Coding & Dev Tools

Use git worktrees to work on multiple branches simultaneously with separate working directories, enabling parallel development, stacked PRs, and isolated code reviews.

Python code-quality anti-patterns and review checks: exception-hierarchy correctness, singleton identity comparison, narrow exception handling, wildcard-import avoidance, magic-number naming, and dead-local removal. Use when reviewing or self-reviewing Python code for correctness and readability defects that linters and reviewers should catch.

Systematically trace bugs backward through call stack to find original trigger

Building production-quality CLI tools with Cobra command framework and Viper configuration management

Playwright modern end-to-end testing framework with cross-browser automation, auto-wait, and built-in test runner

Classic VB6 patterns, COM interop, migration strategies

Compare tradeoffs and recommend architectural patterns — dependency injection, service-oriented architecture, repository, domain events, circuit breaker, and anti-corruption layer. Use when choosing between design patterns, planning microservices boundaries, evaluating system design alternatives, or asking 'which pattern should I use' for a specific coupling or resilience problem.

D3.js data visualization library reference. Covers selections, data binding (enter/update/exit), scales, axes, shape generators (line/area/pie/arc), force layout, treemap, geo maps, transitions, event handlers, zoom, brush, and drag interactions.

Use when measuring volatility with ATR, setting ATR-based stop-losses, calculating position sizes by risk tolerance, or comparing volatility across timeframes.

Log and search local text entries from the command line. Use when adding quick notes, searching past entries, or exporting a simple activity log.

Battery Management System reference — cell balancing, SOC estimation, thermal management, and protection circuits. Use when designing BMS for lithium-ion packs, evaluating battery safety, or understanding cell monitoring.

Bun all-in-one JavaScript runtime and toolkit reference. Covers runtime APIs (file I/O, HTTP server, SQLite, shell), ultra-fast package manager, built-in bundler with plugins, test runner with mocking, TypeScript support, and Node.js compatibility.

cad reference tool

cms reference tool

Monitor CPU load, per-core usage, and rank top resource-consuming processes. Use when checking temperatures, ranking processes, tracking load.

Dao reference tool. Use when working with dao in blockchain contexts.

Dbt reference tool. Use when working with dbt in data contexts.

Dcf reference tool. Use when working with dcf in finance contexts.

Data Processing Agreement reference — GDPR Article 28, processor obligations, sub-processor management, and cross-border transfers. Use when drafting or reviewing DPAs with vendors.

Enterprise asset management tracker

env reference tool

Gdb reference tool. Use when working with gdb in devtools contexts.

Human-machine interface design tool

Ink reference tool. Use when working with ink in blockchain contexts.

Irr reference tool. Use when working with irr in finance contexts.

Jwt reference tool. Use when working with jwt in devtools contexts.

Record, search, and analyze music and audio sessions with playback tracking. Use when logging audio sessions, searching metadata, analyzing listening data.

Mtr reference tool. Use when working with mtr in network contexts.

Nft reference tool. Use when working with nft in blockchain contexts.

Obv reference tool. Use when working with obv in finance contexts.

roi reference tool

Calculate RSI for any asset. Use when checking overbought/oversold conditions, spotting divergence signals, comparing multi-timeframe RSI, or setting trading entry/exit alerts.

spc reference tool

Create, extract, list, and compress tar archives with format support. Use when scanning contents, monitoring sizes, reporting results, alerting corruption.

usb reference tool

Track, analyze, and manage music and audio files from the command line. Use when organizing playlists, converting formats, or analyzing metadata.