Some past threads - not very large - on his writings:

How to help someone use a computer. (1996) - https://news.ycombinator.com/item?id=22989658 - April 2020 (1 comment)

Find Your Voice: Writing for a Webzine (1999) - https://news.ycombinator.com/item?id=18248836 - Oct 2018 (8 comments)

Your Face Is Not a Bar Code (2003) - https://news.ycombinator.com/item?id=17939248 - Sept 2018 (29 comments)

Life After Cyberspace (1999) - https://news.ycombinator.com/item?id=9300953 - April 2015 (2 comments)

How to help someone use a computer - https://news.ycombinator.com/item?id=1644200 - Aug 2010 (8 comments)

How to help someone use a computer - https://news.ycombinator.com/item?id=400048 - Dec 2008 (5 comments)

How to Be a Leader in Your Field - https://news.ycombinator.com/item?id=52443 - Sept 2007 (2 comments)

Also related:

Making AI Philosophical Again: On Philip E. Agre’s Legacy (2014) - https://news.ycombinator.com/item?id=21809610 - Dec 2019 (15 comments)

Missing Internet Pioneer Phil Agre Is Found Alive - https://news.ycombinator.com/item?id=1093773 - Feb 2010 (5 comments)

Phil Agre Missing - https://news.ycombinator.com/item?id=962065 - Nov 2009 (4 comments)