hubspot_update_deal

Update a deal

SERVERHubSpot MCP Server SOURCEadeel0x01/hubspot-mcp-tools

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/adeel0x01-hubspot-mcp-tools/hubspot-update-deal.md

WHAT IT DOES

What hubspot_update_deal does on HubSpot MCP Server

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

RISK

Why hubspot_update_deal is rated Medium

This tool modifies deal records in HubSpot but does not delete or irreversibly destroy data, nor does it execute arbitrary code or move money. It falls squarely into the Write category as a reversible modification operation.

From the tool's definition The tool is named 'hubspot_update_deal' and described as 'Update a deal', which modifies existing deal data within HubSpot CRM. The verb 'update' is characteristic of Write operations that create or modify data reversibly.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs hubspot_update_deal safely

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

hubspot_update_deal Rate-limited

hubspot_update_deal 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_deal": {
      "limits": [
        {
          "counter": "hubspot_update_deal_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 HubSpot MCP Server, apply this rule, and every hubspot_update_deal call is checked against it from then on.

FAQ

Questions about hubspot_update_deal

What does the hubspot_update_deal tool do? +

Update a deal. It is categorised as a Write tool in the HubSpot MCP Server 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_deal? +

Register the HubSpot MCP Server MCP server in PolicyLayer and add a rule for hubspot_update_deal: 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 HubSpot MCP Server. Nothing to install.

What risk level is hubspot_update_deal? +

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

Can I rate-limit hubspot_update_deal? +

Yes. Add a rate_limit block to the hubspot_update_deal 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_deal completely? +

Set action: deny in the PolicyLayer policy for hubspot_update_deal. 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_deal? +

hubspot_update_deal is provided by the HubSpot MCP Server MCP server (adeel0x01/hubspot-mcp-tools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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