Use Bonafido: Business Domain Verification API MCP with Claude Desktop and claude.ai
Bonafido: is a domain a real business site? Verdict, trust score, risk flags.
Remote MCP server (Streamable HTTP), nothing to install. Free: 20 free calls/day, no key · Paid: Check $19/month; Team $49/month; Business $99/month; Check yearly $190/year; Team yearly $490/year; Business yearly $990/year
Set it up
- Open Customize › Connectors (on Team and Enterprise, an owner adds it under Organization settings › Connectors).
- Click + Add, then Add custom connector.
- Name it Bonafido: Business Domain Verification API and paste the server URL: https://bonafido.cybermaxtools.com/mcp?via=use-with-claude-desktop
- Under Authentication choose No sign in.
- For a paid key, add a request header named x-api-key with your key; leave it out for the free tier.
- Click Add, then enable the connector for your chat.
Claude stores fixed request headers encrypted. On Team and Enterprise plans everyone in the workspace shares that credential.
- no file: remote servers are added as custom connectors in Claude's settings
Tools you get
Endpoint checked 2026-10-09: https://bonafido.cybermaxtools.com/mcp answered an MCP initialize (protocol 2025-06-18) and tools/list with 1 tool, all marked read-only. No key was used and no tool was called.
| Tool | What it does | Required inputs |
|---|---|---|
verify_domain | Verify a business domain, URL or email domain: does it resolve, how old is it (RDAP), mail setup (MX/SPF/DMARC), live homepage vs parked/for-sale page, redirects, contact details, company-name match, Wikidata official website and look-alike detection. Returns verdict (verified/likely_legit/unverified/suspicious/not_found), trustScore 0-100, riskFlags and evidence. Pass company_name to check the domain belongs to that company. Up to 5 domains via "domains". | none |
Test the endpoint from a terminal
This lists the tools without a key and without calling any of them:
curl -s https://bonafido.cybermaxtools.com/mcp \
-H 'content-type: application/json' \
-H 'accept: application/json, text/event-stream' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'If it does not work
- Custom connectors connect from Anthropic's cloud, not your computer; our servers are public, so no allowlisting is needed.
- Free plans can add one custom connector.
- To change the URL or header, remove the connector and add it again.
- The free tier has a daily limit (see the pricing line above); a paid key raises it.
Bonafido: Business Domain Verification API in other clients
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