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Logseq MCP Server

Connects AI assistants to Logseq knowledge graphs to read, write, and search pages, blocks, and journals via the Model Context Protocol. It features 17 tools for full graph management, including CRUD operations, batch block insertion, and full-text search.

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// key findings
⚠️
Known vulnerabilities in dependencies: 4 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
19 tools verified — handlers match their declared behaviour
8 read-only tools verified — handlers contain no write/delete/exec
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: LOGSEQ_API_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies4 high1 medium18 low

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

high@modelcontextprotocol/sdk@1.12.1GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.12.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.1GHSA-w48q-cv73-mx4w

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

highhono@4.11.8GHSA-q5qw-h33p-qvwr

Hono vulnerable to arbitrary file access via serveStatic vulnerability

mediumhono@4.11.8GHSA-xf4j-xp2r-rqqx

Hono: Path traversal in toSSG() allows writing files outside the output directory

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// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
🔐 secretLOGSEQ_API_TOKEN"": "your_token_here"
configLOGSEQ_API_URLNo http://127.0.0.1:12315 Logseq HTTP API URL
configPORTNo 3000 HTTP port (when TRANSPORT=http)
configTRANSPORTNo stdio Transport mode: stdio or http
// 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 3 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/hsiang119-logseq-mcp-server-16ftx1)](https://m8ven.ai/mcp/hsiang119-logseq-mcp-server-16ftx1)
commit: 30c6f01e071f8e3564baea974d6bde1b120c68f6
code hash: 62164705e5464918e048ec97ded18292bfca98f4fa30915ece78e3b7fb0cabbc
verified: 6/12/2026, 11:26:33 AM
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