Agent skills for Codex CLI

Sibyl Codex Writing Agent - Writing Papers with Codex (GPT-5)

Sibyl editing agent - integrates various chapters of a paper into a complete manuscript.

Sibyl Outline Writing Agent - Generates Detailed Paper Outlines

Sibyl simulated reviewer agent - re-evaluates rebuttal from a real reviewer's perspective.

Semantic search, similar content discovery, and structured research using Exa API.

6. Reduces Clutter: Identifies old files you probably don't need anymore

Identify and exploit file path traversal (directory traversal) vulnerabilities that allow attackers to read arbitrary files on the server…

Frontend development patterns for React, Next.js, state management, performance optimization, and UI best practices.

Create stunning, animation-rich HTML presentations from scratch or by converting PowerPoint files.

Search AI-ready websites, inspect indexed site details, verify MCP endpoints, and discover tools and APIs using the Not Human Search MCP…

Create and edit Obsidian Bases (.base files) with views, filters, formulas, and summaries.

Use the Obsidian CLI to read, create, search, and manage vault content, or to develop and debug Obsidian plugins and themes from the…

Direct REST API access to PubMed. Advanced Boolean/MeSH queries, E-utilities API, batch processing, citation management. For Python…

Analyzes sleep metrics and health data to identify patterns, evaluate quality, and provide personalized improvement strategies.

Use when writing, reviewing, or refactoring SwiftUI code for iOS or macOS, including state management and `@Observable` data flow, view…

Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes

Test-Driven Development workflow principles.

Scan Apple's SwiftUI documentation for deprecated APIs and update the SwiftUI Expert Skill with modern replacements.

When to activate: Sidekiq, background jobs, idempotent jobs, sidekiq_retry_in, job retries, unique jobs, ActiveJob, queue monitoring, Ruby…

Analyzes Amazon keyword search volume history, ABA rank trends, and click or conversion concentration metrics via the SIF API.

Analyzes Amazon keyword traffic share, top ASIN distribution, ad structures, and market competition using Wenmai SIF data.