PreCompact
25Hook
Runs before the context is compacted, running subcog hook pre-compact. From zircote/subcog.
Hook
Runs before the context is compacted, running subcog hook pre-compact. From zircote/subcog.
Hook
Runs when the agent finishes a response, running subcog hook stop. From zircote/subcog.
Skill Claude CodeCodex
Capture decisions, learnings, patterns, and context as persistent memories that survive across sessions.
Skill Claude CodeCodex
Search and surface relevant memories to inform current work with decisions, patterns, and learnings from past sessions.
Skill Claude CodeCodex
Analyze and enhance AI prompts, skills, commands, hooks, and system configurations to leverage Subcog's persistent memory system effectively.
Instructions file
Claude Code instructions for zircote/.claude, covering claude.md, global claude instructions — concise, environment & standards includes, custom commands and git workflow (/git).
Agent
Expert DataDog API specialist for Python datadog-api-client library (v2.45.0+). Use PROACTIVELY for DataDog integration, monitor/dashboard creation, API troubleshooting, and query syntax. Provides production-ready code with proper v1/v2 API handling, authentication, error handling, and official documentation…
Agent
Expert DataDog API specialist for Python datadog-api-client library (v2.45.0 - Oct 2025). Use PROACTIVELY for monitoring setup, DataDog integration, dashboard creation, and API troubleshooting. Provides production-ready code with complete v1/v2 API handling, authentication patterns, and official documentation…
Command
Interactive remediation of code review findings using parallel specialist agents. Elicits user input at key decision points (use --quick to skip prompts), deploys domain specialists, and verifies with pr-review-toolkit.
Command
Comprehensive code review using parallel specialist agents. Produces actionable findings prioritized by severity with clear remediation paths. Outputs structured review report ready for implementation.
Command
Deep research command optimized for Opus 4.5. Conducts comprehensive, multi-phase investigation of any subject matter, codebase, or technical domain using extended thinking, subagent orchestration, and structured analysis workflows.
Command
Exhaustive codebase exploration command optimized for Opus 4.5. Conducts comprehensive, thorough investigation of codebases with maximum file reading depth. Uses "very thorough" exploration level, parallel subagents, and explicitly avoids assumptions by reading all relevant files before forming conclusions.
Skill Claude CodeCodex
Create aesthetically beautiful interfaces following proven design principles. Use when building UI/UX, analyzing designs from inspiration sites, generating design images with ai-multimodal, implementing visual hierarchy and color theory, adding micro-interactions, or creating design documentation. Includes workflows…
Skill Claude CodeCodex
Process and generate multimedia content using Google Gemini API. Capabilities include analyze audio files (transcription with timestamps, summarization, speech understanding, music/sound analysis up to 9.5 hours), understand images (captioning, object detection, OCR, visual Q&A, segmentation), process videos (scene…
Skill Claude CodeCodex
Determine the best Anthropic architecture for your project by analyzing requirements and recommending the optimal combination of Skills, Agents, Prompts, and SDK primitives.
Skill Claude CodeCodex
Master Anthropic's prompt engineering techniques to generate new prompts or improve existing ones using best practices for Claude AI models.
Skill Claude CodeCodex
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.
Skill Claude CodeCodex
Build robust backend systems with modern technologies (Node.js, Python, Go, Rust), frameworks (NestJS, FastAPI, Django), databases (PostgreSQL, MongoDB, Redis), APIs (REST, GraphQL, gRPC), authentication (OAuth 2.1, JWT), testing strategies, security best practices (OWASP Top 10), performance optimization, scalability…
Skill Claude CodeCodex
Implement authentication and authorization with Better Auth - a framework-agnostic TypeScript authentication framework. Features include email/password authentication with verification, OAuth providers (Google, GitHub, Discord, etc.), two-factor authentication (TOTP, SMS), passkeys/WebAuthn support, session…
Skill Claude CodeCodex
Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.
Skill Claude CodeCodex
Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.
Skill Claude CodeCodex
Automatically creates user-facing changelogs from git commits by analyzing commit history, categorizing changes, and transforming technical commits into clear, customer-friendly release notes. Turns hours of manual changelog writing into minutes of automated generation.
Skill Claude CodeCodex
Browser automation, debugging, and performance analysis using Puppeteer CLI scripts. Use for automating browsers, taking screenshots, analyzing performance, monitoring network traffic, web scraping, form automation, and JavaScript debugging.
Skill Claude CodeCodex
Claude Code is Anthropic's agentic coding tool that lives in the terminal and helps turn ideas into code faster. It combines autonomous planning, execution, and validation with extensibility through skills, plugins, MCP servers, and hooks.