decisions
Guide for recording significant architectural and design decisions in docs/decisions.md. Use this skill when clearly significant architectural decisions are made (database choices, frameworks, core design patterns) or when explicitly asked to document a decision. Be conservative - only suggest for major decisions, not minor implementation details.
reconnaissance
Systematic technology and market reconnaissance for extracting actionable intelligence from repositories, papers, and competitive landscapes.
benchmark-fetcher
Fetch benchmark performance data from 6 leaderboard websites using Playwright MCP and update model manifests with the latest scores. Supports SWE-bench, TerminalBench, SciCode, LiveCodeBench, MMMU, MMMU Pro, and WebDevArena benchmarks.
ascent-brand
Brand identity for Ascent Training - guided endurance training that shows its work. Use when creating marketing materials, product copy, or communications. Built around "You Climb. We Guide. We Learn." with emphasis on transparent AI that explains every decision.
brainstorm
Guide for how to brainstorm an idea and turn it into a fully formed design.
rails-analyst
Business and systems analyst for Rails projects. Use when decomposing features into tasks, estimating complexity, describing architecture, writing JTBD (Jobs To Be Done), creating use cases, identifying risks, analyzing project weaknesses, and planning product features.
mermaid-diagram-generator
Creates Mermaid diagrams for flowcharts, sequence diagrams, ERDs, and architecture visualizations in markdown. Use when users request "Mermaid diagram", "flowchart", "sequence diagram", "ERD diagram", or "architecture diagram".
design-guidelines
Comprehensive UI/UX design guidelines covering visual design (typography, color, motion) and user experience (cognitive psychology, interaction patterns, mental models). Use when building frontend interfaces or evaluating design decisions.
openai-prompt-engineer
Generate and improve prompts using best practices for OpenAI GPT-5 and other LLMs. Apply advanced techniques like chain-of-thought, few-shot prompting, and progressive disclosure.
ascent-frontend-design
Create distinctive, on-brand frontend interfaces for Ascent Training. Use this skill when building landing pages, marketing sites, app UI, React components, or any visual artifact for Ascent. Combines the mountain/guide brand identity with topographic map aesthetics and emerald/charcoal color system. Generates production-grade code that is immediately recognizable as Ascent.
tailwind-gradient-builder
Creates modern CSS gradients using Tailwind CSS including linear, radial, conic, mesh gradients, animated gradients, glassmorphism, and gradient text effects. Use when users request "gradient background", "tailwind gradient", "modern gradient", "mesh gradient", or "animated gradient".
sql-query-optimizer
Analyzes and optimizes SQL queries using EXPLAIN plans, index recommendations, query rewrites, and performance benchmarking. Use for "query optimization", "slow queries", "database performance", or "EXPLAIN analysis".
schema-consistency-checker
Audits database schemas for naming conventions, type consistency, nullability patterns, and missing constraints. Provides violations report with recommended fixes. Use for "schema validation", "database linting", "schema standards", or "consistency checks".
data-integrity-auditor
Detects data integrity issues including orphaned records, broken foreign key relationships, constraint violations, and provides automated fix migrations. Use for "data integrity", "orphaned records", "broken relationships", or "data quality".
skill-builder
Create or update Codex Skills (SKILL.md). Use when asked to make/update a skill, add SKILL.md, skill template, or mentions Codex skills / Agent Skills / スキル作成.