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Notion MCP

A secure, open-source Model Context Protocol server for connecting AI agents and apps to Notion. It enables search, read, create, and append operations on Notion pages with audit logging and risk-based security.

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// key findings
🚨
Known vulnerabilities in dependencies: 1 critical, 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
You'll be asked for 4 credentials: MCP_GATEWAY_API_KEY, NOTION_TOKEN, OPENAI_API_KEY, SUPABASE_SERVICE_ROLE_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies1 critical3 high

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

criticalvitest@3.1.4GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

high@modelcontextprotocol/sdk@1.18.2GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.18.2GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.18.2GHSA-w48q-cv73-mx4w

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

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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.
configAUDIT_LOG_FILE.audit/tool-calls.jsonl
🔐 secretMCP_GATEWAY_API_KEY
configNOTION_ROOT_PAGE_ID4. Copy the page ID into .
🔐 secretNOTION_TOKEN1. Copy the integration secret into .
🔐 secretOPENAI_API_KEY
🔐 secretSUPABASE_SERVICE_ROLE_KEY
configSUPABASE_URL
// 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 7 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/limelight-management-group-notion-mcp-1wxa5x)](https://m8ven.ai/mcp/limelight-management-group-notion-mcp-1wxa5x)
commit: 903bb2d501d2da73d086359f955f229ebfeb4c4b
code hash: e142c43a63099f112a2ef5e44ebaae7a704ac264d619023d21acd033a0fec3b6
verified: 6/16/2026, 1:29:55 PM
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