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 rodaddy/mcp2cli --skill agent-browsergit clone --depth 1 https://github.com/rodaddy/mcp2cliWrote 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/rodaddy/mcp2cli/agent-browser)<a href="https://agentmods.dev/skills/rodaddy/mcp2cli/agent-browser"><img src="https://agentmods.dev/badge/skills/rodaddy/mcp2cli/agent-browser/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/rodaddy/mcp2cli/agent-browser"><img src="https://agentmods.dev/badge/skills/rodaddy/mcp2cli/agent-browser.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00009 | $0.00283 |
| Opus 5.5 | $0.00004 | $0.00113 |
| Sonnet 5.5 | $0.00002 | $0.00057 |
| Haiku 4.5 | $0.00001 | $0.00028 |
Grade A, and why
agent-browser 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.
What it actually says
agent-browser
MCP tools for agent-browser
Quick Reference
| Tool | Description |
|---|---|
| browser_eval | Execute arbitrary JavaScript in the browser page context and return the result. |
| browser_find | Find elements using semantic queries -- by ARIA role, visible text, label, place... |
| browser_get | Extract data from the page or elements. |
| browser_interact | Interact with page elements by ref or selector. |
| browser_navigate | Navigate the browser: open a URL, go back/forward, reload, or close the browser. |
| browser_screenshot | Capture the current page as a screenshot (PNG) or PDF. |
| browser_snapshot | Get the current page accessibility tree with element refs. |
| browser_wait | Wait for a condition: element to appear, time to pass, URL to match, or text to ... |
Usage
mcp2cli agent-browser <tool> --params '{...}'
See references/ for detailed parameter docs per tool.
What ships with it
1 file 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 · 43 lines · 9 tokens per session scan A 4f7a2d87ff5a
agent-browser is a skill published in the GitHub repository rodaddy/mcp2cli (9 stars, last pushed 4d ago), licensed MIT. It adds 9 tokens to every session and 283 once invoked, about $0.0000 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 2026-08-31.
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