arkcli-datasets

A dataset manager for ARK model fine-tuning. A dataset is a prepared collection of training or validation examples, and fine-tuning means adapting a model with those examples.

In plain words
What is it for?
Use it to create, validate, inspect, update, delete, version, or download datasets from local JSONL files or TOS storage, then connect a version to fine-tuning.
Why use it?
It checks data against the selected model's required format and gives each dataset version a stable reference for a training job.

Skill for Claude CodeCodex

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/volcengine/ark-cli/arkcli-datasets
Any agent
npx skills add volcengine/ark-cli --skill arkcli-datasets
Clone the repo
git clone --depth 1 https://github.com/volcengine/ark-cli

Made for: Claude Code, Codex.

Per session 63 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 946 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.

ModelPer sessionOnce invoked
Fable 5 $0.00063 $0.00946
Opus 5 $0.00032 $0.00473
Sonnet 5 $0.00013 $0.00189
Haiku 4.5 $0.00006 $0.00095

Measured 2d ago against content hash 59dcd3658cfa, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

arkcli-datasets 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.

skills/arkcli-datasets/SKILL.md · 42 lines

What it actually says

ArkCLI 数据集

先读取 ../arkcli-shared/SKILL.md,遵循认证、输出、安全、Client Preview 和二次确认规则。

能力范围

  • 创建 Dataset 及首个 V1,或为已有 Dataset 创建新版本。
  • 从本地 .jsonl 文件或同一 TOS bucket 下的对象映射数据。
  • 根据基础模型的精调配置解析准确 DatasetSchema 并执行服务端校验。
  • 查询、更新、删除 Dataset,查询版本,下载版本中的 TOS 对象。
  • train finetune create 产出稳定的 <dataset-id>:<version-id> 引用。

只处理精调任务本身时改用 ../arkcli-train-finetune/SKILL.md。不要用 Raw API 模拟已有的 dataset 产品命令。

执行守卫

  1. 先执行 arkcli auth status;认证失败时按 shared skill 恢复。
  2. 执行前读取目标叶子命令的 --help,以当前安装版本为准。
  3. --dataset-format 只接受 LLMSftLLMPretrainLLMDPOLLMRLEmbeddingSftImageGenSftVideoGenSft;不要发送展示文案或其他后端 SchemaType。
  4. --local--tos-uri 互斥。本地输入只接受 .jsonl,最多 20 个文件;多个 TOS URI 必须属于同一 bucket。--tos-uri 必须能被当前身份列举且至少包含一个 .jsonl;不能复用 CLI 上传结果中的 ds-ds/* 暂存路径,应使用已注册版本的 ark/dataset/<dataset-id>/<dataset-version-id>/ 路径或其他可读数据路径。
  5. 创建和新增版本会先逐个校验输入;ValidateDataset.StorageRawLocation.Storage 不发送 AccountID,但随后两种工作流的 CreateDatasetVersion.Storage 都必须发送当前账号的数值型 AccountIDCreateDatasetVersion 不发送可选的 Name,CLI 也不提供该参数;正式版本号完全以服务端响应中的 Version 为准。任一步失败都保留已上传对象或已创建 Dataset,不臆造回滚。
  6. dataset version get <dataset-id> <Vn|dsv-*> --preview 读取每个对象最多 100 KiB(102400 字节)内容,与控制台 Dataset 预览上限一致;版本 SID 仍可省略 Dataset ID。下载既支持 dataset download ... --version ...,也支持 dataset version download <dataset-id> <Vn|dsv-*>,且都不覆盖已有文件。
  7. 删除前先展示版本数、存储路径数以及可获取时的对象数和总字节数,再单独确认。
  8. 创建、版本创建、校验、下载、更新、删除支持叶子级 --dry-run。只读的 list/get 不使用 --dry-runversion get --preview 是真实只读查询,不是 Client Preview。
  9. Client Preview 只展示离线计划;它不上传、不校验服务端数据,也不代替删除确认。

Volc 本地上传使用当前 profile 对应区域的 TOS endpoint,并启用 bucket rename。

工作流

只加载当前任务需要的 reference。

Files

What ships with it

2 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.

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.

  1. 2d ago First seen · 42 lines · 63 tokens per session scan A 59dcd3658cfa

Subscribe to this mod's changes

arkcli-datasets is a skill published in the GitHub repository volcengine/ark-cli (112 stars, last pushed 5d ago), licensed Apache-2.0. It adds 63 tokens to every session and 946 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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