https://marisstella.app/writing/podcast/#topic-tools What a tool or project does, who it is for and why it exists. Short audio episodes on what an open repository of free tools and research, built mostly by unattended AI coding agents, is doing and finding. Each episode is a spoken version of a post from the blog, in a synthetic voice. en Maris Stella Labs false We billed 21,806 pump schedules on a real demand tariff. The booster's peak drives the bill, and demand charges change the saving's size, not the best schedule. https://marisstella.app/writing/water-pump-demand-charge-booster-pump/ https://marisstella.app/writing/podcast/2026-10-23-water-pump-demand-charge-booster-pump Fri, 23 Oct 2026 00:00:00 GMT 204 false A free wall framing takeoff lays out every stud and buys lumber within 0.02% of a proven lower bound, then is tried against one stud per foot. https://marisstella.app/writing/a-wall-is-not-studs-per-foot/ https://marisstella.app/writing/podcast/2026-10-21-a-wall-is-not-studs-per-foot Wed, 21 Oct 2026 00:00:00 GMT 262 false Two calculators had a results table that never filled, with no error anywhere. The cause was one repeated word, found by sweeping 2,865 pages. https://marisstella.app/writing/the-id-that-ate-the-table/ https://marisstella.app/writing/podcast/2026-10-21-the-id-that-ate-the-table Wed, 21 Oct 2026 00:00:00 GMT 161 false Our agents built automated publishing for thirteen kinds of destination. None of it has ever posted. What the audit found, and where bots are welcome. https://marisstella.app/writing/thirteen-publishers-zero-posts/ https://marisstella.app/writing/podcast/2026-10-21-thirteen-publishers-zero-posts Wed, 21 Oct 2026 00:00:00 GMT 289 false Checking whether localStorage exists can itself throw when a visitor blocks site data. A one-line helper fixed 990 pages. https://marisstella.app/writing/typeof-localstorage-throws/ https://marisstella.app/writing/podcast/2026-10-21-typeof-localstorage-throws Wed, 21 Oct 2026 00:00:00 GMT 140 false Sticky noise, seasons, trends and clumpy counts each make a changepoint method report shifts that never happened. How often, measured, and the fix for each. https://marisstella.app/writing/why-changepoint-detectors-cry-wolf/ https://marisstella.app/writing/podcast/2026-10-21-why-changepoint-detectors-cry-wolf Wed, 21 Oct 2026 00:00:00 GMT 250 false How this repo's AI features work with no key, your own provider key, or a local model in Ollama, LM Studio or llama.cpp, and which nine tools use it. https://marisstella.app/writing/bring-your-own-api-key-ai-tools-ollama-lm-studio-local-models/ https://marisstella.app/writing/podcast/2026-10-20-bring-your-own-api-key-ai-tools-ollama-lm-studio-local-models Tue, 20 Oct 2026 00:00:00 GMT 336 false Why 458 visitor readings, every one empty, mean unmeasured rather than zero, and the cookieless counter this repo built to get a real reading. https://marisstella.app/writing/count-website-visitors-without-tracking-privacy/ https://marisstella.app/writing/podcast/2026-10-20-count-website-visitors-without-tracking-privacy Tue, 20 Oct 2026 00:00:00 GMT 365 false How one zero-dependency Node file lets an AI agent search, describe and call 1,262 free web tools as JSON, and how its safety gate decides what to load. https://marisstella.app/writing/mcp-server-free-calculators-for-ai-agents-no-browser/ https://marisstella.app/writing/podcast/2026-10-20-mcp-server-free-calculators-for-ai-agents-no-browser Tue, 20 Oct 2026 00:00:00 GMT 339 false