Reviews REST API design by inventorying routes, finding overlapping functionality, comparing payloads and pagination, and checking resource naming, URL structure, identifiers, errors, idempotency, and timestamps. Use when asked to review API routes, compare…
Manages Jujutsu workspaces for isolated task execution, GitHub PR checkout, rebases, conflict resolution, and cleanup. Use when the user asks to create or switch workspaces, check out a GitHub pull request in a JJ workspace, isolate dirty working copies,…
Write and edit in GOV.UK / GDS house style — plain English, active voice, front-loaded content, sentence case, and no bold or italics for emphasis. Use when writing or editing reports, research write-ups, guidance, documentation, summaries, or any prose where…
Commit Jujutsu working-copy changes, push an existing Jujutsu bookmark, or commit and push when explicitly requested. Use when the user asks to "jj commit", "commit with jj", "jj push", "push with jj", "jj commit and push", or wants a fast Jujutsu commit/push…
Add release-please automation to a repository that uses GitHub Actions for releases or package publishing. Use when Codex needs to inspect an existing repo, install a release-please workflow, add the required manifest/config files, preserve any existing…
Extract Mermaid diagrams from Markdown documents or raw Mermaid files and render them to PNG or SVG. Use when a task involves fenced ```mermaid blocks, Mermaid architecture diagrams in docs, or reliable image export where browser and Mermaid CLI configuration…