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Agent skill

Asset Storage

by exelearning in exelearning/exelearning

Change eXeLearning asset paths, sharding, cache persistence, chunked imports, save/export file handling or cleanup.

AGPL-3.0Auto-check passedDatabases

Install Asset Storage

skills CLI
$ npx skills add exelearning/exelearning --skill asset-storage -a claude-code

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

GitHub CLI
$ gh skill install exelearning/exelearning asset-storage --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/exelearning/exelearning.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/asset-storage .claude/skills/asset-storage && 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
asset-storage
GitHub stars
146
Token cost
~740 tokens
SKILL.md length
325 words
Files
1
Skills in repo
17
Repo updated
First seen
Licence
AGPL-3.0

At a glance

Change eXeLearning asset paths, sharding, cache persistence, chunked imports, save/export file handling or cleanup.

  • Tasks that involve Database administration
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Asset Storage is an agent skill from exelearning/exelearning. Change eXeLearning asset paths, sharding, cache persistence, chunked imports, save/export file handling or cleanup.

Its SKILL.md is about 740 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Databases, covering Database administration. The repository describes itself as: eXeLearning is an AGPL-licensed free/libre tool to create and publish open educational resources. The licence is AGPL-3.0.

When your agent uses it

  • Tasks that involve Database administration

Example prompts

  • “/asset-storage”

What it can do on your machine

Read from SKILL.md and the folder at commit 319b5d2. 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

    No scripts in the folder and no shell commands in SKILL.md.

    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

Asset Storage loads about 740 tokens when it runs. Until then it costs about 32 tokens; SKILL.md has 325 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~32
When it runs · the whole SKILL.md, loaded when a task matches
~740

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); files beside SKILL.md are not scanned.

SKILL.md

The full file from exelearning/exelearning at commit 319b5d2, republished under its AGPL-3.0 licence (© exelearning). 325 words, ~740 tokens.

Download SKILL.mdSave it as .claude/skills/asset-storage/SKILL.md (or your agent's skills folder).
name
asset-storage
description
Change eXeLearning asset paths, sharding, cache persistence, chunked imports, save/export file handling or cleanup.

Asset storage and import files

Trace src/utils/asset-paths.ts, src/services/file-helper.ts, src/db/queries/assets.ts, public/app/yjs/AssetManager.js, and the affected import/export caller.

  • Resolve FILES_DIR through the helper (ELYSIA_FILES_DIR for tests, then FILES_DIR, then ./data/). Persist relative POSIX assets/<shard>/<projectUuid>/... paths (shard = first two hex characters of the UUID, ADR-2250-01), not absolute host paths or numeric project IDs. FILES_DIR also holds tmp/ and dist/ (dated subdirectories), chunks/, themes/site/ and the SQLite database; create them lazily.
  • Reuse the existing path builders/resolvers and migration compatibility. Validate user-derived paths with isPathSafe() (src/services/file-helper.ts); do not concatenate untrusted segments or silently reinterpret a rejected path. Build paths with path.join(), never string concatenation.
  • Browser Yjs metadata, Cache API blobs and server files have different lifetimes. Check reload/offline behavior and ownership before deleting shared/referenced assets. Do not treat derived caches as canonical data.

Client-side storage names; preserve them when changing persistence, migration or cleanup, since existing browser data depends on them:

StoragePatternPurpose
IndexedDBexelearning-project-{uuid}Yjs Y.Doc persistence
IndexedDBexelearningUser preferences
IndexedDBexelearning-resources-v1Theme/library cache
Cache APIexe-assets-{uuid}Blob storage for images and files
  • Direct ELP/ELPX import happens in the browser: importElpDirectly → importFromElpxViaYjs, then the UI refreshes from the Y.Doc and saves on explicit save/autosave. The fallback uploads chunks to POST /api/project/upload-chunk, the server only concatenates them into a temp file, the workarea reloads with ?import=... and imports client-side, then calls DELETE /api/project/cleanup-import. The server is never the normal package parser. Preserve cleanup-import and cancellation paths.
  • Preserve previous usable content on failed replacement/save. Close handles/kill processes before deleting their files (Windows raises EBUSY on locked files); use isolated temp directories and clean up failed uploads/exports.
  • Large packages need bounded processing. Use existing metadata APIs and profiling rather than loading every blob or base64 copy merely to count, list or locate assets.

Run affected path/helper/query tests plus frontend asset/import tests. Include subpaths, legacy stored paths, invalid UUID/path input, failed replacement, reload and cleanup. Use disposable fixtures, never live project data. Storage layout changes require the architecture procedure and verify-change gates.

© exelearning, AGPL-3.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .agents/skills/asset-storage of exelearning/exelearning.

Open the folder on GitHubat commit 319b5d2

Compare with similar skills

Asset Storage 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.

Asset Storage compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Asset Storage this skillexelearning/exelearning146—~740Automated safety check: PassAGPL-3.0
Hybrid Cloud Outboxesgetsentry/sentry46k—~4.8kAutomated safety check: PassCustom licence
Replicate Video AdJingyi-Wu-Richael/replicate-video-ad1071 repos~1.6kAutomated safety check: PassNone
Sea Orm 2FlyinPancake/yoink112—~2.9kAutomated safety check: PassApache-2.0
Pixel Perfect ReplicationYu-369/VibeCurb979—~8.7kAutomated safety check: PassMIT
Horse Database PoolingHashLoad/horse1.4k—~1.4kAutomated safety check: PassMIT

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  • Hybrid Cloud Outboxes

    getsentry/sentry

    Official

    Guide for creating and maintaining outbox-based eventually consistent operations in Sentry.

    46k GitHub stars~4.8k tokensUpdated today
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  • Replicate Video Ad

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    Analyze a reference video frame by frame and turn its visual grammar, story beats, dialogue, product reveal, proof sequence, and conversion structure into a production-ready ecommerce story-ad…

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    979 GitHub stars~8.7k tokensUpdated 2 mo ago
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  • I18n

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  • Idevice

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  • Verify Change

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    Choose and run the appropriate eXeLearning checks for a diff, including the final code gates or guidance-only validation.

    146 GitHub stars~676 tokensUpdated yesterday
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  • Websocket Yjs

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Categories

Questions about Asset Storage

What does Asset Storage do?

Change eXeLearning asset paths, sharding, cache persistence, chunked imports, save/export file handling or cleanup. Asset Storage is an agent skill from exelearning/exelearning. Change eXeLearning asset paths, sharding, cache persistence, chunked imports, save/export file handling or cleanup.

When should I use Asset Storage?

Asset Storage fits situations like: tasks that involve Database administration.

How do I install Asset Storage in Claude Code?

Run `npx skills add exelearning/exelearning --skill asset-storage -a claude-code`. Or copy the skill folder (.agents/skills/asset-storage in exelearning/exelearning) into .claude/skills/asset-storage in your project. Claude Code loads it when a task matches its description.

How do I install Asset Storage in Codex?

Run `npx skills add exelearning/exelearning --skill asset-storage -a codex`. Or copy the skill folder (.agents/skills/asset-storage in exelearning/exelearning) into .agents/skills/asset-storage in your project. Codex loads it when a task matches its description.

Can I use Asset Storage 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 exelearning/exelearning --skill asset-storage -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/asset-storage, .gemini/skills/asset-storage, .github/skills/asset-storage and .opencode/skills/asset-storage in your project.

What does Asset Storage need to run?

SKILL.md names no scripts, command-line tools or credentials: Asset Storage is instructions for the agent only.

Does Asset Storage 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 Asset Storage 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. Review the folder before installing.

What licence does Asset Storage use?

Asset Storage is published under the AGPL-3.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Asset Storage use?

About 740 tokens (SKILL.md is roughly 3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Asset Storage?

Skills that share tags, products or a category with Asset Storage: Hybrid Cloud Outboxes (getsentry/sentry, 46k stars), Replicate Video Ad (Jingyi-Wu-Richael/replicate-video-ad, 107 stars), Sea Orm 2 (FlyinPancake/yoink, 112 stars) and Pixel Perfect Replication (Yu-369/VibeCurb, 979 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Asset Storage?

exelearning (a GitHub organization) maintains it in exelearning/exelearning, which has 146 GitHub stars. The repository holds 17 skills in this directory. The repository was last updated on October 7, 2026.

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