What else does MadMantra use?

Cloudflare, Vercel, Neon, Render and Resend, among 16 vendors we hold evidence for.

Which other companies use Anthropic?

15Five, 1K4.AI, 1mind AI, 247 Profits and 360DT, among 2,926 companies with public evidence.

Yes. We hold strong evidence for this. Evidence: Subprocessor list, Privacy policy.

Yes

We hold strong evidence for this.

The company names it in its own subprocessor list, a statement that this vendor handles its customers' data.
The company's privacy policy names it as a processor, controller or partner.

Subprocessor listProcesses data for the company12 Nov 2026Source

Privacy policyProcesses data for the company12 Nov 2026Source

MadMantra is an AI coworker that builds websites, writes emails and ads, and takes payments for a business. It serves solo founders and small teams.

Summarized from its homepage on 12 Nov 2026.

MadMantra has evidence for 16 vendors. The strongest:

See MadMantra's full stack with a source for every vendor, and ask the same question about any company from the API, Claude or your browser.