This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/hubspot-list-companies.md
What hubspot_list_companies does on UnClick
AI agents call hubspot_list_companies to retrieve information from UnClick without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
after | string | — | Pagination cursor from a previous response |
limit | number | — | Companies to return (max 100, default 25) |
properties | string | — | Comma-separated properties to return |
access_token | string | Yes | HubSpot Private App access token |
Parameters from the server's own tool schema.
Why hubspot_list_companies is rated Low
This tool retrieves or queries data from HubSpot's CRM system. The verb 'list' and the action of displaying companies indicates a read-only operation with no side effects. While the data may be business-sensitive, the tool itself performs no creation, modification, deletion, or execution of code/commands. Severity is low because listing company records is a standard, non-destructive data retrieval operation.
From the tool's definition Tool name contains 'list' and description states 'List HubSpot CRM companies' — a query operation that retrieves company data without modification.
Risk signalsHandles credentials or secrets (access_token)
Attacks that exploit this kind of access
The rule that runs hubspot_list_companies safely
PolicyLayer is an MCP gateway: it sits between your AI agents and UnClick, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For hubspot_list_companies, this is the rule to start with:
hubspot_list_companies is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every hubspot_list_companies call is checked against it from then on.
Questions about hubspot_list_companies
List HubSpot CRM companies. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
hubspot_list_companies accepts 4 parameters: after, limit, properties, access_token. Required: access_token. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for hubspot_list_companies: 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 UnClick. Nothing to install.
hubspot_list_companies is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the hubspot_list_companies 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.
Set action: deny in the PolicyLayer policy for hubspot_list_companies. 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.
hubspot_list_companies is provided by the UnClick MCP server (@unclick/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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