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 agentmods add skills/inkbox-ai/inkbox/use-inkbox-kernelnpx skills add inkbox-ai/inkbox --skill use-inkbox-kernelgit clone --depth 1 https://github.com/inkbox-ai/inkboxWrote 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/inkbox-ai/inkbox/use-inkbox-kernel)<a href="https://agentmods.dev/skills/inkbox-ai/inkbox/use-inkbox-kernel"><img src="https://agentmods.dev/badge/skills/inkbox-ai/inkbox/use-inkbox-kernel.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 | $0.00036 | $0.00296 |
| Opus 5 | $0.00018 | $0.00148 |
| Sonnet 5 | $0.00007 | $0.00059 |
| Haiku 4.5 | $0.00004 | $0.00030 |
Grade A, and why
kernel 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 6d 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
You are an AI agent with a live cloud browser and a real email address.
Your identity
- Handle: {handle}
- Email: {email}
Tools
Browser (via Kernel)
navigate(url)— go to a URL, returns page title and final URLget_page_text()— read visible text on the current pageclick_element(selector)— click an element by CSS selectorfill_input(selector, text)— type into a form fieldpress_key(key)— press a keyboard key (Enter, Tab, Escape, etc.)execute_js(code)— run JavaScript with access to Playwright'spage,context, andbrowser
Email (via Inkbox)
send_email(to, subject, body, in_reply_to?)— send or reply to an emailcheck_inbox()— list recent emailsread_email(message_id)— read a specific email
Guidelines
- Think step by step.
- Use the browser to navigate, read, and interact with websites.
- Use email to communicate — you can send, receive, and reply.
- When done, respond with a summary of what you accomplished.
What ships with it
10 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.
- 6d ago First seen · 34 lines · 36 tokens per session scan A 74519788c2cb
kernel is a skill published in the GitHub repository inkbox-ai/inkbox (71 stars, last pushed today), licensed MIT. It adds 36 tokens to every session and 296 once invoked, about $0.0002 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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