Skills, prompts, AGENTS.md files and MCP servers that Codex reads. Skills are shared with Claude Code; the rest is Codex-native. 282,036 indexed, measured the same four ways as everything else here.
saifoelloh/golang-best-practices-skill
Skill Claude CodeCodex needs its repo
Clean Architecture audit for Go services. Use when reviewing layered architecture, dependency rules, or gRPC/usecase/repository patterns. Ensures proper separation of concerns and dependency inversion.
Skill Claude CodeCodex
An HR roleplay and writing aid that produces workplace messages in Chinese, English, or both, using different company and recruiting styles.
backspace-shmackspace/claude-devkit
Skill Claude CodeCodex
Use when performing threat modeling for a project, feature, or system architecture. Applies STRIDE threat categorization with DREAD risk rating to produce structured threat models in OTM JSON and markdown formats. Covers system decomposition, trust boundary mapping, data flow analysis, per-subsystem threat…
Skill Claude CodeCodex
Battle-tested Playwright E2E testing patterns for Next.js/React apps. Use when writing, running, debugging, or fixing Playwright tests. Also triggers on 'e2e', 'end-to-end', 'playwright', 'browser test', 'UI test', 'integration test with browser', 'flaky test', 'test keeps failing'. Covers locators, assertions…
Skill Claude CodeCodex
Interactive system flow tracing across CODE, API, AUTH, DATA, NETWORK layers with SQLite persistence and Mermaid export. Use for security audits, compliance documentation, flow tracing, feature ideation, brainstorming, debugging, architecture reviews, or incident post-mortems. Triggers on audit, trace flow, document…
Skill Claude CodeCodex
Navigating LLM tooling workflows. Use when choosing recall, search, SQLite, MCP, secret-safety, or skill validation tools.
screem500/prompt-injection-auditor
Skill Claude CodeCodex
Security audit of LLM system prompts, agent instruction files (SKILL.md, AGENTS.md, CLAUDE.md), and agent configurations against prompt injection attacks. Use when the user wants to (1) audit or harden a system prompt or agent instructions against prompt injection, (2) review an agent skill or system prompt for…
Skill Codex
Review an implemented product UI or public prose surface for hard visual defects, design-system incoherence, repeated template patterns, and AI-writing tells without treating subjective taste as universal law. Use for pre-ship screenshots, browser review, README/tool-page copy, launch notes, guide prose, or redesigns…
MCP server Claude CodeCodexCursor +2
MCP server "symgraph" as configured in grahambrooks/symgraph. Launched with cargo run -- serve. Needs 1 environment variable to run.
Skill Claude CodeCodex
Use s-gw when working with credentials, private keys, API tokens, SSH identities, browser credentials, or other sensitive data in agentic coding workflows. Prefer typed handles and local approved execution over exposing raw secret values to a model.
Skill Claude CodeCodex
Select and connect the right vector-store backend for the vector-mcp MCP server — chromadb, postgres/pgvector, qdrant, couchbase, or mongodb — and supply the correct dbtype/connection parameters that every collection and search call needs. Use when the agent must decide which engine to target, wire up…
MCP server Claude CodeCodexCursor +2
Mirror MCP: Introspection for LLMs. Runs locally from the mirror-mcp npm package.
Skill Claude CodeCodex
Use when auditing a web app for security vulnerabilities. Triggers on: 'audit my project', 'how could this get hacked', 'find bugs in this codebase', 'security review', 'pentest', 'bug bounty scope for X', 'GHSA collaborator invite', 'security audit this'. Handles both internal audits (sitting in your own codebase…
Skill Claude CodeCodex
Use Oz for version-aware external library, SDK, framework, API, and package documentation before Context7 or web search. Trigger for questions about external packages, APIs, libraries, SDKs, frameworks, versions, config keys, CLI flags, or code examples.
Skill Claude CodeCodex
Use when answering biomedical research questions that need source-backed evidence from local MCP servers, including gene, disease, drug, variant, phenotype, study, or clinical-trial questions.
MCP server Claude CodeCodexCursor +2
An MCP server for deep research or task groups. Remote server at task-mcp.parallel.ai.
MCP server Claude CodeCodexCursor +2
Search Freeport Nostr events by kind, tag & geohash radius (rides, services, reputation). Runs locally from the freeport-nostr-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Remembra Relay: session handoffs between coding agents, built from git facts. Server, CLI, MCP. Runs locally from the remembra Python package.
MCP server Claude CodeCodexCursor +2
MCP server for booking Uber rides. Runs locally from the mcp-uber npm package.
RobertoJoseph/appstore-rejections-mcp
MCP server Claude CodeCodexCursor +2
MCP server for App Store rejection reasons, solutions, and real-world cases. Runs locally from the appstore-rejections-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server "tw-stock-agent" as configured in clsung/tw-stock-agent. Runs locally from the tw-stock-agent Python package.
Skill Claude CodeCodex
This skill gives agents access to the main headlines of many newspapers and news sites, across 20 countries, via a public API. The API has two modes: a live mode, updated in near real-time, and an archive mode that lets you fetch the headlines from a given moment in time. In both modes, the endpoint returns a JSON…
MCP server Claude CodeCodexCursor +2
MCP server "monarch-money-mcp" as configured in colvint/monarch-money-mcp. Runs locally from the monarch-money-mcp Python package.
agentveil-protocol/agentveil-sdk
Skill Claude CodeCodex
AgentVeil action-control workflows for AI agent systems. Evaluate risky actions with Runtime Gate, route human approvals, resume approved execution, fetch signed receipts, inspect agent public profiles, check advisory reputation, submit signed attestations, discover agents by capability, and verify audit evidence…
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: