# crm_create_lead_property

Create a new lead property

Agent View of the PolicyLayer registry record for `crm_create_lead_property`. HTML page: https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-create-lead-property

## Facts

- Tool: `crm_create_lead_property`
- Server: HubSpot MCP (`blacksand-software/hubspot-mcp`) — https://policylayer.com/tools/blacksand-software-hubspot-mcp.md
- Homepage: https://github.com/BlackSand-Software/hubspot-mcp
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "crm_create_lead_property",
    "arguments": {}
  }
}
```

## Why crm_create_lead_property is rated Medium

This tool creates new metadata/schema elements (lead properties) in the CRM system, which is a reversible write operation. It does not execute arbitrary code, delete data, or move money. The blast radius is medium because misconfigured properties could affect data validation or lead management workflows, but the operation is reversible (properties can be deleted or modified).

From the tool's own definition: "Tool name 'crm_create_lead_property' and description 'Create a new lead property' indicate data creation. This modifies the CRM schema by adding a new property definition."

## Use case

AI agents use crm_create_lead_property to create or update resources in HubSpot MCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your HubSpot MCP environment.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches HubSpot MCP:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "crm_create_lead_property": {
      "limits": [
        {
          "counter": "crm_create_lead_property_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on HubSpot MCP (110)

- `calls_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/calls-archive.md
- `calls_batch_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/calls-batch-archive.md
- `crm_batch_delete_associations` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-batch-delete-associations.md
- `crm_batch_delete_objects` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-batch-delete-objects.md
- `crm_delete_association` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-delete-association.md
- `crm_delete_object` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-delete-object.md
- `emails_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/emails-archive.md
- `emails_batch_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/emails-batch-archive.md
- `engagement_details_delete` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/engagement-details-delete.md
- `meetings_batch_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/meetings-batch-archive.md
- `meetings_delete` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/meetings-delete.md
- `notes_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/notes-archive.md
- `notes_batch_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/notes-batch-archive.md
- `products_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/products-archive.md
- `products_batch_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/products-batch-archive.md
- `tasks_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/tasks-archive.md
- `tasks_batch_archive` — Destructive — https://policylayer.com/tools/blacksand-software-hubspot-mcp/tasks-batch-archive.md
- `calls_batch_read` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/calls-batch-read.md
- `calls_get` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/calls-get.md
- `calls_list` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/calls-list.md
- `calls_search` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/calls-search.md
- `communications_get_preferences` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/communications-get-preferences.md
- `communications_get_subscription_definitions` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/communications-get-subscription-definitions.md
- `communications_get_subscription_status` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/communications-get-subscription-status.md
- `crm_get_associations` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-get-associations.md
- `crm_get_company` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-get-company.md
- `crm_get_company_properties` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-get-company-properties.md
- `crm_get_contact` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-get-contact.md
- `crm_get_contact_properties` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-get-contact-properties.md
- `crm_get_lead` — Read — https://policylayer.com/tools/blacksand-software-hubspot-mcp/crm-get-lead.md
- …and 80 more: https://policylayer.com/tools/blacksand-software-hubspot-mcp.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=blacksand-software-hubspot-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/blacksand-software-hubspot-mcp