Guidance for diagnosing and fixing slow Python backend code — profile before changing anything, fix algorithmic complexity and N+1 queries…
Guidance for writing or reviewing pytest tests for a Python backend — use fixtures and parametrize instead of copy-pasted setup, test…
Code-verification session with the rubber duck — user explains code just written, finds edge cases, fixes planted bugs.
Pre-coding design sketch with the rubber duck — runs BEFORE implementation.
Wrap every assistant reply in lines of duck emojis.
Codebase-orientation session with the rubber duck — generate or refresh .claude/orientation.md with interactive exercises.
Generate and track comprehensive due diligence checklists tailored to the target company's sector, deal type, and complexity.
Setting up Duende User Management with IdentityServer: passwordless authentication (OTP, TOTP, passkeys), storage configuration, user…
Build relationship-focused matchmaking rooms on NDAI Zone by collecting user criteria, compiling detailed private `instructions` for…
Make data actually survive a crash — what fsync guarantees and what it does not, why a successful write() means nothing, the directory…
When read-only E2E tests assert over shared, sweepable environment data ("the board shows > 0 results"), guarantee the data floor with an…
Use when a Design/UI task needs responsive adaptation across screen sizes, breakpoints, device contexts, touch or keyboard constraints…
Use when a frontend or Design/UI task needs quality checks for accessibility, performance, theming, responsive behavior, visual…
Use when a Design/UI task asks to make a safe, bland, flat, or generic interface more distinctive, energetic, memorable, or high-impact…
Use before VI production to research visual benchmarks, choose a brand direction, avoid similarity risk, or define reusable brand sources…
Use when a Design/UI or product task needs clearer UX copy, labels, microcopy, empty states, errors, instructions, or onboarding text…
Use when a Design/UI task needs stronger color direction, palette repair, theme differentiation, contrast tuning, or visual interest…
Use when the user asks for UX/UI critique, design review, visual hierarchy assessment, interaction feedback, or actionable…
Use when a Design/UI task needs tasteful personality, memorable details, playful moments, celebration states, easter eggs, or emotional…
Use when a Design/UI task needs simplification, clutter reduction, clearer hierarchy, removal of unnecessary UI, or a more focused minimal…
Use when a frontend task needs production hardening for error handling, empty states, onboarding flows, i18n, text overflow, or edge-case…