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genpark-agent-prompt-guard-injection-sanitizer-skill

mcp
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  • License — License: MIT
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  • Active repo — Last push 0 days ago
  • Low visibility — Only 7 GitHub stars
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  • Code scan — Scanned 3 files during light audit, no dangerous patterns found
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SUMMARY

Strict heuristic and regex-based prompt injection and untrusted input guard detecting jailbreak markers, hidden instruction escapes, and indirect injection payloads

README.md

Prompt Guard Injection Sanitizer Skill for Autonomous Agents

MCP Compatible
Python 3.9+
License: MIT
Zero External Dependencies

Enterprise-grade defensive input firewall for LLM autonomous agents. Inspects, filters, and neutralizes prompt injections, indirect jailbreaks, and instructions override exploits before passing untrusted text into prompts.

Key Features

  • Exploit & Jailbreak Detection: Flags attempts to override system prompts or bypass ethical boundary instructions.
  • Neutralization: Replaces hostile command sequences with safe sanitized placeholders.
  • Zero Overhead: Blazing fast regex and heuristic matching using the Python Standard Library.

MCP Server Integration

python mcp_server.py

Available MCP Tools

  • sanitize_prompt: Analyze and cleanse text of malicious injection attacks.
  • inspect_threats: Scan text and list identified security threat patterns.

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