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depcheck

Review dependency manifest files for dangerous, deprecated, or vulnerable package patterns

Skill by jcvernaleo

IndexedISC★ 1
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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/jcvernaleo-depcheck

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About

Review dependency manifest files for dangerous, deprecated, or vulnerable package patterns

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
No tools found
Secrets
None asked for
Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/depcheck

Tools it pre-approves 6

From allowed-tools in SKILL.md: the agent may use these without asking you each time.

  • Read,
  • Glob,
  • Bash(find
  • *),
  • Bash(cat
  • *)

What's inside

Skill name
depcheck
Description
Review dependency manifest files for dangerous, deprecated, or vulnerable package patterns
License
ISC
Allowed tools
Read,, Glob,, Bash(find, *),, Bash(cat, *)
Instructions
24 lines in SKILL.md · view on GitHub

Before installing

  • Pre-approves some shell commands

Files (1)

  • SKILL.md

SKILL.md (first lines)

Review dependency manifests in $ARGUMENTS for security concerns.

Locate and read all dependency files:
- Python: `requirements*.txt`, `Pipfile`, `pyproject.toml`, `setup.py`
- Node: `package.json`, `package-lock.json`, `yarn.lock`
- Ruby: `Gemfile`, `Gemfile.lock`
- Go: `go.mod`, `go.sum`
- PHP: `composer.json`
- Rust: `Cargo.toml`
- Java: `pom.xml`, `build.gradle`

For each, assess:

1. **Pinning hygiene**: unpinned deps (`*`, `^`, `~`, `>=`) that allow silent upgrades to vulnerable versions
2. **Deprecated/abandoned packages**: note packages commonly known to be unmaintained or superseded (e.g., `request` for Node, `pycrypto` for Python, `node-uuid` vs `uuid`)
3. **Known dangerous packages**: packages with histories of supply chain compromise or malicious versions (e.g., `event-stream` era patterns, typosquatting names)
4. **Overly broad permissions in package.json**: `preinstall`/`postinstall` scripts that execute arbitrary code
5. **Dev dependencies in production**: packages that should be devDependencies but aren't
6. **Crypto library choice**: MD5/SHA1 for password hashing, use of `pycrypto` vs `cryptography`, DES/ECB usage

Output a table of concerns with package name, issue type, and recommendation.
Note: this is a pattern-based review, not a CVE lookup — recommend running grype/osv-scanner for CVE matching separately.

From jcvernaleo/llm-scripts, ISC.

More from jcvernaleo/llm-scripts

Signals

Stars
1
Forks
0
Open issues
0
Last commit (this folder)
May 6, 2026 (6 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
ISC
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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depcheck skill. Agent Mart. https://agentmart.dev/skills/jcvernaleo-depcheck (last updated 2026-10-24)