Dangerous: opena2a-parity - hma.json | Skillgate

Skillgate scanned fixtures/secure-dirty-skill/expected/hma.json in opena2a-parity and rated it Dangerous with a risk score of 100/100 (14 detections).

Skillgate found one or more attack-shaped patterns - the kind used for credential exfiltration, remote code execution, or instruction hijack. Do not load this file into an agent without reading it end to end.

What was found

• SG-004 Policy Override - CRITICAL: Patterns that instruct the AI to ignore guidelines or take a new persona
• SG-024 MCP Tool Poisoning - CRITICAL: Malicious instructions in MCP tool descriptions, credential-capturing schemas, built-in tool shadowing
• SG-030 Conversation Hijacking - CRITICAL: Credential phishing, social engineering redirects, impersonation, message interception, user deception
• SG-033 Container Escape Surface - CRITICAL: Privileged container, docker.sock mount, sensitive hostPath
• SG-063 Anti-LLM-Scanner Directive - CRITICAL: Adversarial strings designed to suppress AI-driven static analysis (auto-promotes flag to malicious)
• SG-008 Data Exfiltration Pattern - HIGH (2x): Webhook URLs, IP-based URLs, DNS exfiltration patterns
• SG-018 Memory Poisoning - HIGH: Writes to CLAUDE.md or ~/.claude/memory to persist malicious instructions across sessions
• SG-019 Environment Probing - HIGH: System enumeration commands: whoami, uname, env dump, process listing, cloud IMDS probes
• SG-021 Prompt Leaking - HIGH: Attempts to extract system prompts, tool definitions, MCP server lists, or capability boundaries
• SG-012 Suspicious URL - MEDIUM (2x): HTTP URLs, IP-address URLs, non-standard ports, URL shorteners
• SG-022 Context Window Flooding - MEDIUM (2x): Repetitive filler text, context boundary spoofing, excessive separators

What to do

Read the flagged lines in the source file yourself before installing it or letting an agent load it. Every detection above links to the rule that fired, with the conditions that trigger it and remediation where one exists. Open the interactive report for evidence lines and context.

About Skillgate

Skillgate is a free scanner from Mitiga Labs for AI agent skills, hooks, MCP configs, and instruction files (SKILL.md, CLAUDE.md, AGENTS.md, .cursorrules, .claude/settings.json). It runs static rules plus an LLM judge and maps each finding to a known attack technique. Static analysis only: it never executes the file it scans. No scanner is 100% accurate - a verdict is a signal, not a guarantee. Browse all detection rules.