Daniel Atienza López

Every change on my side projects now starts as a spec, not a prompt. How OpenSpec structures the work between me and an LLM: feature-sized changes, open questions I have to answer myself, and documentation that accumulates as a by-product of shipping.

Manual Cloud Build deploys of this site took about six minutes. An LLM read the build log, I shipped a chain of small fixes, and typical runs are now around two.

Thirty days of noisy request logs from an outside project, an LLM as analyst, and a small Cloudflare WAF — scanner garbage at the origin went from dozens a day to zero.

A circular walk on the Bath Skyline route — about 8.8 km of meadows, woodland, and views over the city.

A circular running loop around Sefton Park in south Liverpool — about 3.5 km of lakeside paths, open lawns, and the Palm House.

A circular hike from Montserrat monastery to the top of Sant Jeroni — about 10 km and 810 m of climbing among strange rounded rock towers.

A flat 9 km coastal run from Palma along the seafront — promenade, marina, and sunset beaches south of the city.

A linear walk along the Wirral coast, from New Brighton at the mouth of the Mersey round to the marine lake at West Kirby — about 19 km, flat and facing the sea the whole way.

A short running loop from Betws-y-Coed up to Llyn Elsi and back — about 6 km of forest track and reservoir views.

A circular hike from Pen-y-Pass to the summit of Snowdon, up the Miners' Track and down the Pyg Track — about 12 km, climbing roughly 860 m.