open-skills

Encrypt and decrypt files or streams using age — a simple, modern, and secure encryption tool with small explicit keys, passphrase support, SSH key support, post-quantum hybrid keys, and UNIX-style composability. No config options, no footguns.

Upload and host files anonymously using decentralized storage with Originless and IPFS.

Automate web browsers for AI agents using agent-browser CLI with deterministic element selection.

Star all repositories from a GitHub user automatically. Use when: (1) Supporting open source creators, (2) Bulk discovery of useful projects, or (3) Automating GitHub engagement.

Automatically creates user-facing changelogs from git commits by analyzing commit history, categorizing changes, and transforming technical commits into clear, customer-friendly release notes. Turns hours of manual changelog writing into minutes of automated generation.

Log all chat messages to a SQLite database for searchable history and audit. Use when: (1) Building chat history, (2) Auditing conversations, (3) Searching past messages, or (4) User asks to log chats.

Check cryptocurrency wallet balances across multiple blockchains using free public APIs.

Calculate line-of-sight and road distances between two cities using free OpenStreetMap services.

Research and create modern, animated tourism websites for cities with historical facts, places to visit, and colorful designs.

Scrape websites at scale using Scrapy, a Python web crawling and scraping framework. Use when: (1) Crawling multiple pages or entire sites, (2) Extracting structured data from HTML/XML, or (3) Building automated data pipelines from web sources.

Analyzes CSV files and automatically generates comprehensive summaries with statistical insights, data quality checks, and visualizations using Python and pandas. No questions asked — just upload a CSV and get a full analysis immediately.

Create interactive, custom data visualizations using d3.js — including charts, graphs, network diagrams, and geographic maps. Use when you need fine-grained control over visual elements, transitions, or interactions beyond what standard charting libraries offer, in any JavaScript environment (vanilla JS, React, Vue, Svelte, etc.).

Query SQLite, PostgreSQL, and MySQL databases and export results to CSV/JSON. Use when: (1) Extracting data for reports, (2) Database backup and migration, (3) Data analysis workflows, or (4) Automated database queries.

Log all file changes (write, edit, delete) to a SQLite database for debugging and audit. Use when: (1) Tracking code changes, (2) Debugging issues, (3) Auditing file modifications, or (4) The user asks to track file changes.

Geocode addresses and get map data using free OpenStreetMap Nominatim API. Use when: (1) Converting addresses to coordinates, (2) Reverse geocoding coordinates to addresses, (3) Location-based features, or (4) Validating addresses.

Translate text using free LibreTranslate API. Use when: (1) Translating content between languages, (2) Creating multilingual documentation, (3) Processing international data, or (4) Building translation workflows.

Get current weather, forecasts, and historical data using free Open-Meteo and wttr.in APIs. Use when: (1) Fetching weather conditions, (2) Weather alerts and monitoring, (3) Forecast data for planning, or (4) Climate analysis.

Generate candlestick price charts for any asset from existing OHLC data, without handling data fetching.

Generate QR codes locally without external APIs using native CLI and runtime libraries in Bash and Node.js.

Fetch current and historical crypto prices and compute ATH or ATL over common time windows.

Rewrite AI-sounding text into natural, human writing by removing common LLM patterns while preserving meaning and tone.

Check an IP address across multiple public geolocation and reputation sources and return a best-matched location summary.

Transform data between JSON, CSV, and other formats with filtering, mapping, and flattening. Use when: (1) Converting API responses to CSV, (2) Processing data pipelines, (3) Extracting specific fields, or (4) Flattening nested structures.

Aggregate and deduplicate recent news from multiple sources into concise topic summaries.