Ainative Memory MCP server
Cloud-persistent, semantic-search memory MCP — drop-in for server-memory, backed by ZeroDB.
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If you have run it, two minutes of your experience saves the next person an afternoon.
Ainative Memory tools (10, 5 write)
write = sends, deletes, buys or postsRead from the package source without running it. The installed server may list more.
add_observationsAdd new observations to existing entities in the knowledge graph.
create_entitieswrite actionCreate multiple new entities in the knowledge graph. Entities are the fundamental nodes with a name, type, and list of observations. Stored in ZeroDB cloud — persists across sessions and devices.
create_relationswrite actionCreate multiple new relations between entities in the knowledge graph. Relations should be in active voice.
delete_entitieswrite actionDelete multiple entities and their associated relations from the knowledge graph.
delete_observationswrite actionDelete specific observations from entities in the knowledge graph.
delete_relationswrite actionDelete multiple relations from the knowledge graph.
open_nodesOpen specific nodes in the knowledge graph by their names.
read_graphRead the entire knowledge graph from ZeroDB cloud storage.
search_nodesSearch for nodes in the knowledge graph based on a text query. Matches against entity names, types, and observation content (case-insensitive substring match).
search_nodes_semanticSearch for nodes in the knowledge graph using semantic vector similarity. Unlike search_nodes which does exact text matching, this finds entities by meaning — e.g., searching "machine learning frameworks" would find entities about "PyTorch" or "TensorFlow" even without those exact words.
Public scan report
scanner v0.1.9 · 2026-09-24 · same rubric, same numbers if you re-run it
- Code scan2 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancelast push 54 days ago12/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year9/10
What the publisher says
From the Ainative Memory repository's README, as published. We do not edit it. Read it on GitHub
ainative-memory-mcp
Enhanced MCP knowledge graph memory server with cloud persistence and semantic search. Drop-in replacement for @modelcontextprotocol/server-memory.
Why this instead of server-memory?
Quick Start
Claude Desktop / Claude Code
{
"mcpServers": {
"memory": {
"command": "npx",
"args": ["-y", "ainative-memory-mcp"],
"env": {
"ZERODB_API_KEY": "ak_your_key"
}
}
}
}No API key? Just omit it — a free ZeroDB instance is auto-provisioned on first run.
Cursor / Windsurf / VS Code
Same config in your .mcp.json:
{
"mcpServers": {
"memory": {
"command": "npx",
"args": ["-y", "ainative-memory-mcp"],
"env": {
"ZERODB_API_KEY": "ak_your_key"
}
}
}
}Get an API Key
npx zerodb-cli initOr sign up at ainative.studio.
Tools (10)
All 9 original server-memory tools plus semantic search:
Original Tools
New Tool
Semantic Search Example
The original searchnodes only finds exact text matches. searchnodes_semantic understands meaning:
search_nodes("ML frameworks") -> might find nothing
search_nodes_semantic("ML frameworks") -> finds "PyTorch", "TensorFlow", "JAX"Environment Variables
*If no credentials are provided, a free instance is automatically provisioned on first run.
Auto-Provisioning
On first run without credentials:
- A free ZeroDB instance is provisioned automatically
- Credentials are saved to .mcp.json and .env in your project
- A claim URL is printed so you can take ownership of the instance
- Everything works immediately — no signup required
How It Works
Instead of writing to a local memory.jsonl file, this server:
- Entities are stored as rows in a ZeroDB NoSQL table (kg_entities)
- Relations are stored in a separate table (kg_relations)
- Vector embeddings are automatically generated for each entity via ZeroMemory, enabling semantic search
- All data persists in the cloud and is accessible from any device with the same API key
Migration from server-memory
- Replace @modelcontextprotocol/server-memory with ainative-memory-mcp in your MCP config
- Add ZERODBAPIKEY to your env (or let it auto-provision)
- Re-create your entities (one-time migration — your old JSONL data stays on disk)
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Install directly
Runs npx -y ainative-memory-mcp on your machine. Read the scan report first; the gateway never runs local packages.
claude mcp add ainative-memory-mcp -- npx -y ainative-memory-mcp
Ainative Memory: common questions
- Is Ainative Memory MCP server safe?
- Yes, by our scan: it is graded A (89/100). Read the Ainative Memory safety report
- How do I install Ainative Memory?
- It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
- Does Ainative Memory need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Ainative Memory maintained?
- The last commit was 55 days ago (2026-08-01). The latest release is v1.0.1.
- What can I use instead of Ainative Memory?
- Servers from other publishers that do the same job: Octobrain MCP server, Marm MCP server and M3 Memory MCP server. Compare all Ainative Memory alternatives.
Alternatives to Ainative Memory
Same job from other publishers: the closest match first, then the best rated.
- OctobrainPersistent memory for AI assistants with semantic search and knowledge graph relationships.not reviewedGrowingA
- MarmUniversal MCP Server with advanced AI memory capabilities and semantic search.not reviewedEstablishedA
- M3 MemoryLocal-first memory — 100+ tools, 99.2% LongMemEval-S retrieval@10, hybrid search, GDPR, no cloud.not reviewedEstablishedA
- SocraticodeMCP server for enterprise local codebase indexing, semantic search, and code dependency graphs.not reviewedEstablishedB
DocsMintCloud or self-hosted knowledge for AI agents: hybrid search, reranking, GraphRAG, scoped MCP tools.not reviewedEstablishedA