Agt security

Skill richfrem/agent-plugins-skills/plugins/cli-agents/skills/agt-security

repo for reusable plugins and skills

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npx -y skills add richfrem/agent-plugins-skills --skill agt-security

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Provides sandboxing validation, HMAC key rotation, and budget verification to manage security boundaries under Agentic Group Theory (AGT).

SKILL.md

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Agentic Group Theory (AGT) Security Control

This skill contains tools and reference materials to manage secure local execution sandboxes, verify process hygiene limits, and rotate cryptographic bus keys.

1. Sandbox Verification

To verify that the sub-agent execution environment complies with AGT process hygiene or containerized sandboxing:

python3 plugins/cli-agents/scripts/agt_ops.py verify-sandbox

This performs:

Validating that high-risk environment variables (e.g. ANTHROPIC_API_KEY, PYTHONPATH) are scrubbed inside subprocesses.
Confirming that allowed path boundaries throw exceptions on out-of-bounds access.
Checking container status (if Docker/Podman isolation is active).

2. HMAC Key Rotation

To generate or rotate the HMAC symmetric key used to sign messages across the local control plane:

python3 plugins/cli-agents/scripts/agt_ops.py rotate-key