What problem does it solve? Determining exactly which files a specific person contributed to on a feature branch is hard with plain git commands, especially when files were renamed by other contributors. This Skill audits authorship across a branch versus its upstream and produces a concise table suitable for merge reviews. ## Core Features & Use Cases - Exact author resolution: Matches the requested person to their precise git identity using git log or the GitHub MCP get_me tool, avoiding false matches on similar names. - Rename-aware tracing: Builds a rename map from every commit on the branch and walks it transitively, so contributions survive multi-hop moves like contrib/chat/ → agentSessions/ → sessions/. - Merge-diff classification: Reports only files that will actually land in the upstream, labeling each as DIRECT or VIA_RENAME with +/- line stats. - Use Case: Before merging a long-lived branch, run this as a subagent to audit what a specific engineer authored and get a markdown table with a total line summary. ## Quick Start Ask the agent to find every file that a named author contributed to on your current branch compared to main, tracing renames, and return a markdown table with status, file path, and line changes.
