crm_search_companies
Search companies with company-specific filters
This record as markdown: /tools/blacksand-software-hubspot-mcp/crm-search-companies.md
What crm_search_companies does on HubSpot MCP
AI agents call crm_search_companies to retrieve information from HubSpot MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why crm_search_companies is rated Low
This is a search/query function that retrieves company data from HubSpot CRM based on filter criteria. Search operations are inherently read-only with no side effects, no irreversible actions, and no code execution. The blast radius of misuse is minimal—an agent could retrieve company information it shouldn't see, but cannot modify, delete, or execute operations. This is a standard Read category tool.
From the tool's definition Tool name 'crm_search_companies' with description 'Search companies with company-specific filters' indicates a query operation that retrieves data without modification or side effects.
Attacks that exploit this kind of access
The rule that runs crm_search_companies safely
PolicyLayer is an MCP gateway: it sits between your AI agents and HubSpot MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For crm_search_companies, this is the rule to start with:
crm_search_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 HubSpot MCP, apply this rule, and every crm_search_companies call is checked against it from then on.
Questions about crm_search_companies
Search companies with company-specific filters. It is categorised as a Read tool in the HubSpot MCP MCP Server, which means it retrieves data without modifying state.
Register the HubSpot MCP server in PolicyLayer and add a rule for crm_search_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 HubSpot MCP. Nothing to install.
crm_search_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 crm_search_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 crm_search_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.
crm_search_companies is provided by the HubSpot MCP server (blacksand-software/hubspot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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