AgentSeal

Agentseal — Security skill for Claude Code

Security community

Security toolkit for AI agents.

How to install Agentseal

This entry records only its repository, not the path inside it, so there is no exact command to give. Open AgentSeal/agentseal and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Agentseal does

Security toolkit for AI agents. Scan your machine for dangerous skills and MCP configs, monitor for supply chain attacks, test prompt injection resistance, and audit live MCP servers for tool poisoning.

Alternatives in Security

Trail Of Bits Claude-code-config — Opinionated production defaults from a top security firm: sandboxing, permissions, hooks, skills, MCP server c 1.6k ★
Nah Demo — nah test-live — Security Demo 400 ★
Claude Leaked Files — Mirrored snapshot of Claude Code's source (exposed 2026-03-31) preserved for educational purposes, defensive s 256 ★

README

Security toolkit for AI agents. Red-team prompts, detect MCP poisoning,
scan skill files, trace toxic data flows. 225+ tests across 28 agents.

Docs · MCP Registry · Dashboard · Blog

Quick Start

pip install agentseal    # or: npm install agentseal
agentseal guard          # scan your machine - no API key needed

That's it. AgentSeal finds dangerous skill files, poisoned MCP server configs, and data exfiltration paths across every AI agent on your machine.

Want to test a system prompt against adversarial attacks?

agentseal scan --prompt "You are a helpful assistant..." --model ollama/llama3.1:8b  # free, local
agentseal scan --prompt "You are a helpful assistant..." --model gpt-4o              # cloud

agentseal guard demo