Paste one prompt into Claude with LeadOcean connected and size a list of buyers by the tools their website runs, before you spend a record. Connect the server at https://api.leadocean.io/mcp first. Setup is on the MCP page.
The prompt
Find marketing directors at US companies that run marketing automation software.
1. Call leadocean_list_enum_values for tech_category and confirm the
Marketing automation value.
2. Call leadocean_count_leads with technologyCategories Marketing automation,
jobFunction Advertising & Marketing, jobLevel Director,
employeeRange 51-200 and country US.
3. Tell me the count and the exact filters you used.
4. Do not call leadocean_search_leads until I say go.What it resolves to
| Filter | Value |
|---|---|
| technologyCategories | Marketing automation |
| jobFunction | Advertising & Marketing |
| jobLevel | Director |
| employeeRange | 51-200 |
| country | US |
Technographic filters match what a company's own website runs. Ask for a category such as Marketing automation, or name a tool with the technologies filter. Pair it with firmographics, as in the combined guide.
How many match
1,887 mailable people matched on 1 October 2026. Filters: technologyCategories Marketing automation, jobFunction Advertising & Marketing, jobLevel Director, employeeRange 51-200, country US.
Mailable means verified, catch_all_valid or catch_all, the count_leads default. The count is free. Tech data comes from about 7.8M crawled company sites, roughly an eighth of the 63M companies, so the real market is wider than this list. See how providers compare in best technographic data providers.
What you get back
Search rows carry the fields below. These are placeholder values, not real records.
| Title | Company size | Industry | Country |
|---|---|---|---|
| Director of Marketing | 51-200 | Computer Software | US |
| Director, Demand Generation | 51-200 | Marketing Services | US |
| Marketing Director | 51-200 | Internet | US |
Variations
- Swap the category line for "technologyCategories CRM" to find companies that run a CRM.
- Change the title line to "jobFunction Sales & Business Development, jobLevel VP" to reach sales leaders.
- Add "technologyCategories Ecommerce" and ask Claude to count again before searching.
Records it spends
The enum lookup and the count are 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. The same filters work for recruiting lists in Claude for recruiting.
Related prompts
More prompts live in the prompts hub.
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