gremlin

Load before writing any code, script, or automation in the workspace. Defines the hybrid agent-script execution model (programs are invoked by agents, not humans), project layout under programs/, README discipline, operation logging, and rediscovery patterns. Load this skill the moment a task involves writing or editing code.

Access an AWS account via the AWS CLI. Use when the user asks to create, manage, troubleshoot, or inspect AWS resources like DynamoDB, S3, Lambda, EC2, CloudWatch, etc.

Browser automation CLI for AI agents. Use when interacting with websites: navigating pages, filling forms, clicking buttons, taking screenshots, extracting data, testing web apps, or automating any browser task.

Analytical SQL queries on local files via DuckDB. Use for querying CSV, Parquet, JSON, and Excel files with SQL, aggregating data, joining datasets, and exporting results — all without a database server.

Audio and video processing via the ffmpeg CLI. Use for transcoding, trimming, merging, extracting audio, generating thumbnails, converting formats, adjusting resolution/bitrate, and any media manipulation task.

Graph and network visualization via Graphviz. Use for rendering directed/undirected graphs, dependency trees, network topologies, org charts, and any node-edge diagram from DOT language.

View agenda, create events, check free/busy, and manage Google Calendar via the Google Workspace CLI (gws). Use when the user asks about calendar, events, meetings, or scheduling.

Read, create, and write Google Docs documents via the Google Workspace CLI (gws). Use when the user asks about documents, Docs, or writing/reading document content.

Search, upload, download, and manage files, folders, and permissions on Google Drive via the Google Workspace CLI (gws). Use when the user asks about files, folders, Drive, sharing, or uploads.

Read, triage, send, reply, and forward email via the Google Workspace CLI (gws). Use when the user asks about email, inbox, messages, or Gmail.

Read, write, and append data in Google Sheets spreadsheets via the Google Workspace CLI (gws). Use when the user asks about spreadsheets, Sheets, data entry, or tabular data.

Create and manage Google Slides presentations via the Google Workspace CLI (gws). Use when the user asks about presentations, Slides, or slide decks.

Image processing via the ImageMagick CLI. Use for resizing, cropping, converting formats, compositing, adding text/watermarks, adjusting colors, generating thumbnails, and batch image operations.

Generate diagrams from text using the Mermaid CLI. Use for creating flowcharts, sequence diagrams, ERDs, Gantt charts, class diagrams, state diagrams, pie charts, and more.

Universal document converter via the Pandoc CLI. Use for converting between Markdown, HTML, DOCX, PDF, EPUB, LaTeX, reStructuredText, and dozens of other document formats.

Optical character recognition (OCR) via the Tesseract CLI. Use for extracting text from images, scanned documents, PDFs, screenshots, and photos of text.

Download video and audio from YouTube, Twitter/X, TikTok, Instagram, and 1000+ other sites. Use for downloading videos, extracting audio, fetching subtitles/metadata, or archiving media content.