hubspot.dedupe.apply
AI agents call hubspot.dedupe.apply to permanently remove resources in G Gremlin Hubspot — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The description is empty, lowering confidence. However, based on the tool name pattern ('apply' following 'plan') and the server description mentioning 'duplicate detection and merging', this tool almost certainly applies a deduplification plan — merging records in HubSpot CRM. Record merges in HubSpot are irreversible (the merged record is deleted and cannot be restored), making this Destructive.
From the tool's definition Tool name: hubspot.dedupe.apply — paired with sibling tool hubspot.dedupe.plan, implying this tool executes a deduplication plan by merging or deleting duplicate CRM records, which is typically irreversible.
Attacks that exploit this kind of access
hubspot.dedupe.apply. It is categorised as a Destructive tool in the G Gremlin Hubspot MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the G Gremlin Hubspot MCP server in PolicyLayer and add a rule for hubspot.dedupe.apply: 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.dedupe.apply is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the hubspot.dedupe.apply 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.dedupe.apply. 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.dedupe.apply 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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