A curated list of awesome OpenAI Codex / ChatGPT plugins, skills, and resources. The #1 Codex Marketplace. See live plugins at: https://hol.org/plugins/best-codex-plugins
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
A local code-graph query tool for an existing project. It maps symbols and their relationships so you can search for definitions, callers, callees, affected files, and focused context.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
Universal coding standards, best practices, and patterns for TypeScript, JavaScript, React, and Node.js development.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
Compose Multiplatform and Jetpack Compose patterns for KMP projects — state management, navigation, theming, performance, and platform-specific UI.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex needs its repo
Interactive installer for Everything Claude Code — guides users through selecting and installing skills and rules to user-level or project-level directories, verifies paths, and optionally optimizes installed files.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
Reorganize the user's X and LinkedIn network with review-first pruning, add/follow recommendations, and channel-specific warm outreach drafted in the user's real voice. Use when the user wants to clean up following lists, grow toward current priorities, or rebalance a social graph around higher-signal relationships.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
Create platform-native content systems for X, LinkedIn, TikTok, YouTube, newsletters, and repurposed multi-platform campaigns. Use when the user wants social posts, threads, scripts, content calendars, or one source asset adapted cleanly across platforms.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
Cache expensive file processing results using SHA-256 content hashes — path-independent, auto-invalidating, with service layer separation.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
A project documentation framework that records a project's goals, requirements, roadmap, and current state in separate files. It also keeps those documents within set size limits for an AI coding agent.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
A context-management system for long, multi-step Claude Code sessions. It keeps summaries, full archived details, and project notes so important information can survive context compression, which shortens older conversation content to make room for new work.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
A context-retrieval tool for finding details from archived coding sessions after they have left the assistant's active context. It searches by keyword, project phase, record type, or decision.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
Patterns for continuous autonomous agent loops with quality gates, evals, and recovery controls.
hashgraph-online/awesome-codex-plugins
Skill Codex
A learning system that watches coding-agent sessions and turns repeated behaviors into small, confidence-scored rules called instincts. It can keep rules specific to a project or share general rules across projects, and can develop them into skills, commands, or agents.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
A planning guide for choosing language models and managing the amount of conversation context used by an AI coding workflow. It groups tasks by complexity and gives rules for avoiding context overflow during long sessions.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
C++ coding standards based on the C++ Core Guidelines (isocpp.github.io). Use when writing, reviewing, or refactoring C++ code to enforce modern, safe, and idiomatic practices.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
Use only when writing/updating/fixing C++ tests, configuring GoogleTest/CTest, diagnosing failing or flaky tests, or adding coverage/sanitizers.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
A second-opinion code review that asks a different AI model to independently inspect a change, then compares both reviews. It focuses on logic, security, consistency, and omissions.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
Multi-platform content distribution across X, LinkedIn, Threads, and Bluesky. Adapts content per platform using content-engine patterns. Never posts identical content cross-platform. Use when the user wants to distribute content across social platforms.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
Operate customer billing workflows such as subscriptions, refunds, churn triage, billing-portal recovery, and plan analysis using connected billing tools like Stripe. Use when the user needs to help a customer, inspect subscription state, or manage revenue-impacting billing operations.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
Codified expertise for customs documentation, tariff classification, duty optimization, restricted party screening, and regulatory compliance across multiple jurisdictions. Informed by trade compliance specialists with 15+ years experience. Includes HS classification logic, Incoterms application, FTA utilization, and…
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
Build a fully automated AI-powered data collection agent for any public source — job boards, prices, news, GitHub, sports, anything. Scrapes on a schedule, enriches data with a free LLM (Gemini Flash), stores results in Notion/Sheets/Supabase, and learns from user feedback. Runs 100% free on GitHub Actions. Use when…
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
Database migration best practices for schema changes, data migrations, rollbacks, and zero-downtime deployments across PostgreSQL, MySQL, and common ORMs (Prisma, Drizzle, Kysely, Django, TypeORM, golang-migrate).
hashgraph-online/awesome-codex-plugins
Skill Codex
Multi-source deep research using firecrawl and exa MCPs. Searches the web, synthesizes findings, and delivers cited reports with source attribution. Use when the user wants thorough research on any topic with evidence and citations.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex needs its repo
Deployment workflows, CI/CD pipeline patterns, Docker containerization, health checks, rollback strategies, and production readiness checklists for web applications.
hashgraph-online/awesome-codex-plugins
Skill Claude CodeCodex
A guided discussion step before technical planning that asks questions about unclear requirements, user preferences, assumptions, and design choices. It records the agreed decisions in a context file for later planning and implementation.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: