hubspot_update_contact

Update an existing HubSpot contact.

SERVERIntegrations MCP SOURCEshriram-vasudevan/integrations-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/shriram-vasudevan-integrations-mcp/hubspot-update-contact.md

WHAT IT DOES

What hubspot_update_contact does on Integrations MCP

AI agents use hubspot_update_contact to create or update resources in Integrations MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Integrations MCP environment.

RISK

Why hubspot_update_contact is rated Medium

This tool modifies data (a HubSpot contact record) but does not delete it irreversibly or move financial obligations. Update operations are reversible through subsequent corrections, placing it in the Write category. Severity is medium because unauthorized contact updates could affect business operations and customer data integrity, but the impact is typically limited to a single record and reversible.

From the tool's definition Tool name is 'hubspot_update_contact' and description states 'Update an existing HubSpot contact.' The verb 'update' indicates modification of existing data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hubspot_update_contact safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Integrations MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hubspot_update_contact, this is the rule to start with:

hubspot_update_contact Rate-limited

hubspot_update_contact stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "hubspot_update_contact": {
      "limits": [
        {
          "counter": "hubspot_update_contact_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Integrations MCP, apply this rule, and every hubspot_update_contact call is checked against it from then on.

FAQ

Questions about hubspot_update_contact

What does the hubspot_update_contact tool do? +

Update an existing HubSpot contact. It is categorised as a Write tool in the Integrations MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on hubspot_update_contact? +

Register the Integrations MCP server in PolicyLayer and add a rule for hubspot_update_contact: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Integrations MCP. Nothing to install.

What risk level is hubspot_update_contact? +

hubspot_update_contact is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit hubspot_update_contact? +

Yes. Add a rate_limit block to the hubspot_update_contact rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block hubspot_update_contact completely? +

Set action: deny in the PolicyLayer policy for hubspot_update_contact. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides hubspot_update_contact? +

hubspot_update_contact is provided by the Integrations MCP server (shriram-vasudevan/integrations-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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