Best Graph AI Skills & MCP Servers

Personal Knowledge Brain for developers — MCP server with typed neurons, hybrid search (FTS5 + vector), knowledge graph, vault encryption, time-travel history, and spaced repetition. 100% local, SQLite-based.

MCP server for querying Polymarket data via The Graph subgraphs — supports stdio and SSE transports

MCP server for cryptographic AI agent governance. Seal policy artifacts, enforce at runtime, prove with signed receipts and offline-verifiable evidence bundles.

Verifiable Memory-as-a-Service for AI Agents — MCP server with local SQLite or cloud mode

Shopify Admin GraphQL API MCP server by AIWerk - manage products, orders, customers, inventory, and more from your AI agent

MCP server that stops AI agents from overpaying. Drops into Claude Desktop, Cursor, Continue, Windsurf, Zed, ChatGPT desktop, and Gemini CLI to give any agent live fair-market-value lookups, a green/amber/red prepay verdict, and cryptographically-signed (

Adaptive memory system for AI applications. Multi-strategy retrieval, cognitive scoring, knowledge graph, and self-improving ML. Connects via MCP or REST API.

MCP server for Microsoft 365 / Office 365 SharePoint — full read-write access to sites, documents, pages, metadata, navigation, and permissions

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)

Unsplash MCP Server

VibeSEO — Auditoria de SEO para quem cria com IA. Meta tags, sitemap, Open Graph e visibilidade no Google.

Self-learning vector memory for AI agents — single-file .rvf cognitive container with HNSW search, episodic Reflexion memory, causal graph + Cypher, 9 RL algorithms, Thompson Sampling bandit, 41 MCP tools, hybrid (BM25 + dense) retrieval, GNN attention. 1

Graph-powered code intelligence for AI agents. Index any codebase, query via MCP or CLI.

Extract design tokens (colors, typography, spacing, border radius, shadows) from any public website. Generates JSON and CSS custom properties for local projects. Available as an AI agent skill (Claude, Cursor, Codex) and standalone CLI.

A Model Context Protocol (MCP) server implementation for the Linear GraphQL API that enables AI assistants to interact with Linear project management systems.

The Hashgraph Online Standards SDK provides a complete implementation of the Hiero Consensus Standards (HCS), giving developers all the tools needed to build wonderful decentralized applications on the Hashgraph network. https://hol.org

RuvNet KB-First Application Builder - Build intelligent applications on expert knowledge

MCP server that exposes the local DKG daemon (projects, sub-graphs, activity, chat) to Cursor, Claude Code, and any other MCP-aware coding assistant.

MoneyGraph cross-border payment SDK — send payouts to 82+ countries via bank, mobile money, SWIFT, SEPA, ACH. Built for AI agents (Claude, ChatGPT, Cursor, Copilot, LangChain, CrewAI, Vercel AI SDK). Powered by StratosPay. Sandbox included.

Categorized, deterministically-ranked SKILL.md catalog AND MCP server for Claude Code (and any agent that speaks MCP). 1128 curated skills across 17 categories — frontend, backend, video editing, AI video generation, UI design, motion graphics, 3D, devops

MCP server for Neruva -- reliability infrastructure for production AI agents. One install, agent stops forgetting / drifting / repeating mistakes, every failure replayable bit-for-bit. v0.27 ships the qbound KG engine -- pick engine='qbound' on hd_kg_add_

ctxloom — The Universal Code Context Engine. A local-first MCP server providing intelligent code context via hybrid Vector + AST + Graph search with Skeletonization (92% token reduction).

Standalone Node MCP server: semantic search + knowledge graph + vault editing for Obsidian, no plugin required.

MCP server for querying the WildFly management model graph