Cap'n Proto

Raised as a usability problem by 5 people on Hacker News over 13 years (2013–2025), in 6 threads.

People raised many different problems with Cap'n Proto, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 7 complaints

Code looks like normal code but silently fails when using ordinary logic like conditionals2025-09-23
API is extremely unfriendly to work with for years2024-09-29
Easy to misuse, with footgun-prone and unergonomic API design2023-12-17
Broken link crashes in HTTPS-Everywhere, so the docs can't be found2020-04-26
Documentation was patchy, making it hard to develop with2017-05-02
Sidebar is hard to see and use on mobile devices2017-05-02
Schema syntax with colons and semicolons is awkward and unnecessarily hard to read2013-04-02