What is guardian-security?

A local security-audit tool for scanning project files for likely hardcoded secrets and container images for high- or critical-severity vulnerabilities.

Use it to scan project directories for credentials and inspect Docker images with Trivy, then review findings and apply appropriate fixes.

It helps find exposed credentials and known security problems before code is committed, released, or deployed.

guardian-security — Skill for Codex by 1999AZZAR

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent

npx skills add 1999AZZAR/project-guardian-mcp-server --skill guardian-security

Clone the repo

git clone --depth 1 https://github.com/1999AZZAR/project-guardian-mcp-server

Made for: Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

README.md

[![agentmods](https://agentmods.dev/badge/skills/1999azzar/project-guardian-mcp-server/guardian-security/github.svg)](https://agentmods.dev/skills/1999azzar/project-guardian-mcp-server/guardian-security)

Your own site

<a href="https://agentmods.dev/skills/1999azzar/project-guardian-mcp-server/guardian-security"><img src="https://agentmods.dev/badge/skills/1999azzar/project-guardian-mcp-server/guardian-security/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

Your own site · 80×15

<a href="https://agentmods.dev/skills/1999azzar/project-guardian-mcp-server/guardian-security"><img src="https://agentmods.dev/badge/skills/1999azzar/project-guardian-mcp-server/guardian-security.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 47 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 434 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.

Origin original No closer match found in the catalogue.

Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

Model	Per session	Once invoked
Fable 5.1	$0.00047	$0.00434
Opus 5	$0.00023	$0.00217
Sonnet 5	$0.00009	$0.00087
Haiku 4.5	$0.00005	$0.00043

Measured 10d ago against content hash 56a340d74378, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

guardian-security scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

The scan reads SKILL.md. This mod also ships 2 executable files (scripts/scan_container.sh, scripts/scan_secrets.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/guardian-security/SKILL.md · 38 lines

What it actually says

Guardian Security

Local security auditing for credentials and container vulnerabilities.

Core Workflows

1. Secret Scanning

Scan specific project directories for hardcoded credentials.

Tool: scripts/scan_secrets.py
Usage: python3 $WORKSPACE/skills/guardian-security/scripts/scan_secrets.py <path_to_project>
Workflow:
1. Execute scan on a specific project or directory.
2. If findings are reported (exit code 1):
  - Review the file and line number.
  - Transition: Move the secret to a secure vault (e.g., using the mema-vault skill).
  - Redact: Replace the plaintext secret in the source code with an environment variable or a vault lookup call.

2. Container Vulnerability Scan

Analyze Docker images for vulnerabilities prior to deployment.

Tool: scripts/scan_container.sh
Usage: bash $WORKSPACE/skills/guardian-security/scripts/scan_container.sh <image_name>
Logic: Identify HIGH and CRITICAL severities. Recommend base image updates or security patches.

Security Guardrails

Scope Limitation: Avoid scanning system-level directories. Focus only on relevant project workspaces.
Credential Isolation: Hardcoded secrets are considered a high-severity finding.
Output Safety: Report locations and secret types only; never print matched secret values.
Failure Handling: Treat scanner errors and unreadable inputs as incomplete audits, not clean results.
Dependencies: Container scanning requires trivy to be installed on the host system.

Integration

Vaulting: This skill identifies leaks. Remediation should be performed using a dedicated credential manager like mema-vault.

Files

What ships with it

4 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

10d ago First seen · 38 lines · 47 tokens per session scan A 56a340d74378

Subscribe to this mod's changes

guardian-security is a skill published in the GitHub repository 1999AZZAR/project-guardian-mcp-server (3 stars, last pushed 10d ago), licensed MIT. It adds 47 tokens to every session and 434 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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