ma-browser

ma-browser is a skill for Claude Code, Codex from zzhan111/multi-agents-browser. It costs 93 tokens per session (2,930 once invoked), scanned A, a copy of bb-browser, MIT.

A browser automation and information-gathering tool that can use your existing logged-in browser sessions. It can work with public websites, private pages, and supported website adapters exposed as command-line commands.

In plain words
What is it for?
It helps open pages, inspect controls, fill forms, click buttons, extract data, save screenshots, run batch browser actions, and query supported sites such as GitHub, Reddit, YouTube, and arXiv.
Why use it?
It removes the need to copy information manually or repeatedly click through websites. It can also access pages that require your account.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/zzhan111/multi-agents-browser/ma-browser
Any agent
npx skills add zzhan111/multi-agents-browser --skill ma-browser
Clone the repo
git clone --depth 1 https://github.com/zzhan111/multi-agents-browser

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for ma-browser

README.md
[![agentmods](https://agentmods.dev/badge/skills/zzhan111/multi-agents-browser/ma-browser.svg)](https://agentmods.dev/skills/zzhan111/multi-agents-browser/ma-browser)
Your own site
<a href="https://agentmods.dev/skills/zzhan111/multi-agents-browser/ma-browser"><img src="https://agentmods.dev/badge/skills/zzhan111/multi-agents-browser/ma-browser.svg" alt="Measured on agentmods" height="20"></a>
Per session 93 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,930 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin 89% copy Near-identical to another mod in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5 $0.00093 $0.02930
Opus 5 $0.00046 $0.01465
Sonnet 5 $0.00019 $0.00586
Haiku 4.5 $0.00009 $0.00293

Measured 4d ago against content hash 03082c5bd6c3, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

ma-browser scanned grade A with 1 finding 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 4d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

## fetch — 带登录态的 curl
Origin

This is a copy

89% identical to bb-browser — 248 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

skills/ma-browser/SKILL.md · 360 lines

How it starts

The opening of the file, as written. The whole thing — 360 lines — stays where its author put it; the contents beside it link to each section on GitHub.

ma-browser - 信息获取与浏览器自动化

核心价值

通过浏览器 + 用户登录态,可以获取:

  • 公域信息:任意公开网页、搜索结果、新闻资讯
  • 私域信息:内部系统、企业应用、登录后页面、个人账户数据

还可以代替用户执行浏览器操作:表单填写、按钮点击、数据提取、截图保存、批量操作。

运行在用户真实浏览器中,复用已登录的账号,不触发反爬检测。

快速开始

ma-browser open <url>        # 打开页面(新 tab)
ma-browser snapshot -i       # 获取可交互元素
ma-browser click @5          # 点击元素
ma-browser fill @3 "text"    # 填写输入框
ma-browser close             # 完成后关闭 tab

Site 系统 — 把任何网站变成命令行 API

site 系统是 ma-browser 的核心特性,通过 adapter 将网站功能 CLI 化,覆盖 36+ 平台。

# 常用命令
ma-browser site list                          # 列出所有 adapter
ma-browser site search <query>                # 搜索 adapter
ma-browser site <name> [args...]              # 运行 adapter
ma-browser site update                        # 更新社区 adapter 库

# 使用示例
ma-browser site twitter/search "Claude Code"  # 搜索推文
ma-browser site zhihu/hot                     # 知乎热榜
ma-browser site github/repo owner/repo        # 仓库信息
ma-browser site youtube/transcript <video_id> # 获取字幕
ma-browser site reddit/thread <url>           # 帖子详情
ma-browser site eastmoney/stock "茅台"         # 股票查询
ma-browser site weibo/hot                     # 微博热搜
ma-browser site arxiv/search "transformer"    # 论文搜索

adapter 自动处理 tab 管理(查找匹配域名的 tab 或新建),自动检测登录错误并提示。

详细用法和 36 平台完整列表:参见 references/site-system.md 创建自定义 adapter:参见 references/adapter-development.md

fetch — 带登录态的 curl

在浏览器上下文中执行 fetch,自动携带 Cookie 和登录态。

ma-browser fetch <url>                                    # GET 请求
ma-browser fetch <url> --method POST --body '{"k":"v"}'   # POST 请求
ma-browser fetch <url> --headers '{"Auth":"Bearer xxx"}'  # 自定义请求头
ma-browser fetch <url> --output data.json                 # 保存到文件
ma-browser fetch /api/me.json                             # 相对路径(用当前 tab 的 origin)

自动域名路由:绝对路径自动查找匹配 tab 或新建;相对路径使用当前 tab。

详细用法:参见 references/fetch-and-network.md

Tab 管理规范

操作完成后必须关闭自己打开的 tab。

# 单 tab 场景
ma-browser open https://example.com    # 打开新 tab
ma-browser snapshot -i
ma-browser click @5
ma-browser close                        # 完成后关闭

# 多 tab 场景
ma-browser open https://site-a.com     # tabId: 123
ma-browser open https://site-b.com     # tabId: 456
# ... 操作 ...
ma-browser tab close                    # 关闭当前 tab
ma-browser tab close                    # 关闭剩余 tab

# 指定 tab 操作
ma-browser open https://example.com --tab current  # 在当前 tab 打开(不新建)
ma-browser open https://example.com --tab 123      # 在指定 tabId 打开

Read the full file on GitHub · 360 lines

Files

What ships with it

4 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.

Changes

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.

  1. 4d ago First seen · 360 lines · 93 tokens per session scan A 03082c5bd6c3

Subscribe to this mod's changes

ma-browser is a skill published in the GitHub repository zzhan111/multi-agents-browser (1 stars, last pushed yesterday), licensed MIT. It adds 93 tokens to every session and 2,930 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). It is 89% identical to bb-browser, differing in 248 lines, and is treated as a copy.

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