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 fanfan-de/anybox --skill anybox-start-devgit clone --depth 1 https://github.com/fanfan-de/anyboxWrote 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/fanfan-de/anybox/anybox-start-dev)<a href="https://agentmods.dev/skills/fanfan-de/anybox/anybox-start-dev"><img src="https://agentmods.dev/badge/skills/fanfan-de/anybox/anybox-start-dev.svg" alt="Measured on agentmods" height="20"></a>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 | $0.00085 | $0.00319 |
| Opus 5 | $0.00043 | $0.00160 |
| Sonnet 5 | $0.00017 | $0.00064 |
| Haiku 4.5 | $0.00009 | $0.00032 |
Grade A, and why
anybox-start-dev 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 8d 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.
What it actually says
Anybox Start Dev
Use the bundled script to start the two long-running development processes required by this repository.
Workflow
- Run
scripts/start-dev.ps1. - Let the script open two new PowerShell 7 windows.
- Keep both windows open for the rest of the verification or testing session.
The script starts exactly these commands:
- Server:
cd <repo>/packages/anyboxagent && bun run dev:server - Client:
cd <repo>/packages/desktop && bun run dev
Notes
- Do not replace the commands with alternatives unless the user explicitly changes the workflow.
- Start the two processes in separate windows; do not run one after the other in the same blocking shell.
- If either window exits immediately, inspect the visible error in that window and report it before retrying.
- The script resolves the repository root relative to the skill location, so keep this skill inside the project root at
.anybox/skills/anybox-start-dev.
Resource
scripts/start-dev.ps1: Open the server and client in separate PowerShell 7 windows.
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.
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.
- 8d ago First seen · 31 lines · 85 tokens per session scan A fb8eeb7a9c91
anybox-start-dev is a skill published in the GitHub repository fanfan-de/anybox (57 stars, last pushed 25d ago), licensed MIT. It adds 85 tokens to every session and 319 once invoked, about $0.0004 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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