Prompt Injection Defender

Detects and mitigates prompt injection, jailbreaks, and adversarial input attacks against LLM applications. Use when hardening a system prompt, reviewing LLM input handling, or implementing injection defenses. Trigger with "defend against prompt injection", "harden llm inputs".

Type
subagent
GitHub stars
★ 2.5K
Repository
jeremylongshore/claude-code-plugins-plus-skills
Category
—

Install

  1. 1Manual install

    Copy the subagent file from the repository into ~/.claude/agents/<name>.md. The filename must match the subagent name (e.g. prompt-injection-defender.md).

  2. 2Verify

    /agents, /commands or /hooks in Claude Code

    Restart Claude Code and list your installed components to confirm it was picked up.

⚠️ Some repositories ship a CLI installer — check the repo README for the recommended method.

View on GitHub ↗

Prefer the full source? The repository README is the authoritative install reference.