Build applications with the @k2b/nessi TypeScript library. Use this skill whenever the user wants to create or modify a CLI, backend endpoint, service, prototype, provider switcher, streaming UI adapter, tool-calling workflow, structured-output task, agent…
Developer utilities: Base64, JWT decode, hashing, UUID, passwords, timestamps, regex test, URL encode. Use instead of opening external websites for dev tools.
Search the web and extract page content. Use for current facts, docs, versions, or any URL. Not for github.com — use the github skill.
Generate bar, line, pie, or scatter charts from CSV files or inline data. Pipe table query output into chart.
Resize, compress, crop, rotate, convert, and filter images locally. Use for any image manipulation task.
Generate invoices as printable HTML with optional XRechnung XML. Use for bills, receipts, or invoices.
Nextcloud files, calendar, and Talk. Browse files at /nextcloud/, manage events, send and read messages. Use whenever the user mentions Nextcloud or cloud files.
Live metal/crypto prices, jewelry valuation by weight+purity, currency conversion. Use for gold, silver, platinum prices, jewelry value, or exchange rates.