#knowledge-graph

Google Knowledge Graph MCP

MCP server for Google's free public Knowledge Graph Search API - search for structured entity information about people, places, organization...

Roboonto

Machine-readable robot ontologies for LLM agents — query what a robot can do, validate actions before they touch hardware. IEEE 1872-anchore...

Mempalace Rs

A high-performance, local, offline-first AI memory system built in Rust

Graph Memory MCP

Semantic, persistent knowledge graph memory for LLM-based and multi-agent systems, exposed via the Model Context Protocol (MCP).

Cortex

Local-first knowledge graph for developers. Watches your files, builds a knowledge graph with LLMs, lets you query across projects.

Codemem

A standalone Rust memory engine for AI coding assistants. Single binary, zero runtime deps. Graph-vector hybrid with MCP tools.

Wikidata MCP Server

Search and fetch Wikidata entities, execute SPARQL queries, and resolve external identifiers via MCP. STDIO or Streamable HTTP.

Brain Researcher Public

Public Brain Researcher code, contracts, docs, and service stack

Willow 2.0

Willow 2.0 — local-first memory, MCP tools, and fleet coordination for AI agents. Postgres KB, Ollama default, Grove LAN remote.

Epicode

Epicode - AI Memory Operating System. Spatial AI memory with knowledge graph, MCP integration, and auto-defense.

Katra Agentic Memory

Katra — Cognitive Memory as a Service for AI Agents. Open-source cognitive memory infrastructure with MCP protocol support.

MCP Memory Sqlite

A personal knowledge graph and memory system for AI assistants using SQLite with optimized text search. Perfect for giving Claude (or any MC...