SecondBrain MCP

Item: SecondBrain MCP
Rating: 52
Author: M8ven

Provides a read-only semantic layer over an Obsidian vault, enabling queries about projects, decisions, tasks, and related notes.

→ vladilenm/second-brain-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

🔐

You'll be asked for 1 credential: MCP_AUTH_TOKEN

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

// known CVEs in dependencies3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.12.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

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

🔐 secretMCP_AUTH_TOKEN— your-secret-token \

configMCP_PORT— 3100 HTTP server port

configMCP_TRANSPORT— stdio Transport mode: stdio or http

configOBSIDIAN_VAULT_PATH— /path/to/vault node dist/index.js

// 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 8 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/vladilenm-second-brain-mcp-1bpttt)](https://m8ven.ai/mcp/vladilenm-second-brain-mcp-1bpttt)

commit: 72def2c21dcd2e2c04626cdc7e091426adc05e9b

code hash: 2ca5881d4b6d3d88f72ca10c1664a24e98c58676c50e54a5bc1bc7ffee68ab1f

verified: 6/13/2026, 9:38:14 AM

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