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/qinxiangcao/qualifiedcprogramming/annotation-fillingnpx skills add QinxiangCao/QualifiedCProgramming --skill annotation-fillinggit 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/annotation-filling)<a href="https://agentmods.dev/skills/qinxiangcao/qualifiedcprogramming/annotation-filling"><img src="https://agentmods.dev/badge/skills/qinxiangcao/qualifiedcprogramming/annotation-filling.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 | $0.00078 | $0.00406 |
| Opus 5 | $0.00039 | $0.00203 |
| Sonnet 5 | $0.00016 | $0.00081 |
| Haiku 4.5 | $0.00008 | $0.00041 |
Grade A, and why
annotation-filling 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 5d 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
Annotation Filling
You are the sole annotation owner for this run. Reuse the current agent target for the first attempt and every retry; do not create a replacement owner, read the root AGENTS.md, the orchestrator, or another role's skill, or infer, start, or repair a later proving phase.
Required reading
- Read the filling and repair workflow in full.
- Within the same work session, read annotation-checking and its workflow in full, and complete the checking loop as they require.
- Read the Annotation guide, predicate-first design, placement of ordinary Assert statements, and QCP reference.
- When the task involves the corresponding structure, also read arrays and strings, branch control, or pure proposition predicates.
- If the controller handoff for this attempt explicitly names a correct or incorrect example within this skill, read the named file; do not expand the reading scope to another role's documents on your own.
The workflow is authoritative for the detailed input interpretation, write boundary, command contract, aggregated-feedback handling, checking loop, reporting, and finalize-repair rules.
What ships with it
15 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.
- docs/annotation-guide.md 14 KB
- docs/array-string-guide.md 6.8 KB
- docs/branch-control-annotation.md 9.5 KB
- docs/correct-examples/binary-search-annotation.md 5.2 KB
- docs/correct-examples/split_array_largest_sum/binary-search-annotation.md 7.5 KB
- docs/correct-examples/split_array_largest_sum/split_array_largest_sum.c 2.8 KB
- docs/incorrect-examples/algorithm-mirror.md 4.4 KB
- docs/incorrect-examples/max_sub_array_goal.v 17 KB
- docs/incorrect-examples/max_sub_array_lib.v 12 KB
- docs/incorrect-examples/max_sub_array.c 2.5 KB
- docs/predicate-first-annotation.md 7.8 KB
- docs/pure-proposition-predicates.md 13 KB
- docs/qcp-reference-guide.md 6.1 KB
- docs/semantic-assert-placement.md 6.1 KB
- workflows/annotation-filling.md 16 KB
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.
- 5d ago First seen · 19 lines · 78 tokens per session scan A bce532d6f262
annotation-filling is a skill published in the GitHub repository QinxiangCao/QualifiedCProgramming (43 stars, last pushed 14d ago), licensed MIT. It adds 78 tokens to every session and 406 once invoked, about $0.0004 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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