Best Rules AI Skills & MCP Servers

Multi-AI Rules MCP Server - One source of truth for AI coding rules across all AI assistants

Local dashboard to sync Claude Code, Cursor, Codex, Gemini CLI, and Qwen Code rules, MCP servers, and skills.

🧴 Sync your AI agent configurations and rules across platforms with ease

MCP server that exposes Bufab's design system (UI guidelines, tokens, section specs), infrastructure rules, and Azure Bicep validation. Includes a UI guideline validator usable via `bufab-mcp validate <file>`.

Deployment tool and support utility for AI context. Copies agents, skills, commands, rules, and behaviors into the paths each AI platform reads (Claude Code, Codex, Copilot, Cursor, Warp, OpenClaw, and 6 more) so one source of truth works across 10 platfo

Security MCP for vibe coding. 424 rules, 36 tools, CLI + doctor. Host security, auth coverage mapping, LLM-powered deep scan (IDOR/business logic), taint analysis. 61 CVE rules refreshed daily from GHSA/OSV/CISA KEV — Next.js May 2026 13-advisory cluster,

Score your Claude Code config, fix the gaps with hooks and permissions, prove Claude follows your rules with eval.

Your AI agent has read your codebase but still can't safely change it. unerr is a local guardrail that hands the agent the call graph and your rules at the moment it edits.

The MCP server for Taiwan NHI billing intelligence — rejection codes, audit clauses, drug payment rules, fee schedule, special materials, and appeal case precedents. Helps AI agents answer Taiwan health-insurance billing and audit questions with authorita

MCP Server for dynamic language and framework context loading - Compatible with Cursor and GitHub Copilot

Advanced cross-platform prompt optimization with MCP integration and 120+ optimization rules

MCP (Model Context Protocol) tools for ACW - download rules and initialize Common Admin projects

Validate data — JSON syntax, JSON Schema compliance, TypeScript type checking, lint rules.

MCP (Model Context Protocol) server providing AI coding agents with universal, language-agnostic development rules. Includes coding standards, testing workflows, git conventions, plan creation/execution protocols, and intelligent project analysis for auto

Framework-agnostic domain knowledge API for Brainerce. Provides SDK docs, types, business flows, critical rules, and store capabilities to AI tools like Lovable, Cursor, Bolt, v0, and Claude Code. Does NOT provide framework-specific boilerplate — clients

AI Constraint Engine with AI Patch Firewall. 42 MCP tools. Patch Gateway (ALLOW/WARN/BLOCK verdicts), diff-native review (10 scored signals, hard escalation rules), Spec Compiler, Code Graph, Typed constraints, Python SDK, ROS2. Works with Claude Code, Cursor, Windsurf, Cline, Bo

MCP server with 53 security intelligence tools — CVE/KEV, MITRE ATLAS+D3FEND, Sigma detection rules, email security posture (SPF/DMARC), domain & web intel, threat intel.