Open Brain MCP

Item: Open Brain MCP
Rating: 71
Author: M8ven

A self-hosted second brain MCP server that enables capturing thoughts with deduplication and semantic search using local embeddings and PostgreSQL with pgvector, all running on your own hardware.

→ lazo99/open-brain-mcp · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: OPEN_BRAIN_REMOTE_SECRET

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configDATABASE_URL— postgresql://openbrain:@127.0.0.1:5432/openbrain

configOPEN_BRAIN_EMBED_MODEL— BAAI/bge-small-en-v1.5

🔐 secretOPEN_BRAIN_REMOTE_SECRET— long-random-string

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/lazo99-open-brain-mcp-z4vlc3)](https://m8ven.ai/mcp/lazo99-open-brain-mcp-z4vlc3)

commit: c24639e491cf8dbdf93c3169f1891d408b0bc597

code hash: 9259f21ed600e0c8f5389742b545b71bef63e557afdcb0468cd2305623230c40

verified: 7/21/2026, 8:40:09 AM

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