Validate Email
Validate a single email. Returns status, deliverability score, spam risk, SMTP result, and send recommendation.
BounceProtect
Clean your email lists before you send
Model Context Protocol
Validate emails directly inside your AI assistant
BounceProtect connects to Claude.ai, Claude Desktop, Cursor, and Claude Code via the Model Context Protocol. Validate emails, run SMTP verification, and get deep domain intelligence — all without leaving your AI assistant.
Validate, verify, and analyse — all inside your AI assistant
Validate these emails and run deep analysis on the domains: sarah@techcorp.com, hello@tempmail.io, ceo@bigcompany.com
BounceProtect
✅ sarah@techcorp.com — Valid · Send · Score 91/100 · SMTP Passed
❌ hello@tempmail.io — Invalid · Do not send · Disposable provider
⚠️ ceo@bigcompany.com — Risky · Caution · Catch-all domain · SMTP Passed
Deep analysis complete — 2 domains checked:
🏢 techcorp.com — Score 84/100 · Website ✓ · SSL ✓ · TechCorp Inc · SaaS · 120 employees
🏢 bigcompany.com — Score 71/100 · Website ✓ · SSL ✓ · Parked: No
1 of 3 removed (disposable). 2 safe to send.
Validate Emails (Bulk)
Validate up to 100 emails at once. Returns results for each with a summary breakdown.
Check Credits
Check your remaining credit balance without leaving your AI assistant.
Get SMTP Status
Poll for SMTP verification results after a bulk validation. Returns updated results including deliverability verdicts once background SMTP checks complete.
Trigger Deep Analysis
Start domain-level intelligence on an upload — website, SSL, parked domain detection, business legitimacy score, and matched organisation data from 22M+ company records.
Get Deep Analysis Status
Check deep analysis progress and retrieve full domain results including company name, LinkedIn, industry, employee size, and country when complete.
Connect directly in Claude.ai — no config file needed.
1. Go to claude.ai and click the + button in the chat input
2. Select Connectors → Add connector
3. Search for "BounceProtect" and click Connect
4. Enter your API key from bounceprotect.com/dashboard/api-keys
5. Toggle BounceProtect on — you're ready to goClaude.ai users: Use the Connectors tab above — no config file needed. Claude Desktop / Cursor / Claude Code users: Use the config file approach. Tools appear in the 🔨 tools panel once connected.
Full setup guide Start in 5 minutes
Free account includes 100 credits. No credit card required.