nubiia-dev/mcp-hubspot

A comprehensive MCP server providing Claude with enterprise-grade access to HubSpot CRM, including contacts, deals, quotes, workflows, and automation through 37 tools.

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// key findings

🚨

Known vulnerabilities in dependencies: 1 critical, 2 high

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

🔐

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

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

// known CVEs in dependencies1 critical2 high

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

criticalvitest@4.0.15GHSA-5xrq-8626-4rwp

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

high@modelcontextprotocol/sdk@1.0.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.0.0GHSA-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.

🔐 secretHUBSPOT_ACCESS_TOKEN— "": "pat-na1-xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

configHUBSPOT_APP_ID— Yes (for actions) The HubSpot App ID that owns the action definitions

🔐 secretHUBSPOT_DEVELOPER_API_KEY— Actions (dev key) 16 Custom Workflow Action definitions — requires ²

configHUBSPOT_MAX_CONCURRENT

configHUBSPOT_MAX_RESERVOIR

configHUBSPOT_TOOLSETS— Toolset Filtering — enable only the domains you need via

configLOG_LEVEL— No info Logging level: debug, info, warn, error

// 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 2 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/nubiia-dev-mcp-hubspot-vfkx4f)](https://m8ven.ai/mcp/nubiia-dev-mcp-hubspot-vfkx4f)

commit: dc6605d7a8d0fd779eaf0aa0b1d1b38f475a86e6

code hash: fff71785bad62448c6fbc41addc52200b4783635cdfd1e9c774a48020b38d813

verified: 6/29/2026, 11:21:53 AM

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