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Plugin

Box Cloud Filesystem

Transparent cloud filesystem for AI agents using Box CLI (@box/cli). Upload, download, search, share, and sync files to Box cloud storage with operational safety guardrails.

Type
Plugin
GitHub stars
2.8k
License
MIT
Repo last updated
Sep 27, 2026
Version
1.0.0
Author
Jeremy Longshore

What Box Cloud Filesystem is

Box Cloud Filesystem is a plugin published in the jeremylongshore/tons-of-skills-marketplace repository on GitHub, which has about 2.8k stars. The repository describes itself as: “Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.”

A plugin is a package that bundles skills, slash commands, subagents, hooks, and MCP connectors so they install together. Plugins are plain files with a manifest at .claude-plugin/plugin.json, and they work in both Claude Code and Claude Cowork.

Installing Box Cloud Filesystem adds everything it ships in one step. Connectors inside a plugin still need to be connected separately, and hooks and subagents only run in Cowork and Claude Code, not in regular chat.

How to install Box Cloud Filesystem

Claude Code

  1. Add the repository as a plugin marketplace: claude plugin marketplace add jeremylongshore/tons-of-skills-marketplace
  2. Install the plugin: claude plugin install box-cloud-filesystem@<marketplace-name>, using the marketplace name from the repository's .claude-plugin/marketplace.json.
  3. Restart the session if the new skills or commands don't appear straight away.

Claude Cowork

  1. Open Customize → Plugins and choose Add marketplace.
  2. Enter jeremylongshore/tons-of-skills-marketplace (the owner/repo shorthand works for GitHub).
  3. Find Box Cloud Filesystem in the list, click Install, then connect any connectors it needs from its Connectors tab.

New to extending Cowork? Our plugins guide and Customize guide explain how skills, plugins, and connectors fit together.

Inside the source file

An excerpt from plugins/productivity/box-cloud-filesystem/.claude-plugin/plugin.json, shared under the repository's MIT license. Read the full file on GitHub.

Transparent cloud filesystem for AI agents using the official Box CLI (@box/cli). Upload, download, search, share, and sync files to Box cloud storage with operational safety guardrails. Works with any Box account — personal, business, or enterprise.

Compatible with: Claude Code, Codex, Perplexity Computer, OpenClaw, and any agent platform that supports skills or system prompts.

Why

Box CLI gives agents raw access to cloud storage. Raw access is not the same as useful access. Without guidance, agents guess at folder targets, create duplicates instead of versioning, default to public sharing, and have no sync pattern.

This plugin adds two layers:

  1. Hooks (transparent sync) — PostToolUse hooks on Write/Edit auto-upload changed files to Box. The agent just writes files normally.
  2. SKILL.md (operator's manual) — teaches agents explicit Box operations with safety guardrails: trust zones, version-first updates, narrow sharing defaults, conflict detection.

Install

From Tons of Skills Marketplace

ccpi install box-cloud-filesystem

Standalone (from GitHub)

git clone https://github.com/jeremylongshore/box-cloud-filesystem.git

Then symlink or copy into your Claude Code plugins directory, or reference it directly in your agent configuration.

Prerequisites

npm install --global @box/cli
box login
box users:get --me   # verify auth

jq is required for the hook scripts. Install via your system package manager if not present.

Box offers a free tier for individual users. See box.com for current pricing and storage limits.

What's Inside

Quick Start

Transparent mode — initialize a workspace, then work normally:

# Pull a Box folder locally (FOLDER_ID from Box web UI or `box folders:items 0`)
./scripts/box-init-workspace.sh 123456789 /tmp/box-workspace

# Now just edit files — hooks auto-sync to Box
# When Claude stops responding, the Stop hook prints a sync summary

Explicit mode — use Box CLI directly with the skill's guidance:

box search "quarterly report" --json           # Find files
box files:download FILE_ID --destination ./     # Download
box files:upload ./report.md --parent-id 123    # Upload new
box files:versions:upload FILE_ID ./report.md   # Update existing (preserves history)
box files:share FILE_ID --access collaborators  # Share (never defaults to public)

Safety-First Design

Operations are classified by risk level:

  • Read (always safe) — search, list, download, inspect
  • Create (verify target) — upload new files, create folders
  • Update (prefer versions) — modify existing files via version upload
  • Expose (explicit consent) — sharing links, access level changes
  • Destructive (explicit request) — delete, bulk reorganize

The skill guides agents toward safe defaults: version uploads over re-uploads, collaborators over open sharing, manifest-based conflict detection before sync.

Links

  • Marketplace: tonsofskills.com
  • Standalone repo: github.com/jeremylongshore/box-cloud-filesystem
  • Box CLI: github.com/box/boxcli
  • Box Developer Docs: developer.box.com

License

MIT

Before you install

  • Read the whole file first. Skills, commands, and subagents are instructions Claude will follow, so make sure they match what you want.
  • Check which tools, scripts, or MCP servers it uses. Local servers and scripts run with your permissions.
  • Try it in a test project or a copy of your files before pointing it at real work.
  • Pin the version you tested, and review changes before updating.
  • Watch for instructions that fetch web content or run shell commands; those are where prompt injection risks start. See our prompt injection guide.

FAQ

What is Box Cloud Filesystem?

Box Cloud Filesystem is a plugin for Claude Code and Claude Cowork from the jeremylongshore/tons-of-skills-marketplace repository on GitHub. Transparent cloud filesystem for AI agents using Box CLI (@box/cli). Upload, download, search, share, and sync files to Box cloud storage with operational safety guardrails.

How do I install Box Cloud Filesystem in Claude Code?

Add the repository as a plugin marketplace: claude plugin marketplace add jeremylongshore/tons-of-skills-marketplace Install the plugin: claude plugin install box-cloud-filesystem@<marketplace-name>, using the marketplace name from the repository's .claude-plugin/marketplace.json. Restart the session if the new skills or commands don't appear straight away.

Can I use Box Cloud Filesystem in Claude Cowork?

Open Customize → Plugins and choose Add marketplace. Enter jeremylongshore/tons-of-skills-marketplace (the owner/repo shorthand works for GitHub). Find Box Cloud Filesystem in the list, click Install, then connect any connectors it needs from its Connectors tab.

Is Box Cloud Filesystem safe to install?

It is a third-party community resource, not reviewed by Anthropic or this site. Read the source file first, check which tools and connectors it uses, and install only from sources you trust.

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Listing data comes from the public GitHub repository and was last checked in September 2026. Excerpts are © their authors and shared under MIT. This directory is independent and not affiliated with Anthropic or the resource's authors.