How do I install the Watermark skill?

Run npx skillmds@latest add bytesagain/watermark in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Watermark safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. Capability flags: executes scripts. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Watermark?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Watermark free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Watermark?

bytesagain (@bytesagain) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Watermark by bytesagain — Agent Skill

Name: Watermark
Rating: 4.2 (5 reviews)
Author: bytesagain

File contents

Watermark — Watermarking Reference

Quick-reference skill for watermarking techniques, implementation, and digital content protection.

When to Use

Adding visible watermarks to images and documents
Understanding invisible/digital watermarking for tracking
Implementing CSS/canvas watermarks in web applications
Protecting intellectual property and detecting unauthorized use
Understanding steganography and content authenticity

Commands

`intro`

scripts/script.sh intro

Watermarking overview — types, purposes, visible vs invisible, history.

`visible`

scripts/script.sh visible

Visible watermarks — design principles, placement, opacity, tamper resistance.

`invisible`

scripts/script.sh invisible

Invisible watermarks — frequency domain, LSB, spread spectrum, robustness.

`web`

scripts/script.sh web

Web watermarking — CSS overlay, canvas-based, DOM watermarks, anti-removal.

`document`

scripts/script.sh document

Document watermarking — PDF, print, forensic tracking, canary traps.

`ai`

scripts/script.sh ai

AI watermarking — C2PA standard, AI-generated content marking, detection.

`attacks`

scripts/script.sh attacks

Watermark attacks — removal, distortion, collusion, and countermeasures.

`checklist`

scripts/script.sh checklist

Watermark implementation checklist for different use cases.

`help`

scripts/script.sh help

`version`

scripts/script.sh version

Powered by BytesAgain | bytesagain.com | hello@bytesagain.com

---name: watermarkdescription: Watermark reference — visible and invisible watermarking, steganography, copyright protection, detection. Use when implementing watermarks for images, documents, or media, or understanding digital rights management.--- # Watermark — Watermarking Reference Quick-reference skill for watermarking techniques, implementation, and digital content protection. ## When to Use - Adding visible watermarks to images and documents - Understanding invisible/digital watermarking for tracking - Implementing CSS/canvas watermarks in web applications - Protecting intellectual property and detecting unauthorized use - Understanding steganography and content authenticity ## Commands ### `intro` ```bash scripts/script.sh intro ``` Watermarking overview — types, purposes, visible vs invisible, history. ### `visible` ```bash scripts/script.sh visible ``` Visible watermarks — design principles, placement, opacity, tamper resistance. ### `invisible` ```bash scripts/script.sh invisible ``` Invisible watermarks — frequency domain, LSB, spread spectrum, robustness. ### `web` ```bash scripts/script.sh web ``` Web watermarking — CSS overlay, canvas-based, DOM watermarks, anti-removal. ### `document` ```bash scripts/script.sh document ``` Document watermarking — PDF, print, forensic tracking, canary traps. ### `ai` ```bash scripts/script.sh ai ``` AI watermarking — C2PA standard, AI-generated content marking, detection. ### `attacks` ```bash scripts/script.sh attacks ``` Watermark attacks — removal, distortion, collusion, and countermeasures. ### `checklist` ```bash scripts/script.sh checklist ``` Watermark implementation checklist for different use cases. ### `help` ```bash scripts/script.sh help ``` ### `version` ```bash scripts/script.sh version ``` --- *Powered by BytesAgain | bytesagain.com | hello@bytesagain.com*

Frequently asked questions

Watermark

File contents

Watermark — Watermarking Reference

When to Use

Commands

intro

visible

invisible

web

document

ai

attacks

checklist

help

version

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