mantishack: Skill for Codex

.codex/skills/codeql-audit/SKILL.md

codeql-audit is a skill for Codex from deonmenezes/mantishack. It costs 26 tokens per session (304 once invoked), scanned A, original, Apache-2.0.

A security-analysis workflow that builds a CodeQL database and runs queries that trace how data moves through source code. CodeQL is a tool for finding possible security and quality problems in programs.

In plain words
What is it for?
Use it to run CodeQL security or security-and-quality analysis on a codebase, then fall back to other scanners when CodeQL is unavailable.
Why use it?
It can show a data path from an input to a risky operation, providing more context than searching for matching text alone. Results still need manual checking because they can be false positives.

Skill for Codex

Written for Codex: installed under .codex/.

This is deonmenezes/mantishack's own configuration. It tells Codex how to work on mantishack itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything mantishack configures →

Reuse

Borrowing it

Nothing to install: this file belongs to deonmenezes/mantishack. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/deonmenezes/mantishack/main/.codex/skills/codeql-audit/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/deonmenezes/mantishack

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.

agentmods badge for codeql-audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/deonmenezes/mantishack/codeql-audit/github.svg)](https://agentmods.dev/skills/deonmenezes/mantishack/codeql-audit)
Your own site
<a href="https://agentmods.dev/skills/deonmenezes/mantishack/codeql-audit"><img src="https://agentmods.dev/badge/skills/deonmenezes/mantishack/codeql-audit/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.

agentmods 80×15 button for codeql-audit

Your own site · 80×15
<a href="https://agentmods.dev/skills/deonmenezes/mantishack/codeql-audit"><img src="https://agentmods.dev/badge/skills/deonmenezes/mantishack/codeql-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 26 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 304 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00026 $0.00304
Opus 5.5 $0.00010 $0.00122
Sonnet 5.5 $0.00005 $0.00061
Haiku 4.5 $0.00003 $0.00030

Measured 1mo ago against content hash aa3ab0ae0b2f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

codeql-audit 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 1mo ago.

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.

.codex/skills/codeql-audit/SKILL.md · 13 lines

What it actually says

Use codeql_create_database then codeql_analyze (mantis_codeql MCP server) when you need dataflow-aware SAST beyond what regex/pattern tools (semgrep, ast-grep) can prove -- CodeQL's query suites trace actual source-to-sink data flow through the codebase.

Workflow:

  1. codeql_create_database({ source_root, language, database_path }) once per target/language. This is slow (can take minutes on large repos); don't repeat it unless the source changed.
  2. codeql_analyze({ database_path, query_suite }). Default query_suite is "security-extended"; use "security-and-quality" only if the user wants broader quality findings too.
  3. Treat every SARIF result as a candidate with a dataflow-backed path, which is stronger recall evidence than a plain grep match -- but it is still not a confirmed finding. CodeQL's own dataflow models can miss framework-specific sanitization; verify the path manually before validating.
  4. If codeql reports available: false, fall back to semgrep_scan and program-analysis's source_sink_scan/ast_grep_scan for recall, and tell the user CodeQL-grade dataflow coverage wasn't available for this run.
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.

  1. 1mo ago First seen · 13 lines · 26 tokens per session scan A aa3ab0ae0b2f

Subscribe to this mod's changes

codeql-audit is a skill published in the GitHub repository deonmenezes/mantishack (504 stars, last pushed 18d ago), licensed Apache-2.0. It adds 26 tokens to every session and 304 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-08-30.

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