The real catalog of tools for AI agents

AI-powered vector knowledge graph MCP server for agents. Supports add node, add edge, semantic node

Persistent memory and knowledge graph for AI assistants — keyword + vector + graph search.

A collaborative substrate over your data: vector, knowledge graph, SQL, geospatial, streaming.

Local-first personal knowledge base. Cited answers from your vault via vector + graph retrieval.

Bible knowledge graph: 31,102 verses, 341,289 cross references, people, places, themes.

Persistent local AI memory. SQLite + FTS5 + vector search, knowledge graph. No cloud, no API keys.

Family Office Knowledge Graph: read-only MCP door over the public record. Agentic KG Holdings.

Expert-curated knowledge, brand, research & earnings intelligence — 46 tools, 220+ graphs.

Read-only Wikidata tools and identity evidence. Local optional Google KG; bounded public remote.

Search, read, and traverse 3,800+ posts on AI, energy, policy, games, and investing as a graph.

A label property graph on SQLite/Postgres with multi-ontology routing and a gated MCP server.

Compresses AI chat sessions into a typed knowledge graph. Local/offline via Ollama.

FastMCP server for surgical queries against a vault knowledge graph (NetworkX node-link JSON).…

Transform unstructured text into queryable semantic knowledge graphs.

Rag Knowledge Graph MCP Server by MEOK AI Labs

Knowledge coverage map and health score. Ingest docs into a governed knowledge graph via MCP.

Knowledge graph MCP for student learning with spaced repetition and mastery tracking

Search Google's Knowledge Graph for structured information about real-world entities

Ask a codebase what calls what: search, blast radius, paths between symbols, and diffs.

Hosted MCP front door to the Vectorize API: raster-to-vector tracing to SVG, PDF, EPS or DXF.