Upload To Browser

Q: What is a Claude Code skill and how does the Upload To Browser skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Upload To Browser is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: general-misc · Last updated: 2026-09-28

Inject a local Tampermonkey userscript into the Cursor IDE browser as if Tampermonkey had started (UploadToBrowser). Use when the user asks to inject a .user.js into a Cursor browser tab, simulate Tampermonkey, test a userscript without BrowserBridge, or mentions UploadToBrowser, injektuj skript, vlastní inject, or Cursor browser without Tampermonkey.

Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

Simuluje start Tampermonkey v Cursor IDE browseru (cursor-ide-browser MCP). Tampermonkey tam není. HTTPS stránka nesmí tahat skript z http://127.0.0.1 (mixed content). BrowserBridge nepoužívej, pokud ho uživatel výslovně nechce.

What this skill does

Upload To Browser is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/upload-to-browser/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when the user asks to inject a .user.

Who uses this skill

The Upload To Browser Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 196,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/upload-to-browser
curl -L https://claudskills.com/skills/upload-to-browser/SKILL.md \
  -o ~/.claude/skills/upload-to-browser/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/upload-to-browser/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/upload-to-browser/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\upload-to-browser\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Upload To Browser Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/upload-to-browser/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Upload To Browser skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the Upload To Browser skill?

Use Upload To Browser when your Claude Code task falls under the General category — specifically in the general misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Upload To Browser" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the Upload To Browser skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Upload To Browser is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/sedlacl/GreaseMonkey/blob/10633e74a337d253ebed021a87dd301fd4fb783d/.cursor/skills/upload-to-browser/SKILL.md
Author: sedlacl

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

sedlacl. (2026). Upload To Browser [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/upload-to-browser/

BibTeX

@misc{upload-to-browser-2026,
  author    = {sedlacl},
  title     = {Upload To Browser [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/upload-to-browser/}
}

Embed this skill

Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →

Badge

[![ClaudSkills](https://claudskills.com/badge/upload-to-browser.svg)](https://claudskills.com/skills/upload-to-browser/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

Security scan

Grade A · scanned 2026-09-28 — free static scan against the OWASP Agentic Skills Top 10.

The scan flagged 1 of 10 categories (network), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.

✓ Prompt injection
✓ Data exfiltration
✓ Supply chain
✓ Reverse shell
✓ Credentials
✓ Execution
✓ Filesystem
✓ Persistence
✓ Obfuscation
⚠ Network

Show this grade on your repo (click to copy):

[![Security: A](https://img.shields.io/badge/Security-A-2e7d32)](https://claudskills.com/skills/upload-to-browser/#security)

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Browse all General skills → Top 100 skills

Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills. · What's New · Install guide · About · llms.txt

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