hubspot-mcp-server

Item: hubspot-mcp-server
Rating: 46
Author: M8ven

Enables interaction with HubSpot CRM through MCP, providing tools to manage contacts, companies, deals, and search/associations via natural language.

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// key findings

⚠️

Known vulnerabilities in dependencies: 18 high

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

✅

18 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.

🔐

You'll be asked for 2 credentials: HUBSPOT_ACCESS_TOKEN, MCP_API_KEY

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

// known CVEs in dependencies18 high12 low

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

high@modelcontextprotocol/sdk@1.12.0GHSA-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

highaxios@1.7.2GHSA-35jp-ww65-95wh

axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`

highaxios@1.7.2GHSA-3g43-6gmg-66jw

axios Vulnerable to Credential Theft and Response Hijacking via Prototype Pollution Gadget in Config Merge

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.

🔐 secretHUBSPOT_ACCESS_TOKEN— "": "pat-your-token-here"

🔐 secretMCP_API_KEY— A strong random secret you generate (e.g. openssl rand -hex 32)

configPORT— No HTTP port, default 3000 (Render sets this automatically)

// 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/mantis-productions-hubspot-mcp-server-1aacx9)](https://m8ven.ai/mcp/mantis-productions-hubspot-mcp-server-1aacx9)

commit: 65001c36ff5341ca695ae6572099255a4e5d73d0

code hash: 67109db8b05cab86455af964014f04623cc36047ad116bea10ab5d630c6edde1

verified: 6/19/2026, 10:50:38 AM

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