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/testzugang/pi-plugins/browser-toolsnpx skills add testzugang/pi-plugins --skill browser-toolsgit clone --depth 1 https://github.com/testzugang/pi-pluginsWhat 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 | $0.00026 | $0.01166 |
| Opus 5 | $0.00013 | $0.00583 |
| Sonnet 5 | $0.00005 | $0.00233 |
| Haiku 4.5 | $0.00003 | $0.00117 |
Grade A, and why
browser-tools 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 2d 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 — 155 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Browser Tools
Use the browser tools when a task needs a real Chrome session: frontend testing, JavaScript-heavy pages, login-dependent pages, DOM inspection, or visual verification.
Available Commands
/browser- Master-Befehl zur Steuerung und Interaktion mit dem Browser. Wird er ohne Argumente aufgerufen, öffnet sich ein interaktives Konfigurationsmenü. Unterstützt folgende Subcommands:start [profile]– Browser starten (optional mit bestimmtem Profil)profile [--global|--project] [clear]– Chrome-Profil als Standard festlegen (global als Default;--projectfür Projekt-Override;clearzum Löschen im gewählten Scope)executable [--global|--project] [clear]– Browser-Executable als Standard festlegen (global als Default;--projectfür Projekt-Override;clearzum Löschen im gewählten Scope)nav <url>– URL aufrufeneval <code>– JavaScript ausführenscreenshot– Screenshot aufnehmen
Die alten Einzelbefehle stehen weiterhin als direkte Aliase zur Verfügung:
/browser-start– entspricht/browser start/browser-profile– entspricht/browser profile/browser-executable– entspricht/browser executable/browser-nav– entspricht/browser nav/browser-eval– entspricht/browser eval/browser-screenshot– entspricht/browser screenshot
Available Tools
browser_start({ profile?: boolean | string })- start Chrome with remote debugging.browser_nav({ url: string, newTab?: boolean })- navigate the active tab.browser_eval({ code: string })- evaluate JavaScript in the active tab.browser_screenshot({})- capture the current viewport and return an image path.
Session Startup
If no browser session is running, start one first:
browser_start({})
Use profile mode only when the user needs existing cookies, logins, or browser state:
browser_start({ profile: true })
Use a named Chrome profile when the user asks for a specific profile:
browser_start({ profile: "Profile 2" })
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.
- 2d ago First seen · 155 lines · 26 tokens per session scan A 7807f6364ce8
browser-tools is a skill published in the GitHub repository testzugang/pi-plugins (2 stars, last pushed 1mo ago), licensed MIT. It adds 26 tokens to every session and 1,166 once invoked, about $0.0001 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 2026-08-31.
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