web-browse

web-browse is a skill for Claude Code, Codex from dundas/thinkrun. It costs 96 tokens per session (1,196 once invoked), scanned A, original, MIT.

A browser-automation tool for visiting websites, interacting with pages, extracting information, and taking screenshots. It can use your open Chrome session or an isolated cloud browser.

In plain words
What is it for?
Use it to verify live webpages, scrape content, test interactions, work with open browser tabs, take screenshots, or run multiple isolated browser sessions.
Why use it?
It removes the need to perform repetitive browser checks manually and supports both logged-in local browsing and headless automated browsing.

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/dundas/thinkrun/web-browse
Any agent
npx skills add dundas/thinkrun --skill web-browse
Clone the repo
git clone --depth 1 https://github.com/dundas/thinkrun

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 web-browse

README.md
[![agentmods](https://agentmods.dev/badge/skills/dundas/thinkrun/web-browse.svg)](https://agentmods.dev/skills/dundas/thinkrun/web-browse)
Your own site
<a href="https://agentmods.dev/skills/dundas/thinkrun/web-browse"><img src="https://agentmods.dev/badge/skills/dundas/thinkrun/web-browse.svg" alt="Measured on agentmods" height="20"></a>
Per session 96 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,196 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found 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 $0.00096 $0.01196
Opus 5 $0.00048 $0.00598
Sonnet 5 $0.00019 $0.00239
Haiku 4.5 $0.00010 $0.00120

Measured 4d ago against content hash 4802e1b0d050, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

web-browse 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 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.

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.

.claude/skills/web-browse/SKILL.md · 125 lines

How it starts

The opening of the file, as written. The whole thing — 125 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Web Browse

Drive a browser programmatically with ThinkRun. Two interfaces, same capabilities:

  • thinkrun CLI — for shell scripts and terminal use. npm install -g @thinkrun/cli (bin: thinkrun).
  • @thinkrun/mcp — for MCP clients (Claude Code, Cursor, Cline, Windsurf). npx @thinkrun/mcp.

Both support two execution modes:

  • Local mode — controls your real Chrome via the ThinkRun extension + native host. Best for sites needing your login/cookies, or visual work on the browser you already have open.
  • Cloud mode — provisions an isolated Playwright browser on Fly.io. Best for headless/autonomous scraping, multi-agent work, and anti-detection (stealth).

Mode is auto-detected; override per-command with --mode local|cloud (CLI) or the set_mode tool (MCP).

When to use which

Scenario Mode Why
Site needs your login cookies Local Uses your real Chrome session
Visual/interactive work on an open tab Local Attach to the tab you're looking at
Headless autonomous scraping Cloud No Chrome needed, runs detached
Multi-agent / parallel sessions Cloud Isolated browser per session
Anti-detection needed Cloud Built-in stealth (no navigator.webdriver)

See references/details.md for the full CLI command + MCP tool reference, common patterns, and error codes.

Setup

Install

# CLI (shell use)
npm install -g @thinkrun/cli        # provides the `thinkrun` command

# MCP (Claude Code / Cursor / Cline / Windsurf)
npx @thinkrun/mcp                    # or add to your MCP config (see below)

MCP config:

{ "mcpServers": { "thinkrun": { "command": "npx", "args": ["@thinkrun/mcp"] } } }

Cloud mode

Set an API key (get one at thinkrun.ai):

thinkrun config set-key <api-key>     # or: export THINKRUN_API_KEY=<api-key>

Read the full file on GitHub · 125 lines

Files

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.

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 · 125 lines · 96 tokens per session scan A 4802e1b0d050

Subscribe to this mod's changes

web-browse is a skill published in the GitHub repository dundas/thinkrun (1 stars, last pushed 1mo ago), licensed MIT. It adds 96 tokens to every session and 1,196 once invoked, about $0.0005 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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