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Featured in Domain Arrivals · 2026-08-15

WaveCraft, the synth your AI can actually play

theonlinesynth.com ↗ · Developer Corner · score 86.0
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

A free browser synthesizer and drum machine that lets AI control a real instrument through an MCP server, while preserving the editable score, stems, and MIDI.

Why it surfaced

WaveCraft replaces the usual prompt-to-audio blob with 67 inspectable parameters, 46 presets, deterministic rendering, and a song represented as an editable JSON document. It is an unusually concrete answer to the question of what AI-assisted music-making might look like when the human is still allowed to be a player.

The Two-Tonne Temperature Problem

August 15’s newborn domains include a live-aboard hydrogen airship with a two-tonne lift problem, a Japanese toolbox that explains its assumptions, an advisory-by-advisory Hawaiʻi hurricane archive, and a wedding-gift game about ungrateful poultry.

This is one of 1,000 discoveries in the 2026-08-15 Domain Arrivals issue.