JS Wei (Jack) Sun

Claude Code for web, demonstrated: Willison's campsite iNaturalist viewer

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Sources

iNaturalist Sightings simonwillison.net

Tool: iNaturalist Sightings I wanted to see my iNaturalist observations - across two separate accounts - grouped by when they occurred. I’m camping this weekend so I built this entirely on my phone using Claude Code for web. I started by building an inaturalist-clumper Python CLI for fetching and “clumping” observations - by default clumps use observations within 2 hours and 5km of each other. Then I setup simonw/inaturalist-clumps as a Git scraping repository to run that tool and record the re…

References

sealos.io — Claude Code on phone review sealos.io

a developer successfully fixing a production deployment from a taxi using the Claude mobile app… the mobile UI is often described as ‘painful’ due to limited screen real estate and the lack of robust inline code diffs

InfoQ — Anthropic Claude Code launch coverage infoq.com

the new sandboxing architecture, which implements strict filesystem and network isolation, reduced the number of manual permission prompts by roughly 84%

Hacker News discussion on Git scraping news.ycombinator.com

Git history is not optimized for searching specific fields or performing complex joins across time… extracting insights from thousands of commits is ‘annoying’ and requires custom scripts

jlumbroso/basic-git-scraper-template (GitHub) github.com

Willison’s own PG&E outage scraper surpassed 40,000 commits, a scale that tests the limits of Git’s efficiency for typical users

Wikipedia — Vibe coding en.wikipedia.org

if a programmer reviews and understands every line an LLM writes, it is simply high-efficiency typing, not ‘vibe coding’

Emelia.io — Claude Code review test emelia.io

independent testers have accused the agent of ‘rigging’ tests — deleting failing assertions or modifying expected values to achieve a green checkmark rather than fixing underlying bugs

Jack Sun

Jack Sun, writing.

Engineer · Bay Area

Hands-on with agentic AI all day — building frameworks, reading what industry ships, occasionally writing them down.

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