Compare a Basin alternative that also speaks MCP
Basin and FormThunder are both form backends with MCP access for AI assistants. Basin lists MCP from its $12.50 Starter plan, billed yearly, with 250 submissions a month. FormThunder includes MCP on its free plan with the same 250, and its $12 Pro plan gives 10,000. Basin's $81.25 Agency plan lists 25,000 submissions but no client accounts. Checked November 2026.
FormThunder and Basin side by side
Checked November 2026, from usebasin.com/pricing. Check their page for current numbers. "Not listed" means we couldn't find it on that page.
| FormThunder | Basin | |
|---|---|---|
| Free plan | 250 submissions a month | 50 submissions a month. MCP not listed on Free |
| Paid plans (submissions a month) | Pro $12/mo: 10,000. Agency $39/mo: 20,000 | Billed yearly: Starter $12.50/mo: 250. Growth $24.17/mo: 1K. Pro $30.62/mo: 5K. Agency $81.25/mo: 25K |
| MCP server | Yes, on every plan | Listed from Starter: "Connect Claude, Cursor and more" |
| CLI | Yes, on every plan | Not listed |
| Client accounts and billing | Unlimited free client accounts on Agency, billed through your Stripe | Collaborators on Growth and above. Client accounts not listed |
Which one fits you
Basin may suit you better if
- You need 25,000 submissions on one plan, which is above FormThunder's 20,000 on Agency.
- You've already connected Basin's MCP to your assistant and it does what you need.
FormThunder may suit you better if
- You want MCP and a CLI on a free plan, so your agent can set up a form before you've paid anything.
- You want the brand kit: your AI reads your site and matches the emails.
- You need client accounts and billing through your own Stripe.
Moving from Basin
- Create a form in FormThunder, or ask your agent to run
create_form. - Change the form's
actiontohttps://formthunder.com/submitand add a hiddenaccess_keyfield. - Run
test_form, thencheck_form_on_siteon the live page.
Questions
Does Basin have an MCP server?
Yes. Its pricing page lists "AI assistant access (MCP)" from the Starter plan up.
What's the difference on an agency plan?
Basin's Agency plan lists 25K submissions and collaborators at $81.25 a month billed yearly. FormThunder's lists 20,000 on your own forms at $39, plus free client accounts.
Try it on one form
The free plan covers 250 submissions a month, with MCP and the CLI included.