data-analysis

Automate Excel operations including reading, writing, formatting, and formula manipulation

Extract text, tables, and data from PDF documents

Search papers from top AI/ML conferences

Daily arXiv paper recommendations with automatic deduplication

Refresh Obsidian dashboard and daily notes from current experiment state

Deep analysis of a single paper with figure extraction from arXiv source

Generate structured research progress reports

Analyze codebase with tokei (fast line counts by language) and difft (semantic AST-aware diffs). Get quick project overview without manual counting. Triggers on: how big is codebase, count lines of code, what languages, show semantic diff, compare files, code statistics.

Deep explanation of complex code, files, or concepts. Routes to expert agents, uses structural search, generates mermaid diagrams. Triggers on: explain, deep dive, how does X work, architecture, data flow.

Analyze Claude Code session logs and surface productivity improvements. Extracts thinking blocks, tool usage stats, error patterns, debug trajectories - then generates friendly, actionable recommendations. Triggers on: introspect, session logs, trajectory, analyze sessions, what…

Inter-session pmail - send and receive messages between Claude Code sessions running in different project directories. Uses global SQLite database at ~/.claude/pmail.db. Triggers on: mail, pmail, send message, check mail, inbox, inter-session, message another session, pigeon.

Capture and normalize premium usage data from the Copilot Pro panel. Use for: PRB/PTB, missing local data, manual fallback.

PostgreSQL database optimization with EF Core - detect and fix N+1, missing indexes, missing pagination, and incorrect use of AsNoTracking. Use for: slow queries, DB optimization, indexes, N+1 queries, EF Core projections, list pagination.

Expert ML analysis: training pipeline, overfitting, validation, hyperparameters, and inference optimization.

Structured Socratic questioning for exploring ideas and solutions. Use when exploring new features, evaluating approaches, or thinking through complex decisions. DO NOT USE FOR: architecture evaluation or SOLID analysis (use software-architecture), UI component design (use…

Backend architecture patterns, service layers, repository patterns, CQRS basics, event-driven, and database optimization for Node.js/Python/Java.

Extract learnings from a session and persist them to the knowledge base. Use at session end, or when you encounter patterns, decisions, or lessons worth preserving. Maintains the indexed Second Brain.

Diagnose and fix oh-my-copilot installation issues. Checks plugin path, broken symlinks, dependencies (sqlite3/jq/git), hooks.json validity, script permissions, and plugin version. Trigger with "doctor", "진단", "install check", "헬스체크", "health check".

Load when building Node.js/Express APIs with TypeScript, using middleware patterns, structuring a REST API with Express or Fastify, implementing authentication with JWT in Node, using Prisma or TypeORM for database access, writing Jest tests for Node services, or when asked "how…

Load when analyzing slow PostgreSQL queries with EXPLAIN (ANALYZE, BUFFERS), tuning HikariCP (maximumPoolSize, connectionTimeout, idleTimeout, keepaliveTime), creating B-tree, GIN, or partial indexes, using JSONB operators (@>, ?, #>>), diagnosing pg_stat_activity blocking or…

Notion MCP 操作を安全かつ再現可能に進めるために、preflight、DS ID 運用、失敗時フォールバックを標準化する。Use when: Notion ページやデータソースを作成・更新・検索するとき、認証や data source ID 周りで詰まりやすいとき。

Extract a reusable skill from the current conversation — learn from what just worked

Auto-detect and install Microsoft Copilot Skills — Fabric, Azure SQL, DevOps, Power Platform

Deep reasoning mode — engage opus-class model for complex analysis requiring extended thinking

> Agent for `aws-cost-anomaly-watch-coordinator`. Review AWS cost anomalies, budget drift, usage spikes, and savings opportunities with non-destructive recommendations and business-facing escalation guidance.