Featured in Domain Arrivals · 2026-08-18
Marginal: a spend ledger for every LLM call
Marginal tracks LLM request costs server-side, then lets teams slice spending by customer, feature, model, or any field they define.
Why it surfacedIts integration is unusually concrete: one buffered, fire-and-forget call per request, with TypeScript, Python, and HTTP options. The dashboard turns “the bill doubled” into a named cause, while rejected events, ignored fields, unpriced models, and custom prices remain visible instead of disappearing into an average.
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The Plotter’s 09:30 Shift
August 18’s newborn domains include an obsolete pen plotter clocking in at 09:30, emergency warnings designed for sight, touch, or hearing, a funeral-folder tool calibrated for printer drift, and photographs of Colombian rental signs turned into a housing map.
This is one of 1,000 discoveries in the 2026-08-18 Domain Arrivals issue.