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 skills add OLCUBO/cubox-cli --skill cuboxgit clone --depth 1 https://github.com/OLCUBO/cubox-cliWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/olcubo/cubox-cli/cubox)<a href="https://agentmods.dev/skills/olcubo/cubox-cli/cubox"><img src="https://agentmods.dev/badge/skills/olcubo/cubox-cli/cubox/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/olcubo/cubox-cli/cubox"><img src="https://agentmods.dev/badge/skills/olcubo/cubox-cli/cubox.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk warn
- NVIDIA SkillSpector warn
SkillSpector: 4 findings, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Excessive Agency · line 17 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
- medium MCP Rug Pull · line 307 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium MCP Rug Pull · line 318 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
- medium Rogue Agent · line 326 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00083 | $0.03598 |
| Opus 5.5 | $0.00033 | $0.01439 |
| Sonnet 5.5 | $0.00017 | $0.00720 |
| Haiku 4.5 | $0.00008 | $0.00360 |
Grade A, and why
cubox scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 337 lines — stays where its author put it; the contents beside it link to each section on GitHub.
cubox-cli
Manage Cubox bookmarks via the cubox-cli command-line tool.
Authentication and Secrets
If any command fails with "API Key does not exist", never ask the user to paste their API token into chat and never construct commands that embed a literal token in argv. Use one of these safe paths:
- Interactive login: ask the user to run
cubox-cli auth loginin their own terminal. - Agent / CI without persistence: ask the user to set
CUBOX_SERVERandCUBOX_TOKENin their shell before invoking the CLI. - Non-interactive persisted login: ask the user to pipe the token via stdin:
printf '%s' "$TOKEN" | cubox-cli auth login --server cubox.pro --token-stdin.
Forbidden: asking for tokens in chat, suggesting cubox-cli auth login --token <literal-token>, committing credentials, or copying tokens into screenshots or shared notes. If a token may have leaked, tell the user to rotate it from the Cubox extensions page.
Commands
Most query commands and batch mutation commands output compact JSON by default. Add -o pretty for indented JSON, -o text for human-readable output.
Known success-output exceptions: save, update, and auth subcommands currently print plain text even when -o json is selected. Do not assume every successful command stdout is parseable JSON.
List Folders
cubox-cli folder list
Returns: [{ "id", "nested_name", "name", "parent_id", "uncategorized" }]
List Tags
cubox-cli tag list
Returns: [{ "id", "nested_name", "name", "parent_id" }]
Manage Tags (rename / delete / merge)
These mutate tags directly. They take tag IDs (not names) — call tag list first if you only have a name.
# Rename a tag — only the leaf segment changes; nested children stay attached
cubox-cli tag update --id TAG_ID --new-name NEW_NAME
# Batch delete tags — cards keep their other tags; only the tag-card link is removed
cubox-cli tag delete --id TAG_ID[,ID2,...]
# Merge source tags into a target tag — cards are re-tagged onto the target,
# then the source tags are deleted
cubox-cli tag merge --source SRC_ID[,ID2,...] --target TARGET_ID
What ships with it
3 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.
- 1mo ago First seen · 337 lines · 83 tokens per session scan A c3986f3a5b84
cubox is a skill published in the GitHub repository OLCUBO/cubox-cli (65 stars, last pushed 2mo ago), licensed MIT. It adds 83 tokens to every session and 3,598 once invoked, about $0.0003 per session on Opus 5.5. 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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