<Devsly/>
NotebookLM Watermark Remover
Remove the NotebookLM watermark from PDF slide exports — free, unlimited, and 100% in your browser.
View
NotebookLM Video Watermark Remover
Remove the NotebookLM watermark from every frame of your MP4 and auto-trim the end card — free and unlimited.
View
Gemini Watermark Remover
Remove the Gemini (Veo) sparkle watermark from every frame of your AI-generated MP4 — free and unlimited.
View
MCP https://devsly.io/mcp MCP Tools Best Skills API Docs
Devsly

Keyboard Shortcuts

Navigation

Quick Search
⌘ / Ctrl + K
Toggle Dark Mode
⌘ / Ctrl + D
Close Dialogs
Esc

Tool Actions

Execute / Process
⌘ / Ctrl + Enter
Clear Input
⌘ / Ctrl + Shift + C
Copy Output
⌘ / Ctrl + Shift + X

Editor

Select All
⌘ / Ctrl + A
Undo
⌘ / Ctrl + Z
Redo
⌘ / Ctrl + Shift + Z

Updated today

by hashgraph-online

hol-guard

Open-source antivirus for AI agents: block risky tools, secret access, prompt injection, malicious packages, MCP servers, plugins, and skills at runtime.

  • Active — Updated in the last 14 days
  • Multi-agent — Targets three or more agents
Works with
  • Claude
  • Cursor
  • Gemini
  • OpenCode
View on GitHub (opens in a new tab)

907 GitHub stars (907)

+226 in 16 days

Stars gained per day · daily snapshots since Sep 30
Stars gained per day, Sep 30 to Oct 16: +226 in total; the busiest day was Oct 4 with +30 stars.Oct 1: +2 starsOct 2: +8 starsOct 3: +22 starsOct 4: +30 starsOct 5: +23 starsOct 6: +18 starsOct 7: +10 starsOct 8: +17 starsOct 9: +16 starsOct 10: +10 starsOct 11: +7 starsOct 12: +7 starsOct 13: +11 starsOct 14: +19 starsOct 15: +15 starsOct 16: +11 stars
Stars gained between daily snapshots
PeriodNew stars
Oct 1+2
Oct 2+8
Oct 3+22
Oct 4+30
Oct 5+23
Oct 6+18
Oct 7+10
Oct 8+17
Oct 9+16
Oct 10+10
Oct 11+7
Oct 12+7
Oct 13+11
Oct 14+19
Oct 15+15
Oct 16+11
  • 12 skills (12 skills found in its SKILL.md files)
  • 161 forks (161 forks)
  • Today last update (Last updated today)

Install

Skills CLI

npx skills add hashgraph-online/hol-guard

Asks which skills and agents to install. Just one: npx skills add hashgraph-online/hol-guard --skill hol-guard-protection — add -g for every project.

Claude Code

git clone https://github.com/hashgraph-online/hol-guardcp -r "hol-guard/docs/guard" ~/.claude/skills/

Copies the hol-guard-protection skill into ~/.claude/skills/ for every project (use .claude/skills/ for one project). Repeat for the other skills listed below.

Plugin

/plugin marketplace add hashgraph-online/hol-guard

Run inside Claude Code if the repository ships a plugin marketplace, then pick plugins from /plugin.

Skills can run code on your machine — read the SKILL.md first.

What it does

In the author's own words, from each skill's SKILL.md.

Review before you install

A skill is a set of instructions and scripts your agent will follow, and it can run code on your machine. Read the SKILL.md and any scripts first — this listing is not a security review.