notes_list
List all notes with optional filtering
This record as markdown: /tools/blacksand-software-hubspot-mcp/notes-list.md
What notes_list does on HubSpot MCP
AI agents call notes_list 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 notes_list is rated Low
This tool retrieves and queries note records from HubSpot CRM with optional filters. It has no side effects, does not modify data, and does not trigger external operations. It is a standard Read operation consistent with list/query tools in CRM systems.
From the tool's definition Tool name 'notes_list' and description 'List all notes with optional filtering' indicate data retrieval without modification.
Attacks that exploit this kind of access
The rule that runs notes_list 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 notes_list, this is the rule to start with:
notes_list 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 notes_list call is checked against it from then on.
Questions about notes_list
List all notes with optional filtering. 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 notes_list: 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.
notes_list 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 notes_list 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 notes_list. 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.
notes_list 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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