Download for MacApple silicon, macOS 14+
Skill

integrity-failures

@thejefflarson Updated 2026-07-31

Detects unsafe deserialization, unverified software updates, and tampered CI artifacts. Use when writing deserialization code, processing pickled or marshalled data, implementing software update mechanisms, consuming CI/CD artifact downloads, or handling data from untrusted sources that gets reconstructed into objects.

llmssecurityskills

Install

With your agent

Install OMGSkills skill "thejefflarson/soundcheck:.claude/skills/integrity-failures" into this agent's normal skills directory: call the OMGSkills MCP get_install_plan tool for your agent and run the script it returns (it installs only the pinned commit and verifies SKILL.md), and stop if MCP or the pin is unavailable. Do not overwrite or change existing skills without asking me.

Manual command

git clone https://github.com/thejefflarson/soundcheck /tmp/soundcheck && ln -s /tmp/soundcheck/.claude/skills/integrity-failures ~/.claude/skills/integrity-failures

From README

Software and Data Integrity Failures Security Check (A08:2025) What this checks Protects against arbitrary code execution and tampered artifacts. Deserializing untrusted data with code-executing formats gives attackers remote code execution; unsigned software updates allow supply-chain compromise.