Knowledge Graphs

Codebase knowledge graph MCP server — call chains, topology, and hybrid search for coding agents

Production-ready MCP memory server with semantic search, project conventions learning, and comprehensive memory management for OpenCode

MCP server for accessing OntoBoom Studio ontologies and the public Hub registry via Model Context Protocol

OneDrive & SharePoint MCP Server — files, search, and sharing via Microsoft Graph API

MCP for retrieving things from the Ontology Lookup Service

MCP server for Open Knowledge Format (OKF) bundles — expose okf-ingest's deterministic consume verbs (search, context, graph impact, diff, doctor) as agent tools.

MCP server exposing graph-native code context, document retrieval, schema ranking, document store, cache, and agent pipeline tools.

MCP Server and AI Agent Skills for OpenGraphMemory

Shared memory MCP server — persistent, searchable, cross-client

Microsoft 365 MCP Server — email, calendar, and tasks via Microsoft Graph API

A model context protocol (MCP) to help agents interact with ontologies and the ontology access kit

Semantic knowledge engine for Obsidian with auto-classification and DAG hierarchy

Notemd MCP server for AI-powered text processing and knowledge workflows.

Local MCP server for AI coding agents: hybrid code search, static call graph and project memory in fewer agent turns

Nexotype MCP Server — biomedical knowledge graph for drug discovery, genomics, and market intelligence

MCP server that gives AI coding agents persistent memory via the Neuroloom API

A local typed-edge graph of people, projects, and decisions that externalises memory.

A neural knowledge graph for codebases — three-layer code/bugs/tasks understanding for Claude Code

NetworkX MCP Server with Security Fortress - Enterprise-grade secure graph analysis with AI-powered threat detection

Verified skills for AI agents. Find, install and run helper code that a program has checked on cases it never saw, and build your own: every skill ships the exact checker that proved it, so you can re-run the evidence yourself instead of taking our word for it. Free to read and install, no key and …