Upgrade Dependencies

Upgrade dependencies safely and one at a time: discover → read changelog → upgrade → validate → verify → only then the next. Never batch unrelated bumps into one commit; never skip the verify gate. Single-upgrade commits keep a failing bump cleanly revertable.

1. Detect the stack

Read repo instructions first (README, CLAUDE.md, AGENTS.md, CONTRIBUTING) and honor project conventions — task runner (just/make), package manager, any wrapper like RTK. Then detect ecosystems from the markers present. A repo may have several; handle each.

2. Discover candidates

Run the bundled one-pass discovery (read-only — only query/list commands). The script ships beside this SKILL.md; resolve its path so it runs from any cwd: