stegstr
⚠Review·Scanned 2/17/2026
This skill embeds and decodes hidden messages in PNG images via the stegstr-cli tool. It includes an install.sh that runs git clone/cargo build, performs network access to https://github.com/brunkstr/Stegstr.git, and requests filesystem access and env vars like STEGSTR_REPO_URL.
from clawhub.ai·v197d944·6.0 KB·0 installs
Scanned from 1.0.1 at 197d944 · Transparency log ↗
$ vett add clawhub.ai/brunkstr/stegstrReview findings below
Stegstr (ClawHub Skill)
Embed and decode hidden messages in PNG images. Steganographic Nostr client—works offline, no registration.
Quick install
Requires Rust and git.
git clone https://github.com/brunkstr/Stegstr.git
cd Stegstr/src-tauri && cargo build --release --bin stegstr-cli
Binary: target/release/stegstr-cli (Windows: stegstr-cli.exe)
Or use the optional install.sh script for a one-step install to ~/.local/bin.
Usage
| Command | Description |
|---|---|
stegstr-cli decode image.png | Extract raw payload from image |
stegstr-cli detect image.png | Decode + decrypt, print bundle JSON |
stegstr-cli embed cover.png -o out.png --payload @bundle.json --encrypt | Hide payload in image |
stegstr-cli post "message" --output bundle.json | Create Nostr note bundle |
See SKILL.md for full documentation and examples.