Security: skills, plugins, subagents, slash commands and mcp servers

entra-agent-id Microsoft skill Creates Microsoft Entra identities for AI agents and configures OAuth 2.0 token exchange through Microsoft Graph. Claude Code GitHub Copilot 69installs propose-security-hardening official OpenAI skill This skill turns vulnerability evidence and scan findings into architectural hardening options. Use it when a single-finding patch does not address the wider design. CX Codex GP ChatGPT 13installs vercel-firewall official Vercel Labs skill A skill that walks your agent through Vercel Firewall: custom WAF rules, IP blocks, rate limiting, Attack Mode and the vercel firewall CLI. CX Codex GP ChatGPT 12installs auth official Vercel Labs skill Guides Next.js authentication setup with Clerk, Descope, or Auth0, including sign-in flows and protected routes. CX Codex GP ChatGPT 8installs env-vars official Vercel Labs skill Learn how the skill handles Vercel environment variables, .env files, CLI commands, and local OIDC tokens. Useful when setting up a project or tracing auth errors. CX Codex GP ChatGPT 7installs payments official Vercel Labs skill Guidance for adding Stripe checkout, subscriptions, and webhook handling to Vercel apps. Use it when building payment flows. CX Codex GP ChatGPT 5installs define-security-policy official OpenAI skill Helps author, review, and update SECURITY.md files so Codex Security knows project boundaries, invariants, and out-of-scope targets. CX Codex GP ChatGPT 4installs sandbox-sdk official Cloudflare skill A Codex skill for building with Cloudflare Sandbox SDK, from command and code execution to sandbox files and preview URLs. Use it when a Worker needs to run untrusted or AI-generated code. CX Codex GP ChatGPT 4installs sast-sca-security-analyzer official github subagent Runs SAST and SCA scans directly on your codebase. Finds source code vulnerabilities, audits dependency manifests, maps findings to CWE IDs, and drafts fixes. GitHub Copilot ★ 40,369repo stars Power Platform MCP Integration Expert official github subagent Guides Power Platform custom connector development with MCP for Copilot Studio. Helps flatten Swagger schemas, validate packages, and secure OAuth flows. GitHub Copilot ★ 40,369repo stars Gilfoyle Code Review Mode official github subagent Conducts code reviews with the abrasive technical elitism of Silicon Valley's Bertram Gilfoyle. It delivers blunt critiques of architecture and security. GitHub Copilot ★ 40,369repo stars gem-reviewer official github subagent Runs independent reviews of plans, tasks, code, configs, and integrations. Emits strict JSON validation reports for orchestrators without touching source files. GitHub Copilot ★ 40,369repo stars Dynatrace Expert official github subagent Integrates Dynatrace observability and security directly into repository workflows. It investigates incidents, verifies deployments, and identifies vulnerabilities via traces and logs. GitHub Copilot ★ 40,369repo stars Azure SaaS Architect mode instructions official github subagent Configures an AI assistant into an Azure SaaS architect for multitenant platforms. Focuses on tenant isolation, scale units, and Well-Architected SaaS patterns. GitHub Copilot ★ 40,369repo stars aws-principal-architect official github subagent This subagent reviews AWS architecture through the Well-Architected Framework and suggests specific services and next steps. Use it when planning infrastructure or weighing architectural trade-offs. GitHub Copilot ★ 40,369repo stars aws-cloud-expert official github subagent Subagent for designing, deploying, and optimizing AWS workloads. Covers serverless, containers, databases, networking, IaC, and security through the AWS Well-Architected Framework lens. GitHub Copilot ★ 40,369repo stars software-engineering-team official Awesome Copilot Community plugin Seven agents cover tasks from UX research and architecture reviews to security and DevOps. Pick a specialist for the work at hand. GitHub Copilot ★ 40,369repo stars security-best-practices official Awesome Copilot Community plugin Audit AI prompts for safety vulnerabilities, bias, and performance inside GitHub Copilot. Helps refine prompts using structured testing methods. GitHub Copilot ★ 40,369repo stars partners official Awesome Copilot Community plugin Collection of partner agents for GitHub Copilot covering Arm migration, Neon database branching, Terraform workflows, and incident triage. GitHub Copilot ★ 40,369repo stars github-security official github plugin Adds an interactive Security canvas to GitHub Copilot App for investigating GHAS code scanning alerts and local security findings. GitHub Copilot ★ 40,369repo stars