workflowstacks
mcp-server

NornicDB

Nornicdb is a distributed low-latency, Graph+Vector, Temporal MVCC with all sub-ms HNSW search, graph traversal, and writes. Using Neo4j Bolt/Cypher and qdrant's gRPC means you can switch with no changes while adding intelligent features like schemas, managed embeddings, reranking+llm, GPU accel, Auto-TLP, Policy-based Memory Decay, and MCP server.
917 stars+12★ this week57 forksGoUpdated 10/22/2026100% free · open source
What it does

A Go‑based distributed database that lets you store and query graph data together with high‑dimensional vectors in sub‑millisecond time, using familiar Neo4j Cypher or Qdrant gRPC APIs.

When to use it
  • •You need real‑time similarity search (HNSW) on embeddings **and** graph traversals in the same engine.
  • •Your app already talks to Neo4j (Bolt/Cypher) or Qdrant (gRPC) and you want to switch without rewriting code.
  • •You want built‑in temporal MVCC, automatic memory decay, or GPU‑accelerated reranking for LLM‑augmented retrieval.
Ready-to-paste prompt
curl -X POST http://localhost:8080/graph/query -H 'Content-Type: application/json' -d '{"cypher":"MATCH (u:User)-[r:LIKES]->(i:Item) WHERE vector.distance(r.embedding, $vec) < 0.15 RETURN i.id, r.score ORDER BY r.score DESC LIMIT 3","params":{"vec":[0.21,0.45,0.67,0.12]}}'
Heads up: NornicDB requires Go 1.22+ **and** a running Neo4j instance with Bolt enabled (default port 7687) *and* a Qdrant server (default gRPC port 6334); if either service is missing the server will fail to start with a cryptic “connection refused” error.
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Claude Code
mkdir -p ~/.claude/skills/nornicdb && curl -fsSL https://workflowstacks.com/api/skills/nornicdb/claude-skill -o ~/.claude/skills/nornicdb/SKILL.md
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claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

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Details
Creator
orneryd
Language
Go
Category
mcp-server
Published
12/6/2025

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Featured on WorkflowStacks
[![Featured on WorkflowStacks](https://workflowstacks.com/api/badge/nornicdb.svg)](https://workflowstacks.com/skills/nornicdb?utm_source=github&utm_medium=badge)
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