Performance
Performance profiling and optimization
unity-mobile
by creator-hian
Optimize Unity games for mobile platforms with IL2CPP, platform-specific code, and memory management. Masters iOS/Android deployment, app size reduction, and battery optimization. Use for mobile builds, platform issues, or device-specific optimization.
unity-collection-pool
by creator-hian
Unity Collection Pool expert for GC-free collection management using ListPool, DictionaryPool, HashSetPool, and ObjectPool. Masters memory optimization, pool sizing, and allocation-free patterns. Use PROACTIVELY for collection allocations, GC pressure reduction, temporary list/dictionary usage, or performance-critical code paths.
memory
by johnlindquist
Persistent knowledge storage using basic-memory CLI. Use to save notes, search memories semantically, and build context for topics across sessions.
perf
by johnlindquist
Performance profiling and optimization. Use for benchmarking code, analyzing performance, running Lighthouse audits, and finding hotspots.
databases
by zircote
Work with MongoDB (document database, BSON documents, aggregation pipelines, Atlas cloud) and PostgreSQL (relational database, SQL queries, psql CLI, pgAdmin). Use when designing database schemas, writing queries and aggregations, optimizing indexes for performance, performing database migrations, configuring replication and sharding, implementing backup and restore strategies, managing database users and permissions, analyzing query performance, or administering production databases.
council-of-five
by johnlindquist
Spawn 5 Opus subagents with randomly-generated distinct personas to debate a problem from multiple angles. Use when exploring UX decisions, architecture choices, or any decision that benefits from diverse perspectives arguing creatively.
review
by johnlindquist
Centralizes persona-driven code reviews (Fowler, Torvalds, Carmack, React core, etc.) so Claude can pick or combine expert viewpoints when the user asks for a code review or perspective-specific critique.
matplotlib-pro
by tondevrel
Professional sub-skill for Matplotlib focused on high-performance animations, complex multi-figure layouts (GridSpec), interactive widgets, and publication-ready typography (LaTeX/PGF).
session-close
by mseok
"End-of-session checklist. Checks for uncommitted changes, offers to update focus, project docs, context, and session log. Replaces the old stop reminder flow."
humanizer
by christopher-buss
Remove signs of AI-generated writing from text. Use when editing or reviewing text to make it sound more natural and human-written. Based on Wikipedia's comprehensive "Signs of AI writing" guide. Detects and fixes patterns including: inflated symbolism, promotional language, superficial -ing analyses, vague attributions, em dash overuse, rule of three, AI vocabulary words, negative parallelisms, and excessive conjunctive phrases.
process-hunter
by petekp
CAVEMAN HUNT BAD PROCESS! Me find greedy creature eating fire and rocks. Me bonk them good. Use when tribe say "kill processes", "clean up servers", "save battery", "find resource hogs", "bonk next.js", or "hunt processes". Me bonk known bad creature automatic. Me ask before bonk mystery creature.
performance-profiling
by lv416e
"Use when investigating performance issues, before attempting any optimization - four-phase methodology (baseline measurement, bottleneck profiling, complexity analysis, targeted optimization) that ensures data-driven decisions over gut-feel tuning パフォーマンスの問題を調査する際、最適化を試みる前に使用 - 4フェーズ手法（ベースライン測定、ボトルネックプロファイリング、計算量分析、的を絞った最適化）により、直感的なチューニングではなくデータに基づく判断を保証"
systems-architect
by dangeles
Use when designing software architecture for bioinformatics pipelines, defining data structures, planning scalability, or making technical design decisions for complex systems.
ask-questions-if-underspecified
by lv416e
Clarify requirements before implementing. Use when serious doubts arise.
karpathy-guidelines
by syndicalt
Behavioral guidelines to reduce common LLM coding mistakes. Use when writing, reviewing, or refactoring code to avoid overcomplication, make surgical changes, surface assumptions, and define verifiable success criteria.
hierarchical-matching-systems
by petekp
Expertise in architecting, implementing, reviewing, and debugging hierarchical matching systems. Use when working with: (1) Two-sided matching (Gale-Shapley, hospital-resident, student-school), (2) Assignment/optimization problems (Hungarian algorithm, bipartite matching), (3) Multi-level hierarchy matching (org charts, taxonomies, nested categories), (4) Entity resolution and record linkage across hierarchies. Triggers: debugging match quality issues, reviewing matching algorithms, translating business requirements into constraints, validating match correctness, architecting new matching systems, fixing unstable matches, resolving constraint violations, diagnosing preference misalignment.
Draft Camp Emails
by reggiechan74
This skill should be used when the user asks to "draft an email to a camp", "write an inquiry email", "email camp provider", "write registration email", "draft waitlist follow-up", "write cancellation email", "email about allergies", "contact camp about special needs", or needs help composing emails to camp providers for inquiries, registration, waitlist follow-ups, special needs requests, dietary accommodations, or cancellations. Provides email templates and personalization using the family profile.
metrillm
by MetriLLM
Benchmark local LLM models — measures performance (tok/s, TTFT, memory), quality (reasoning, math, coding, instruction following, structured output, multilingual), and computes a hardware fitness verdict. Works with Ollama.
swiftui-expert-skill
by third774
Write, review, or improve SwiftUI code following best practices for state management, view composition, performance, modern APIs, Swift concurrency, and iOS 26+ Liquid Glass adoption. Use when building new SwiftUI features, refactoring existing views, reviewing code quality, or adopting modern SwiftUI patterns.
Camp Planner Setup
by reggiechan74
This skill should be used when the user asks to "set up camp planner", "initialize camp planning", "create family profile", "configure camp planner", "start camp planning", "set up kids camp", or mentions needing to configure their family details, children info, school board, or budget for camp planning. Provides guided setup workflow for the kids-camp-planner plugin.
optimizing-tauri-binary-size
by dchuk
Guides users through Tauri binary size optimization techniques to produce small, efficient desktop application bundles using Cargo profile settings and build configurations.
entry-signals
by 0xhubed
Entry signal patterns with historical success rates. Use when deciding whether to open a position.
variance-analysis
by luisschmitzheadline
Decompose financial variances into drivers with narrative explanations and waterfall analysis. Use when analyzing budget vs. actual, period-over-period changes, revenue or expense variances, or preparing variance commentary for leadership.
memory
by rjyo
Project memory system - save and search past decisions, preferences, context, and notes. Use when user says "remember this", asks "what did we decide about X", or wants to recall/store information.