What is mcaf-dotnet-codeql?

Guidance for using CodeQL, a code-scanning system that analyzes source code for security problems, in .NET projects.

Use it to plan CodeQL query packs, command-line analysis, or GitHub Actions code scanning for open-source or private .NET repositories.

It helps teams choose an analysis setup that fits their repository and makes licensing considerations explicit for private code. It also keeps security scanning separate from ordinary style checks.

mcaf-dotnet-codeql — Skill by managedcode

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.

agentmods

npx agentmods add skills/managedcode/dotpilot/mcaf-dotnet-codeql

Any agent

npx skills add managedcode/dotPilot --skill mcaf-dotnet-codeql

Clone the repo

git clone --depth 1 https://github.com/managedcode/dotPilot

Made for: Claude Code, Codex.

Per session 53 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 876 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

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	$0.00053	$0.00876
Opus 5	$0.00026	$0.00438
Sonnet 5	$0.00011	$0.00175
Haiku 4.5	$0.00005	$0.00088

Measured 2d ago against content hash 5954a21ac43a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

mcaf-dotnet-codeql 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 2d 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.

Origin

Copies of this mod

2 near-identical copies found in the catalogue:

mcaf-dotnet-codeql — 100% identical, 0 lines differ
dotnet-codeql — 94% identical, 10 lines differ

.codex/skills/mcaf-dotnet-codeql/SKILL.md · 101 lines

How it starts

The opening of the file, as written. The whole thing — 101 lines — stays where its author put it; the contents beside it link to each section on GitHub.

MCAF: .NET CodeQL

Trigger On

the repo uses or wants CodeQL for .NET security analysis
GitHub code scanning is part of the CI plan

Value

produce a concrete project delta: code, docs, config, tests, CI, or review artifact
reduce ambiguity through explicit planning, verification, and final validation skills
leave reusable project context so future tasks are faster and safer

Do Not Use For

teams that need a tool with no private-repo licensing caveat

Inputs

the nearest AGENTS.md
hosting model: open-source repo, private repo, or manual CLI workflow
current GitHub Actions workflow

Quick Start

Read the nearest AGENTS.md and confirm scope and constraints.
Run this skill's Workflow through the Ralph Loop until outcomes are acceptable.
Return the Required Result Format with concrete artifacts and verification evidence.

Workflow

Treat CodeQL as a security-analysis tool, not as a style checker.
Make the licensing and hosting model explicit before proposing it as the default gate.
Prefer manual build mode for compiled .NET projects when precision matters.

Bootstrap When Missing

If CodeQL is not configured yet:

Detect current state:
- rg -n "codeql-action|security-events|CodeQL" .github/workflows
- command -v codeql
Prefer CI-first setup for repository scanning using github/codeql-action/init and github/codeql-action/analyze.
Configure explicit .NET build mode in workflow (manual when precision matters).
Add local CLI usage only when the task requires local query work.
Run the workflow or local analyze path and return status: configured or status: improved.
If licensing or hosting constraints reject CodeQL for this repo, return status: not_applicable with caveat documented.

Deliver

explicit CodeQL setup or an explicit rejection with caveat documented
reproducible CI or local commands for running CodeQL in this repo

Validate

the chosen CodeQL path is allowed for the repo type
build mode is documented and reproducible

Read the full file on GitHub · 101 lines

Files

What ships with it

1 file 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.

references/codeql.md 1.4 KB

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.

2d ago First seen · 101 lines · 53 tokens per session scan A 5954a21ac43a

Subscribe to this mod's changes

mcaf-dotnet-codeql is a skill published in the GitHub repository managedcode/dotPilot (23 stars, last pushed 4mo ago), licensed MIT. It adds 53 tokens to every session and 876 once invoked, about $0.0003 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 2026-08-30.

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