Code review and refactoring: skills, plugins, subagents, slash commands and mcp servers

code-reviewer https://github.com/Jeffallan skill Analyzes code diffs and files to spot bugs, security vulnerabilities (SQL injection, XSS), code smells, N+1 queries, and returns a prioritized review report. Use for pull request reviews and code audits. Claude Code CX Codex Cursor +1 6,500installs review-changes tirth8205 skill Reviews a change set through a knowledge graph, scoring risk and tracing impact. Use it to inspect changed functions, affected flows, and missing tests. Claude Code CX Codex Cursor +1 1,100installs refactor-safely tirth8205 skill Plans a refactor from a dependency graph, lists edits before a rename and checks the impact radius before large changes. Claude Code CX Codex Cursor +1 1,100installs explore-codebase tirth8205 skill Guides coding agents through repository structure using the code-review-graph MCP knowledge graph under tight token budgets. Claude Code CX Codex Cursor +1 1,100installs review-pr tirth8205 skill This skill reviews a PR or branch through a code knowledge graph, showing risk, affected flows, and test gaps. Use it when a diff needs structural context. Claude Code CX Codex Cursor +1 1,100installs claude-code Hermes Agent + Teknium skill Delegates coding tasks to the Claude Code CLI through terminal commands. Useful for running automated refactoring, bug fixes, and tests in one-shot or interactive sessions. Claude Code CX Codex Cursor +1 433installs review-agent-setup Tom Farley skill This skill gates AI review actions behind manual human approval before pull requests or CI pipelines change. Every attempt generates an Ed25519-signed receipt for offline auditing. Claude Code CX Codex Cursor 5,200installs codebase-inspection Hermes Agent skill Counts code lines, files, languages, and code-to-comment ratios with pygount. Use it to inspect a repository’s size and composition. Claude Code CX Codex Cursor +1 420installs semgrep trailofbits skill Runs a Semgrep static security audit on your codebase. It presents a plan for user confirmation and merges all findings into SARIF. Claude Code CX Codex Cursor +1 9,500installs codex Hermes Agent skill This skill delegates coding tasks to OpenAI's Codex agent via CLI. Use it to automate features, refactoring, PR reviews, and batch issue fixes directly from the terminal. Claude Code CX Codex Cursor +1 414installs microsoft-agent-framework official github skill Guides GitHub Copilot through building, updating, reviewing, and explaining Microsoft Agent Framework applications. It also covers migrations from Semantic Kernel and AutoGen. GitHub Copilot 1,900installs security-reviewer https://github.com/Jeffallan skill Finds code and infrastructure vulnerabilities, assigns severity ratings, and suggests fixes. Use it for audits, secret scanning, and dependency checks. Claude Code CX Codex Cursor +1 6,000installs cso garrytan skill Audits code and infrastructure for security findings, with reproduction and repair candidates in comprehensive mode. Use it when reviewing a project. Claude Code CX Codex Cursor +1 405installs ai-slop-cleaner Yeachan-Heo skill Cleans bloated AI-generated code by deleting dead logic and duplicate abstractions. It keeps current behavior locked under regression tests. Claude Code CX Codex Cursor +1 1,500installs gitnexus-guide abhigyanpatwari skill Reference guide for GitNexus MCP tools and knowledge graph schema. Helps coding agents navigate codebase dependencies and pick the right analysis tool. Claude Code CX Codex Cursor +1 806installs woocommerce-code-review woocommerce skill Checks WooCommerce changes against PHP, JS/TS, testing, and UI copy conventions. Useful for local reviews and automated PR checks. Claude Code CX Codex Cursor +1 1,800installs use-modern-go JetBrains skill Checks Go code against current, version-specific idioms. Useful before writing, fixing, or refactoring project code. Claude Code CX Codex Cursor +1 2,600installs debug-issue tirth8205 skill This skill traces bugs through a code graph before source inspection, then checks call paths and change impact. Use it when an issue needs a narrower debugging scope. Claude Code CX Codex Cursor +1 1,000installs senior-architect sickn33 skill A skill for designing and reviewing system architecture based on explicit requirements, tradeoffs and evidence. Helps you choose an approach by examining current state, alternatives and risks. Claude Code CX Codex Cursor +1 2,200installs code-simplifier official Anthropic subagent This subagent simplifies recently changed code without changing its behavior. Use it after edits when you want clearer structure and consistent project style. Claude Code 766installs reviewing-oracle-to-postgres-migration official github skill Reviews Oracle-to-PostgreSQL migration risks and checks whether migration artifacts and integration tests cover the relevant behavior changes. GitHub Copilot 1,800installs differential-review trailofbits skill Reviews code changes for security issues using Git history and test coverage. Use it for commits, diffs, and pull requests that need a written review report. Claude Code CX Codex Cursor +1 8,800installs jscpd kucherenko skill Detects duplicate code across 220+ languages and formats findings for AI agents. It flags exact copies, renamed blocks, and refactoring hotspots. Claude Code CX Codex Cursor +1 2,600installs ctx-search mksglu skill Searches a persistent project knowledge base without reloading source files into context. Queries indexed code, documentation, and session memory via FTS5. Claude Code CX Codex Cursor +1 1,100installs cc-skill-security-review sickn33 skill Reviews code for SQL injection, XSS, leaked secrets, and authorization flaws. Use it when building APIs, file uploads, or authentication. Claude Code CX Codex Cursor +1 2,100installs semantic-kernel official github skill This skill helps build and inspect Semantic Kernel applications using current documentation. Use it for projects involving plugins, function calling, or AI integrations. GitHub Copilot 1,700installs gdpr-compliant official github skill This skill guides GDPR-aware work with APIs, user data, logs, retention, and deletion. Use it when a code task involves personal data. GitHub Copilot 1,700installs cpp-pro https://github.com/Jeffallan skill Writes, optimizes, and debugs C++ with concepts, ranges, coroutines, SIMD, and template metaprogramming. Built for C++20/23 projects where performance and type safety matter. Claude Code CX Codex Cursor +1 5,300installs simplify-code Hermes Agent (inspired by Claude Code /simplify) skill Reviews recent code changes through four parallel subagents and applies justified cleanup fixes. Use it after edits to simplify code that already works. Claude Code CX Codex Cursor +1 345installs plan-devex-review garrytan skill An interactive read of a plan from the developer's side: it flags where someone opening the project for the first time will stumble, and asks before editing. Claude Code CX Codex Cursor +1 347installs code-review agno-team skill Automated code inspection for style violations, bugs, and best-practice gaps. The skill runs linting, identifies issues, and delivers structured feedback with severity levels. Claude Code CX Codex Cursor +1 472installs pr-workflow tursodatabase skill Enforces rules for atomic commits, clean PRs, dependency licensing, and secret hygiene. Useful for agents pushing code or running inside CI workflows. Claude Code CX Codex Cursor +1 1,200installs golang-refactoring samber skill A skill for behavior-preserving restructuring of Go code at scale. Uses gopls, gofmt, and tools like gopatch to break down large functions, rename types across a project, and reorganize packages without breakage. Claude Code CX Codex Cursor +1 11,200installs secure-workflow-guide trailofbits skill Guides smart contracts through Trail of Bits' 5-step security audit on check-in or before deployment. It runs static analysis, generates visual charts, and prepares fuzzing tests. Claude Code CX Codex Cursor +1 7,400installs scrutinize thananon skill An outsider-perspective review skill for plans, pull requests, and diffs. It challenges intent first, traces execution paths beyond the diff, and flags structural flaws. Claude Code CX Codex Cursor +1 5,200installs ruff-recursive-fix official github skill Runs Ruff in a chosen scope, applies safe and unsafe fixes in passes, and asks for a decision when an automated correction is ambiguous. GitHub Copilot 1,500installs golang-gopls samber skill Semantic navigation and refactoring for Go code through gopls, the official language server. Use it when grep finds text but you need types, call graphs, and build structure. Claude Code CX Codex Cursor +1 10,900installs ralplan Yeachan-Heo skill A skill that runs iterative planning with three agents (Planner, Architect, Critic) until consensus. Blocks vague requests before execution, never runs changes without your approval. Claude Code CX Codex Cursor +1 1,200installs github-code-review ruvnet skill Runs a swarm of specialized AI agents to inspect GitHub pull requests for security, performance, and architecture issues. Claude Code CX Codex Cursor +1 1,300installs sharp-edges trailofbits skill Audits API designs and configuration schemas for developer footguns. Flags dangerous defaults and fragile interfaces where the easiest path causes security vulnerabilities. Claude Code CX Codex Cursor +1 6,900installs