sem
01Skill Claude CodeCodex
Semantic version control CLI. Entity-level diffs for Git (functions, classes, methods instead of lines).
Semantic version control => entity-level diffs, blame, and impact analysis on top of git. 28 languages via tree-sitter. Built for coding agents.
sem is a Git-based semantic version control tool that compares changes to code entities such as functions, methods, and classes instead of individual lines. It helps developers and coding agents review changes, trace responsibility, and assess their impact across repositories. Catalogue add-ons provide agent integrations and workflows for operating sem.
This repository also configures its own agents. See what sem tells them →
Skill Claude CodeCodex
Semantic version control CLI. Entity-level diffs for Git (functions, classes, methods instead of lines).
Skill Claude CodeCodex
Use sem for entity-level (function/class/method) code questions in any Git repo. Four questions, four verbs - where is it (sem find, sem grep), what does my change touch (sem impact), is it correct (sem check), what should a human review (sem certify). Trigger whenever the user asks where something is defined or…
Skill Claude CodeCodex
Find named code entities, inspect callers, and review changed functions with the locally installed Ataraxy Sem CLI. Use for code discovery or Git change review when Sem is available.
Skill Claude CodeCodex
Preview how a named branch would merge into HEAD using the locally installed Weave CLI, without applying the merge. Use when reviewing overlapping branch or parallel-agent changes.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: