Agent skill

Artifacts Integrations

by VectorSpaceLab in VectorSpaceLab/AREX-Skill

Use this sub-skill for Optuna artifact upload/download workflows, filesystem/S3/GCS artifact stores, optional integration callback imports, cloud credential boundaries, and local artifact roundtrip…

Custom licenceAuto-check passedBackend & APIs

Install Artifacts Integrations

skills CLI
$ npx skills add VectorSpaceLab/AREX-Skill --skill artifacts-integrations -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install VectorSpaceLab/AREX-Skill artifacts-integrations --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/VectorSpaceLab/AREX-Skill.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/repositories/repo-skills/optuna/sub-skills/artifacts-integrations .claude/skills/artifacts-integrations && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
artifacts-integrations
GitHub stars
328
Token cost
~902 tokens
SKILL.md length
341 words
Files
5 (incl. scripts, references)
Skills in repo
157
Repo updated
First seen
Licence
Custom licence

At a glance

Use this sub-skill for Optuna artifact upload/download workflows, filesystem/S3/GCS artifact stores, optional integration callback imports, cloud credential boundaries, and local artifact roundtrip…

  • Tasks that involve File uploads and storage
  • SKILL.md covers Route Here For, Route Elsewhere, Primary References and Bundled Smoke Script, plus 1 more section
  • Runs Python scripts from its folder; calls python

What it does

Artifacts Integrations is an agent skill from VectorSpaceLab/AREX-Skill. Use this sub-skill for Optuna artifact upload/download workflows, filesystem/S3/GCS artifact stores, optional integration callback imports, cloud credential boundaries, and local artifact roundtrip checks.

Its SKILL.md is about 900 tokens, which your agent loads only when the skill is triggered. The skill folder holds 6 other files, including scripts and reference files (for example `references/artifact-workflows.md`, `references/integration-reference.md` and `references/troubleshooting.md`).

It sits in Backend & APIs, covering File uploads and storage. The repository describes itself as: A Skill Library for Automated Machine Learning.

When your agent uses it

  • Tasks that involve File uploads and storage

Example prompts

  • “/artifacts-integrations”

Requirements

  • Python 3

What it can do on your machine

Read from SKILL.md and the folder at commit ac3fe1a. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • python

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Artifacts Integrations loads about 902 tokens when it runs, and up to ~5.1k if it reads all its reference files. Until then it costs about 57 tokens; SKILL.md has 341 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~57
When it runs · the whole SKILL.md, loaded when a task matches
~902
With references · SKILL.md plus every file in references/, read only if the agent opens them
~5.1k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 341 words (~902 tokens).

“Use this sub-skill when the task involves storing files produced by Optuna studies or wiring Optuna to third-party ML/framework services through optuna.artifacts or optuna.integration.”

— opening of SKILL.md by VectorSpaceLab, Custom licence
name
artifacts-integrations
disable-model-invocation
true
metadata.disco-role
operating
license
NOASSERTION

Read the full SKILL.md on GitHub

Files

SKILL.md and 4 other files (scripts, references) in skills/repositories/repo-skills/optuna/sub-skills/artifacts-integrations of VectorSpaceLab/AREX-Skill.

  • SKILL.md
  • references/artifact-workflows.md
  • references/integration-reference.md
  • references/troubleshooting.md
  • scripts/filesystem_artifact_smoke.py

Open the folder on GitHubat commit ac3fe1a

Compare with similar skills

Artifacts Integrations next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Artifacts Integrations compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Artifacts Integrations this skillVectorSpaceLab/AREX-Skill328—~902Automated safety check: PassCustom licence
Stripe Projectsfossasia/eventyay1.7k5 repos~2kAutomated safety check: NotesApache-2.0
FoundatioFoundatioFx/Foundatio2.1k—~3.9kAutomated safety check: PassApache-2.0
Spatialduckdb/duckdb-skills6001 repos~1kAutomated safety check: NotesMIT
R Oopab604/claude-code-r-skills2062 repos~1.9kAutomated safety check: PassMIT
Edgestore Setupedgestorejs/edgestore454—~1.8kAutomated safety check: PassMIT

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Categories

Questions about Artifacts Integrations

What does Artifacts Integrations do?

Use this sub-skill for Optuna artifact upload/download workflows, filesystem/S3/GCS artifact stores, optional integration callback imports, cloud credential boundaries, and local artifact roundtrip…. Artifacts Integrations is an agent skill from VectorSpaceLab/AREX-Skill. Use this sub-skill for Optuna artifact upload/download workflows, filesystem/S3/GCS artifact stores, optional integration callback imports, cloud credential boundaries, and local artifact roundtrip checks.

When should I use Artifacts Integrations?

Artifacts Integrations fits situations like: tasks that involve File uploads and storage.

How do I install Artifacts Integrations in Claude Code?

Run `npx skills add VectorSpaceLab/AREX-Skill --skill artifacts-integrations -a claude-code`. Or copy the skill folder (skills/repositories/repo-skills/optuna/sub-skills/artifacts-integrations in VectorSpaceLab/AREX-Skill) into .claude/skills/artifacts-integrations in your project. Claude Code loads it when a task matches its description.

How do I install Artifacts Integrations in Codex?

Run `npx skills add VectorSpaceLab/AREX-Skill --skill artifacts-integrations -a codex`. Or copy the skill folder (skills/repositories/repo-skills/optuna/sub-skills/artifacts-integrations in VectorSpaceLab/AREX-Skill) into .agents/skills/artifacts-integrations in your project. Codex loads it when a task matches its description.

Can I use Artifacts Integrations in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add VectorSpaceLab/AREX-Skill --skill artifacts-integrations -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/artifacts-integrations, .gemini/skills/artifacts-integrations, .github/skills/artifacts-integrations and .opencode/skills/artifacts-integrations in your project.

What does Artifacts Integrations need to run?

Going by SKILL.md and its folder, Artifacts Integrations needs Python for the scripts in its folder and the command-line tools its instructions call (python). Our summary lists: Python 3.

Does Artifacts Integrations access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Artifacts Integrations safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Artifacts Integrations use?

Artifacts Integrations has a licence file (declared in SKILL.md) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Artifacts Integrations use?

About 902 tokens (SKILL.md is roughly 3.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 4.2k tokens, read only when the agent opens those files.

What are the alternatives to Artifacts Integrations?

Skills that share tags, products or a category with Artifacts Integrations: Stripe Projects (fossasia/eventyay, 1.7k stars), Foundatio (FoundatioFx/Foundatio, 2.1k stars), Spatial (duckdb/duckdb-skills, 600 stars) and R Oop (ab604/claude-code-r-skills, 206 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Artifacts Integrations?

VectorSpaceLab (a GitHub organization) maintains it in VectorSpaceLab/AREX-Skill, which has 328 GitHub stars. The repository holds 157 skills in this directory. The repository was last updated on September 3, 2026.

Source: VectorSpaceLab/AREX-Skill on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.