Paste one prompt into Claude, or any MCP client, with LeadOcean connected and get a sized list of CTOs at companies whose website runs HubSpot. Connect https://api.leadocean.io/mcp first. Setup is on the MCP page.
The prompt
Find CTOs at US companies whose website runs HubSpot.
1. Call leadocean_count_leads with technologies HubSpot, title
Chief Technology Officer and CTO, jobLevel C-Team and country US.
2. Tell me the count and the filters you used.
3. Do not call leadocean_search_leads until I say go.What it resolves to
| Filter | Value |
|---|---|
| technologies | HubSpot |
| title | Chief Technology Officer, CTO |
| jobLevel | C-Team |
| country | US |
The technologies filter matches a technology detected on the company website. It is a free-text name, not a closed list, so no enum lookup is needed. jobLevel and country are exact strings: C-Team and US.
How many match
13,615 mailable people matched on 2 October 2026. Filters: technologies HubSpot, title Chief Technology Officer or CTO, jobLevel C-Team, country US.
Mailable means verified, catch_all_valid or catch_all, the count_leads default. The count is free. Technology data covers about 7.8M crawled sites, so this is a floor, not every HubSpot company. The largest industry is Software Development at 3,609, and 3,090 sit at companies with 11-50 employees. 2,160 carry the owner seniority, so add seniority c_suite if you want to skip founder-CTOs.
What you get back
Search rows carry the fields below. These are placeholder values, not real records.
| Title | Company size | Industry | Country |
|---|---|---|---|
| Chief Technology Officer | 11-50 | Software Development | US |
| CTO | 1001-5000 | IT Services and IT Consulting | US |
| Chief Technology Officer | 201-500 | Financial Services | US |
Variations
- Add "only companies with employeeRange 51-200 and 201-500" to target mid-size engineering orgs.
- Add "industry Software Development" and count again to see the SaaS slice.
- Swap the title line for "VP Engineering, jobLevel VP" to reach the layer under the CTO.
Records it spends
leadocean_count_leads is free. leadocean_search_leads costs 1 record per person returned, so a limit of 25 costs 25 records. Free gives you 1,000 records one-off with no card. Pro is $499 a month. See pricing.
Related prompts
More prompts live in the prompts hub.
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