[READ] [FREE] Check HubSpot authentication and show portal identity.
AI agents call hubspot.auth.whoami to retrieve information from G Gremlin Hubspot without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs authentication verification and identity lookup, which are informational queries with no side effects, data modification, or external operations. It falls squarely within the Read category. Severity is low because exposure of this tool allows only discovery of already-authenticated portal identity information, posing minimal direct risk.
From the tool's definition Tool name is 'hubspot.auth.whoami' and description explicitly states '[READ] [FREE] Check HubSpot authentication and show portal identity.' The '[READ]' tag and 'check' verb indicate a read-only query operation that retrieves authentication status and…
Attacks that exploit this kind of access
[READ] [FREE] Check HubSpot authentication and show portal identity. It is categorised as a Read tool in the G Gremlin Hubspot MCP Server, which means it retrieves data without modifying state.
Register the G Gremlin Hubspot MCP server in PolicyLayer and add a rule for hubspot.auth.whoami: 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 G Gremlin Hubspot. Nothing to install.
hubspot.auth.whoami 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.auth.whoami 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.auth.whoami. 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.auth.whoami is provided by the G Gremlin Hubspot MCP server (mikeheilmann1024/g-gremlin-hubspot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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