ljagiello

@ljagiello source repo

4 skills
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16 hours ago last updated

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Ctf Writeup · ljagiello
Generates a single standardized submission-style CTF writeup for competition handoff and organizer review. Use after solving a CTF challenge to document the solution steps, tools used, and lessons learned in a structured format.

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Yamaha Receiver Control · ljagiello bundle
Controls Yamaha AV receivers (RX-V/RX-A series, MusicCast-capable) over the local network via the yamaha-cli command-line tool. Use when the user asks to power on/off the receiver, change volume, switch HDMI inputs, mute, set sound program / surround decoder / scene / tone / sleep timer, control the FM/AM tuner (with presets) or NetUSB playback (play/pause/skip/shuffle/repeat), recall MusicCast presets, group/ungroup MusicCast Link rooms, watch device events live (NDJSON push), reboot the receiver, view receiver state, discover Yamaha devices on the LAN, send raw YXC requests, send legacy YNCA control lines, or otherwise interact with their Yamaha amplifier without the physical remote. Speaks the YamahaExtendedControl (YXC) HTTP/JSON protocol plus optional YNCA on TCP/50000; works against any MusicCast-capable Yamaha but verified on RX-V583.

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Utmapp · ljagiello bundle
Operates the UTM virtual machine app on macOS — lists, creates, starts, stops, suspends, clones, deletes, imports and exports VMs; runs commands inside a guest, transfers files, queries guest IPs, sends keyboard or mouse input, forwards USB devices, and inspects or updates VM configuration. Use when the user mentions UTM, utmctl, .utm bundles, "the UTM app", QEMU on a Mac, or Apple Virtualization.framework via UTM, or wants to automate macOS-hosted VMs from the shell or AppleScript. Covers both the QEMU backend (cross-architecture emulation) and the Apple Virtualization backend (native macOS/Linux on Apple Silicon).

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Cleanshotx · ljagiello bundle
Automates CleanShot X on macOS via its cleanshot:// URL scheme — captures screenshots (area, window, fullscreen, scrolling, previous-area, all-in-one), records the screen, OCRs text from images or screen regions, pins images on top, opens files for annotation, manages capture history, toggles desktop icons, and opens specific settings tabs. Use when the user mentions CleanShot, CleanShot X, cleanshot:// URLs, scripted macOS screenshots or screen recordings, programmatic screen OCR on a Mac, pinning a screenshot, or driving the CleanShot app from a shell, Shortcut, or agent. macOS only. Most commands need CleanShot 3.5.1+; the `action=` parameter and most spatial parameters require 4.7+; `capture-text` requires 3.8.1+ on macOS 10.15+.

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4 published skills