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20
MCP http

Qualisend Email Verification

hello-ovtj/qualisend

Qualisend verifies email addresses and cleans lists in real time to protect deliverability and sender reputation. Ask an agent to check a single address, a batch, or a whole list. Qualisend runs the full pipeline (syntax, domain/MX, disposable, role, catch-all, and a live SMTP mailbox probe) and returns a deliverable / risky / undeliverable / unknown verdict with a 0-100 confidence score. Tools (12) - `verify_email` - verify one address - `verify_emails` - verify a ba - `verify_list` - verify a whol - `get_credit_balance`, `get_ves and look up past results - `check_domain`, `generate_dnseader`, `check_disposable`,`check_typo`, `lookup_smtp_code` - deliverability tools (Pro plan) - `check_blacklist` - blacklist / DNSBL checks (Blacklist Monitoring add-on) Auth: OAuth 2.1 (connect wi no key copying) or an API key.New accounts get 100 free credits that never expire. Website: https://www.qualisend.com Docs: https://www.qualisend.com

Watch this dependency Share evidence report
Uptime
0.0%
5 direct probes · 30d
Response
229ms
last probe
Tools
—
not inspected yet
Resources
0
readable
Prompts
0
available
Primary URL
https://www.qualisend.com/mcp
Score: 20/100
Our probe could not complete the MCP handshake.
fail Answers the MCP handshake 10/50
initialize returned HTTP 405: init HTTP 405.
How to earn +40 points
Return a valid initialize result
POST a JSON-RPC server/discover to the primary URL yourself (2026-07-28: stateless, with _meta and the Mcp-Method header); it must answer 200 with the supported versions, capabilities and serverInfo. Servers on earlier revisions answer initialize with protocolVersion, capabilities and serverInfo.
Docs →
n/a Lists tools, resources or prompts 0/30
Not scored: a catalogue only counts once the handshake succeeds.
n/a 3 or more catalogue items 0/10
Not scored: a catalogue only counts once the handshake succeeds.
pass Describes itself 10/10
947 characters; more than 30 earns these points.

How to use

Claude Desktop or claude.ai: add a custom connector (Customize → Connectors; on Team and Enterprise plans an owner adds it under Organization settings → Connectors) with this server URL: https://www.qualisend.com/mcp

Cursor or Cline: add to your MCP config:

{
  "mcpServers": {
    "qualisend_email_verification": {
      "url": "https://www.qualisend.com/mcp",
      "transport": "http"
    }
  }
}