The library

youtube-full · Use when implementing youtube-full is more cost/time-effective than generic alternative.

circuit-analysis-dc-ac · Use when implementing circuit-analysis-dc-ac is more cost/time-effective than generic alternative.

hermes-acp-orchestrator · Use when implementing hermes-acp-orchestrator is more cost/time-effective than generic alternative.

digital-logic-design · Use when implementing digital-logic-design is more cost/time-effective than generic alternative.

gui-agent · Automating repetitive GUI workflows and desktop testing when no API is available

microcontroller-firmware · Bringing up microcontroller boards from power-on reset through first working peripheral

wechat-to-md · Archiving WeChat public account content for knowledge base integration

semiconductor-device-physics · Predicting transistor behavior across temperature and supply variations for analog design

signal-processing-dsp-basics · Choosing ADC parameters and filter designs to avoid aliasing in embedded systems

infinite-gratitude · Comprehensive research on a topic by parallelizing across multiple discovery angles

test-and-measurement · Systematic fault-finding on prototype circuits before design review

design-process · Defining complex engineering problems with multiple competing objectives before design

engineering-ethics · Supporting engineers in dissenting against unsafe designs when management disagrees

prototyping-fabrication · Building fastest possible prototypes that answer the current design question

structural-analysis · Verifying that a structure can safely carry its design loads before fabrication

powerskills · Navigating professional conflicts where explicit hierarchy or dependency exists

systems-engineering · Managing aerospace/automotive/infrastructure projects with hundreds of interdependent requirements

codexgo · Fast analytics on columnar Parquet data without loading entire files into memory

technical-communication · Creating engineering procedures and design documentation for long-term reference and training

biogeochemical-cycles · Predicting nutrient availability changes or carbon sequestration potential under climate scenarios

arrow-cli · Quick exploration and transformation of Parquet files in data pipelines

climate-science · Projecting climate impacts for a specific region to support adaptation planning

ecosystem-dynamics · Assessing extinction risk or recovery potential under climate or habitat change

environmental-justice · Supporting frontline communities in demanding equitable pollution control and remediation

human-impact-assessment · Forecasting extinction risk or habitat loss from proposed development when receptor sensitivity is quantifiable.

sustainability-design · Evaluating trade-offs between energy source, land use, and social outcomes when strong sustainability constraints (climate, pollinators) are binding.

cartography-gis · Creating area-accurate or direction-accurate maps when projection distortion directly affects decision (navigation vs. density comparison).

environmental-geography · Identifying which environmental changes (climate vs. land use vs. water stress) dominate risk in a specific region for a specific stakeholder.

fieldwork-methods · Ground-truthing remote sensing, collecting data on unmeasured phenomena (social practice, soil chemistry), or understanding local context that maps cannot capture.

geopolitics · Understanding why territorial disputes persist or how borders structure economic/security interests when geographic location is strategically binding.

human-geography · Explaining why cities cluster where they do, why migration follows particular routes, or why cultural traits concentrate in certain regions.

stop-slop · Cleaning published or client-facing prose when writer defaults to AI-like patterns (em-dashes, vague declaratives, binary contrasts, narrator voice).

physical-geography · Forecasting how landscapes respond to tectonic uplift or climate change when physical processes (erosion, isostasy, ocean circulation) dominate.

batch-rewrite-pattern · Refactoring identical symbols across 10+ files when manual diff review would be error-prone.

checkpoint-resume-long-job · Batch data processing, model training, or simulation when full re-run cost exceeds checkpoint overhead.

decision-framework-invoker · Forcing explicit trade-off when intuitive preference conflicts with measurable outcomes (e.g., safety vs. cost vs. timeline).

portable-schema-generator · Bootstrapping validation or documentation when schema does not yet exist but examples exist.

fork · Parallel processing when branch logic is independent and thread/process overhead acceptable.

session-observatory-live · Debugging production or long-running sessions when reproducing locally is infeasible.

ui-a11y · Meeting regulatory requirement (ADA, EN 301 549) or ensuring product serves disabled users reliably.

gsd-migrate · Upgrading framework (Next.js 13→14) or swapping persistence (SQL→NoSQL) when breaking changes are unavoidable.

unocss · Reducing CSS bundle size when utility-first design adopted and no dynamic styling needed.

gsd-onboard · Reducing time-to-first-contribution and catching setup failures before developer time is wasted.

gsd-preflight · Preventing mergeable but broken code from reaching CI/production.

gsd-trace · Recovering decision history and requirement evolution when project docs are scattered.

gsd-workflow · Disambiguating natural-language project requests and routing to the right GSD command.

garbage-collection · Identifying highest-leverage tech-debt cleanups with mechanical scoring rather than ad-hoc judgment.

causation-consequence · Separating immediate triggers from underlying structural causes in historical analysis.

continuity-change · Assessing whether a historical moment represents genuine transformation or surface disruption.

historical-perspectives · Reconstructing how historical actors understood their own world without imposing modern bias.