": "https://lazaretto.dev/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: lazaretto
Remote MCP URL: https://lazaretto.dev/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "lazaretto": {
      "url": "https://lazaretto.dev/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "lazaretto": {
      "type": "http",
      "url": "https://lazaretto.dev/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "lazaretto",
  "transport": "streamable-http",
  "url": "https://lazaretto.dev/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

Related tools

known_bad_lookup — Check a SHA-256 against Lazaretto's known-bad indicator set (refreshed daily from abuse.ch).
check_lockfile — Check every EXACTLY-PINNED dependency in a lockfile against published malicious-package advisories (OSV/OpenSSF).
scan_artifact — Deterministically analyze a package, repo, skill, or file for malicious behavior (credential theft, data exfiltration, obfuscation, prompt injection aimed at the agent, install scripts) and return a verdict (malicious, flagged, clear, error) with the exact evidence and a hash of what was scanned.
scan_mcp_server — Check an MCP server BEFORE you connect to it.
check_mcp_tools — Check tool definitions you ALREADY HOLD, with no network call to anyone.
find_attestation — Ask whether anyone has already attested an artifact, BEFORE you install it or pay to scan it.
verify_attestation — Verify a Lazaretto scan attestation that another agent (or a README, or a lockfile) handed you, WITHOUT re-scanning or paying.