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/appsvortex/arness/arn-code-batch-cve-fixnpx skills add AppsVortex/arness --skill arn-code-batch-cve-fixgit clone --depth 1 https://github.com/AppsVortex/arnessWhat 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 | $0.00226 | $0.03144 |
| Opus 5 | $0.00113 | $0.01572 |
| Sonnet 5 | $0.00045 | $0.00629 |
| Haiku 4.5 | $0.00023 | $0.00314 |
Grade A, and why
arn-code-batch-cve-fix 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 yesterday.
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 — 206 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Arness Batch CVE Fix
Apply per-group fixes for previously-triaged CVEs, open per-group pull requests targeting the configured Security branch:, and optionally archive fully-resolved past CVE proposals. This skill consumes the triage records, sub-issue numbers, and parent-issue handle produced by arn-code-batch-cve-scan and dispatches one worker per group inside a pre-created git worktree.
Key architectural constraint: This skill is a sequencer — it MUST NOT duplicate sub-reference logic. All procedural detail lives in references/. Worker isolation (worktree setup, isolation check, cleanup-on-failure) is INHERITED from arn-code-batch-implement/references/worker-instructions.md — this skill's own worker-instructions.md DELEGATES to that source-of-truth and documents only the per-group fix scope.
Interactive-only (per spec FR §30). There is no --mode= argument. There is no proposal artifact. There is no headless / scheduled fix path. Every PR is human-reviewed at creation time; every past-plan archive is confirmed via AskUserQuestion. The auto-apply boundary (see references/auto-apply-boundary.md) controls whether the worker drives the dependency bump itself (when all 5 conditions are met) or pauses for human application — the worker still always opens a PR for review.
Pipeline position:
arn-code-batch-cve-scan (triage records + parent + sub-issues)
│
▼
**arn-code-batch-cve-fix**
┌─────────┴────────────┐
│ form groups │
│ apply auto-apply gate│
│ dispatch workers │
│ open per-group PRs │
│ post-fix cleanup │
└──────────────────────┘
│
▼
Per-group PRs targeting <Security branch>
(each PR contains `Closes #N` per sub-issue)
│
▼ (after merge — polled or --cleanup-resolved)
Past-plan cleanup (interactive archive of resolved CVE_<ts>/)
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.
- yesterday First seen · 206 lines · 226 tokens per session scan A 6c535d5ee539
arn-code-batch-cve-fix is a skill published in the GitHub repository AppsVortex/arness (33 stars, last pushed 1mo ago), licensed MIT. It adds 226 tokens to every session and 3,144 once invoked, about $0.0011 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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