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.
npx agentmods add skills/n-n-code/n-n-code-skills/coding-guidance-qtnpx skills add n-n-code/n-n-code-skills --skill coding-guidance-qtgit clone --depth 1 https://github.com/n-n-code/n-n-code-skillsWrote 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.
[](https://agentmods.dev/skills/n-n-code/n-n-code-skills/coding-guidance-qt)<a href="https://agentmods.dev/skills/n-n-code/n-n-code-skills/coding-guidance-qt"><img src="https://agentmods.dev/badge/skills/n-n-code/n-n-code-skills/coding-guidance-qt.svg" alt="Measured on agentmods" height="20"></a>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 | $0.00067 | $0.02836 |
| Opus 5 | $0.00034 | $0.01418 |
| Sonnet 5 | $0.00013 | $0.00567 |
| Haiku 4.5 | $0.00007 | $0.00284 |
Grade A, and why
coding-guidance-qt 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 today.
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.
How it starts
The opening of the file, as written. The whole thing — 257 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Qt Coding Guidance
This skill adds portable Qt implementation, refactoring, and review guidance for Qt C++ code with a QWidget desktop focus. Widget, dialog, model/view, Designer, and desktop-UX guidance here is specific to Widgets work; broader QObject, threading, and build guidance also applies to non-UI Qt C++ code.
Adjacent Skills
This skill provides portable Qt engineering principles. Compose with:
- Workflow: thinking (ambiguous decision framing), recursive-thinking (stress-testing), security (threat modeling)
- Domain overlays: ui-guidance (ordinary graphical UI work), ui-design-guidance (stronger design and UX work), project-core-dev (repo-specific completion discovery and reporting when needed), project-platform-diagnose (environment-sensitive diagnosis)
Use this as the default principle skill for Qt code. Reach for coding-guidance-cpp only when the task is mostly non-Qt C++ or needs deeper general C++ design judgment than Qt-specific guidance.
Quick Routing
Open bundled references only when the task actually needs them:
- references/qt-build-compatibility.md for CMake, generated-code, or Qt5/Qt6 compatibility work
- references/qt-debugging-checklist.md for diagnosis-heavy tasks
- references/qt-designer-ui-files.md
for
.uifiles, Qt Widgets Designer,uic, or generatedui_*.hcode - references/qt-layouts-and-desktop-ux.md for layout, dialog, panel, and desktop-UX work
- references/qt-model-view-checklist.md
for
QAbstractItemModel, roles, resets, selections, and model/view contract work - references/qt-review-evidence.md for Qt-specific review hotspots and the evidence needed to support findings
Stay in the main skill when the task is broad Qt implementation or review and no single failure mode dominates yet.
What ships with it
6 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.
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.
- today Changed · +3 lines 61aabb21d602
- 5d ago First seen · 254 lines · 67 tokens per session scan A 73bd08fb8957
coding-guidance-qt is a skill published in the GitHub repository n-n-code/n-n-code-skills (4 stars, last pushed today), licensed MIT. It adds 67 tokens to every session and 2,836 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 2026-08-31.
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