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Claude Code rarely runs out of context now, but you still pay for what you carry. 18 habits checked against the docs: /compact, /clear, caching, MCP.
Two demos from our Extract Summit Austin workshop: an agent repairs a Scrapy spider after a site redesign, then heals a live crawl mid-run through Spidermon and the Scrapy MCP, with the measured costs and the mistakes that shaped the design.
A Scrapy pipeline that asks a fast, calibrated AI model whether each scraped field still looks real, and stops the crawl when too many don't. What it caught, what it misses, and whether building it was worth it.
uv 0.12 changed several defaults that Python developers rely on—from how `uv init` structures projects to how hash checking and lockfiles behave. This practical cheatsheet tests the differences across versions and highlights the command-line traps most likely to surprise you.
It was just a silly game side project. But, as I grew my sim to 3,000 matches, I levelled up on edge routing, flattening memory spikes and hardcore monitoring.