prompt-injection-scan

prompt-injection-scan is an Agent security & guardrails skill for AI agents, published by charliehzm in the medharness repository on GitHub. Skillspace rates prompt-injection-scan F (45/100) and the safety scan rated it risky; the rating is based on static analysis only.

Use this skill (typically inside Reviewer-Agent or Compliance-Agent) to scan RAG retrieval results, external document content, tool call outputs, and user-provided text for prompt-injection patterns before they reach the main model context. Outputs a classification report and quarantines suspicious content. Chinese trigger examples: "Prompt 注入扫描", "RAG 内容审查", "外部文档注入检测", "指令注入检查". Do NOT use as PHI detector (use phi-detect), do NOT use as content moderation (separate concern). Success = scanned text either passes or is quarantined with reason; zero suspicious patterns reach the main context unflagged.

Grade
F
Quality
45 / 100
Safety
Risky
GitHub stars
95

Unproven: rated by static analysis only, not yet compared head-to-head.

This rating describes the version of the repository we crawled; it may have changed since.

Our review

Architecture
84 / 100
Maturity
Basic: a single SKILL.md
Security scan
High-risk patterns
License
Apache-2.0
Adoption
Adopted by 0 other repositories, in 0 collections

What the scanner flagged

  • prompt-injection: ignore-previous

Not checked yet

  • Not judged on the rubric yet (not a contender in its category)
  • No blind task eval yet
  • Scope (portable / vendor / repo-internal) not assessed; only the top of each category is read for scope
  • Sibling files (scripts, references) not fetched; security scan covers SKILL.md only

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