Writing

3 posts · tagged product · oldest May 2026

REX1 post · 2026github watch demo

2026·09·14Point, don't pasteReviewing a document with an AI still means copying a paragraph into a chat, explaining where it came from, and carrying the answer back by hand. REX puts the conversation on the document instead — every comment is a thread, the thread stays attached to its passage, and nothing reaches your file until you approve it.agentsaiproduct9 minvideo

VEX1 post · 2026github watch demo

2026·06·21It works from the terminalThe app ran perfectly when I launched it from a shell and failed with ENOENT when a user double-clicked it. A GUI app does not have your PATH, and the only thing that knows your PATH is your shell.toolingdebuggingproduct5 min

DEX1 post · 2026github watch demo

2026·05·12I built a time machine, then deleted half of itA retrospective on the deletions. Four timeline verbs, parallel variants in git worktrees, a record mode and four branch families — two cleanup specs removed almost all of it, including, awkwardly, the feature whose existence justified the first round.gitproductarchitecture10 min