Borrowing it
Nothing to install: this file belongs to QinxiangCao/QualifiedCProgramming. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/QinxiangCao/QualifiedCProgramming/main/.agents/skills-en/final-check/SKILL.mdgit clone --depth 1 https://github.com/QinxiangCao/QualifiedCProgrammingWrote 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/qinxiangcao/qualifiedcprogramming/final-check)<a href="https://agentmods.dev/skills/qinxiangcao/qualifiedcprogramming/final-check"><img src="https://agentmods.dev/badge/skills/qinxiangcao/qualifiedcprogramming/final-check/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.
<a href="https://agentmods.dev/skills/qinxiangcao/qualifiedcprogramming/final-check"><img src="https://agentmods.dev/badge/skills/qinxiangcao/qualifiedcprogramming/final-check.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00042 | $0.00239 |
| Opus 5.5 | $0.00017 | $0.00096 |
| Sonnet 5.5 | $0.00008 | $0.00048 |
| Haiku 4.5 | $0.00004 | $0.00024 |
Grade A, and why
final-check 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.
What it actually says
Final Check
Only main uses this skill after the controller completes final-apply; do not create a subagent. Execute the current action's complete argv/cwd. Actions derive from current task status, so do not reuse commands from old reports.
Read the workflow in full and follow the orchestrator's paths and commands and public interface. Do not edit proofs, clean directories manually, or invoke raw Coq/Dune/Make.
final-check verifies current-source obligations, all proof routes, the case library, safety boundaries, and cleanup. Only complete success changes the run to done. After a failed check and safe rollback, perform the controller's final-apply action before another final check. Publication conflicts preserve current files for the user to resolve.
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.
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.
- 1mo ago Changed · -12 lines · -4 tokens per session 8c01bc29adad
- 1mo ago Changed · +1 tokens per session 23f98cf5f4d9
- 2mo ago First seen · 25 lines · 45 tokens per session scan A 2f16e4fee04f
final-check is a skill published in the GitHub repository QinxiangCao/QualifiedCProgramming (51 stars, last pushed today), licensed MIT. It adds 42 tokens to every session and 239 once invoked, about $0.0002 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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