cortexdb MCP Server
liliang-cn/cortexdb
[](https://agentrank-ai.com/tool/liliang-cn--cortexdb/?utm_source=badge&utm_medium=readme&utm_campaign=agentrank_badge) AI memory and a knowledge graph in one SQLite file. Pure Go: vectors, RAG, agent memory, RDF/SPARQL, Cypher, 80+ MCP tools. Works without an embedding model.
claude mcp add agentrank -- npx -y agentrank-mcp-server Overview
liliang-cn/cortexdb is a Go tool licensed under MIT. AI memory and a knowledge graph in one SQLite file. Pure Go: vectors, RAG, agent memory, RDF/SPARQL, Cypher, 80+ MCP tools. Works without an embedding model. Topics: embeddings, llm, vector-database, vector-search, rag, sqlite, hindsight, agent-memory, ai-memory, claude-code, codex, full-text-search, go, golang, graphrag, knowledge-graph, mcp, rdf, sparql.
Ranked #404 out of 24846 indexed tools.
In the top 2% of all indexed tools.
Actively maintained with commits in the last week.
Ecosystem
Score Breakdown
280 stars → growing community
Last commit 7d ago → actively maintained
1/1 issues closed → responsive maintainer
2 contributors → solo project
No dependents → no downstream usage
Weights: Freshness 20% · Issue Health 20% · Dependents 22% · Stars 10% · Contributors 8% · How we score →
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From the README
# CortexDB
AI memory and a knowledge graph in one SQLite file. Pure Go, no service to run, works without an embedding model.
## Install
| | |
| --- | --- |
| Go library | `go get github.com/liliang-cn/cortexdb/v2` |
| Claude Code | `/plugin marketplace add liliang-cn/cortexdb`, then `/plugin install cortexdb@cortexdb` |
| Codex | `codex plugin marketplace add liliang-cn/cortexdb && codex plugin add cortexdb@cortexdb` |
| Claude Code mod (optional) | `/plugin install cortexdb-live@cortexdb` |
| Shared-brain server | `go install github.com/liliang-cn/cortexdb/v2/cmd/cortexdb-grpc@latest` |
| Clients | `cargo add cortexdb-client` · `pip install cortexdb-client` · `npm install cortexdb-client` |
## Use
```go
db, _ := cortexdb.Open(cortexdb.DefaultConfig("brain.db"))
defer db.Close()
brain := db.KnowledgeMemory()
_, _ = brain.Remember(ctx, cortexdb.KnowledgeMemoryRememberRequest{Content: "Alice prefers tabs.", Scope: "user"})
rec, _ := brain.Recall(ctx, cortexdb.KnowledgeMemoryRec Read full README on GitHub → Get the weekly AgentRank digest
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