TL;DR:

mureo v0.8.0 (PyPI, 2026-05-02) ships mureo demo init --scenario <name> so you can try the agent against a realistic synthetic account in about 30 seconds. No Sheet export, no OAuth.

Two scenarios I'll walk through: a Meta CPA spike that looks like seasonality but is actually a broken Pixel after a Shopify migration, and a B2B SaaS account whose headline numbers look healthy while a single long-tail search term quietly converts at 4x the surrounding ad group.

Both end in the same place: dashboards show aggregates, business judgment lives in the outliers, and an LLM grounded in your STRATEGY.md is a meaningfully different reader of those outliers than a vanilla LLM.

A couple of weeks ago I walked through BYOD mode : drop a Google Ads / Meta XLSX into mureo, get a strategy-grounded diagnosis without ever handing over a refresh token. The single most common reply I got, in dev.to comments and over X DMs, was the same shape.…