Best Rules AI Skills & MCP Servers

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

Typescape MCP server for review, finding, and rules workflows in external agent harnesses

Your terminal. Your agent. Your rules.

Turn editor chat history (Cursor, Claude Code, Windsurf, Copilot) into typed Markdown decisions + AGENTS.md rules — local-first, git-trackable, zero remember() calls.

Codify how you work. Every AI tool obeys. Markdown rules + cross-tool companion files (AGENTS.md/CLAUDE.md/.cursor/rules/.gemini) + Compliance Receipts for protocol-level enforcement of destructive ops. Reference implementation of CRP 1.0. Works on every

AI Governance Era v6.1: loungeservice-grade project initialization. Creates 8-folder structure with complete AI governance (AI_RULES.md, AI_ROLE_MATRIX.yaml, NAMING_EXCEPTIONS.md, DEVELOPMENT.md, project.md) and bridge files (.cursorrules, .windsurfrules)

DeukPack — Universal schema multi-hub for Protobuf, Thrift, OpenAPI, and .deuk. Protobuf-aligned wire; fast C#/C++/JS codegen.

🧴 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,

Security scanner MCP server for AI coding agents. Prompt injection firewall, package hallucination detection (4.3M+ packages), 1700+ vulnerability rules with AST & taint analysis, LLM-powered semantic code review, auto-fix. For Claude Code, Cursor, Windsu

MCP server and CLI exposing HTML email template rules for AI: Outlook/MSO, VML buttons, RTL, responsive tables, Gmail clipping, dark mode, and placeholders.

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

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

MCP server that formats files using .editorconfig rules

MCP server for Meshes — emit events, manage workspaces, create rules, and inspect deliveries from any MCP-compatible client.

Organize all your Claude Code memories, skills, MCP servers, commands, agents, rules, and hooks — see what loads globally vs per-project, then move items between scopes

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

Stop AI from breaking code you told it not to touch. Enforces .cursorrules, CLAUDE.md, and AGENTS.md — not just suggests. Zero-config: npx speclock protect reads your existing AI rule files, extracts constraints, installs pre-commit hooks, and makes your

Cross-Code Organizer (CCO, formerly Claude Code Organizer) — manage AI coding tool configs across Claude Code, Codex CLI, and more. Memories, skills, MCP servers, commands, agents, rules, and hooks across global and project scopes

Prism Context Engine — Context Governance for LLMs. MCP server that gives AI coding assistants (Cursor, Claude, Windsurf, VS Code) your project's architectural rules, design system, and security constraints.

MCP server & CLI: codebase index + cache for Claude Code, Cursor, OpenAI Codex, Google Antigravity/Gemini. Model Context Protocol tools (codetree_read, codetree_search, …), hooks on Claude, rules on other IDEs. Token savings, SQLite index, symbol search,

Security scanner for AI agent tools. Local static scan of MCP IDE configs (41 rules, toxic flow heuristics, AAuth visibility, auto-fix, tool pinning). Optional proxy + in-browser dashboard: traffic, findings, AAuth Explorer, YARA, Playground. Smart Scan o