Agent skills for Codex CLI

Guides agents through integrating transactional email sending via Mailtrap's Email API, including sandbox testing, domain verification…

Maintain a repository's lightweight .brain after durable changes, or import and synchronize roadmap and instruction Markdown sources…

Periodic pass that keeps a project's verification skill and feature map honest: parallel source readers per feature, one live session…

Create, revise, or audit AGENTS.md files from repository evidence, verified commands, and correctly scoped instructions without…

Audits the codebase for maintainability drift: test gaps, shallow modules, tight coupling, dead weight, doc rot, and code smells.

Creates, refreshes, or reviews repository-owned developer documentation that gives developers a durable architectural mental model, gives…

Establish, inspect, or evolve a project's reusable design-system foundations, semantic tokens, themes, component inventory, variants, and…

Creates and maintains index files mapping features to file paths

Maintain persistent SagaSmith narrative campaigns across sessions by settling downtime, travel, faction turns, clocks, relationships…

Maintain project memory by reconciling current decisions, evidence, unresolved work and reusable lessons.

Keep a shipped product healthy: monitoring, updates, incidents, debt, periodic audits, retirement.

Run a deep, whole-wiki health-check and maintenance pass on this OKF wiki.

Use after modifying existing systems to update blueprint documentation.

Optimize PostgreSQL/SQLite query performance for Rails.

Generate and validate startup ideas through market research, skill-market fit, and iterative refinement.

This skill guides writing DigitalOcean infrastructure with OpenTofu/Terraform.

Create comprehensive sprint plans by intelligently grouping estimated user stories based on velocity, dependencies, priorities, and risk.

Audit, diagnose, or optimize website loading and interaction performance, Core Web Vitals, and Lighthouse performance scores.

Organize story main line, extract and arrange major plot points by development stage.

Generate publication-ready figures and visual abstracts for medical research papers.

Apply concrete design-engineering details that make interfaces feel polished.