Best Ar AI Skills & MCP Servers

File comparison — diff, patch, delta between files or versions.

Research knowledge repository with semantic search, citations, and project lineage tracking

Your AI forgets everything between sessions. cachly fixes that permanently. Persistent memory + causal root-cause analysis for Claude Code, Cursor, Copilot & Windsurf. Learns from every bug fix, git commit, and CI run automatically. Arrives pre-briefed. P

MCP server for SEC EDGAR — search filings, extract sections, financials, insider transactions. No API key required.

MCP server and library for Xano development - XanoScript validation, Meta API, Run API, and CLI documentation

Agent-driven knowledge base — immutable raw sources + mutable wiki + self-checking lint. MCP server, no LLM needed.

Dependency graph analysis — imports, exports, circular deps, fan-in/out.

Verifier library for atrib. Independent signature, graph-derivation, and settlement-recommendation checks per atrib spec §4.6.

MergeMind MCP server — read-only доступ к общей памяти команды агентов (markdown vault с гибридным поиском BM25 + vector + rerank). Запускается через `npx -y @agfpd/mergemind-mcp@latest` из .mcp.json плагина MergeMind (gh-репо agfpd/MergeMind).

GitWand MCP server — smart Git conflict resolution for AI agents (Claude, Cursor, Windsurf, Claude Code)

A Model Context Protocol server for the Linear API.

MCP server for the H-ear World audio classification API — connect Claude, ChatGPT, and other AI agents to 521+ sound classes

Fast Markdown linter and formatter with localized CLI help and version aliases.

A Model Context Protocol server that acts as an intelligent conversation state manager and development guide for LLMs, featuring comprehensive long-term memory with persistent project artifacts

MCP server for the BuyGit Open Index — 78k+ curated, license-tagged Git assets. 14 tools, 7 resource templates, 4 prompts. Every response carries 4-axis signals (license + supply-chain risk + popularity + pricing) — the industry-unique combination no othe

MCP server for comprehensive YouTrack integration: issues, work items with reports, user activity search, knowledge base, projects and users

MCP server for the Caytoo External API — search brands, sponsorship deals, and market signals from any MCP-compatible AI client

A Node.js MCP server for searching and downloading academic papers from multiple sources, including arXiv, PubMed, bioRxiv, Web of Science, and more.

MCP server for SceneView — cross-platform 3D & AR SDK for Android and iOS. Give Claude the full SceneView SDK so it writes correct, compilable code.

Agent-aware app SDK for the MCP ext-apps protocol

MCP server para consulta ao CNES — Cadastro Nacional de Estabelecimentos de Saúde

Enable Cursor, VS Code, Claude Code or any MCP-enabled IDE to help you vibecode and manage Home Assistant: create automations, design dashboards, tweak themes, modify configs, and deploy changes using natural language

Capybara-tier CLI router — Claude Opus 4.7 with Adaptive Thinking, Strict Write Discipline, and Self-Healing Memory

Generic config-driven MCP wrapper for atrib. Spawns any upstream MCP server and applies @atrib/mcp middleware so every tool call is signed and logged. Wrap any MCP via JSON config, no per-server code.