A Claude skill that turns Claude into a rigorous reasoning and sparring partner — honest engagement, calibrated pushback, current sources, reuse before reinvention.
Latest release v0.3.0 · 20 Apr 2026
1 file for Codex and OpenCode: newton-skill AGENTS.md — 184 tokens loaded in every session.
AGENTS.md A 184 tok These files are PBNZ/newton-skill's own configuration — they tell Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.