Precleared Contact Check
Cold email compliance check across 8 countries: per-address verdict, rule cited, signed receipt.
Connect it
Settings → Connectors → Add custom connector
URL: https://precleared.dev/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://precleared.dev/mcp{
"mcpServers": {
"contact-check": {
"url": "https://precleared.dev/mcp",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}claude mcp add --transport http contact-check https://precleared.dev/mcp --header "Authorization: <value>"{
"servers": {
"contact-check": {
"type": "http",
"url": "https://precleared.dev/mcp",
"headers": {
"Authorization": "<YOUR_AUTHORIZATION>"
}
}
}
}2 tools, verified live
contact_checkread-onlyIs it legal to send a cold or marketing email to this person? Check before the first email to any new lead, prospect or contact who is not already a customer, one call per address: a compliance check for B2B sales outreach, prospecting and lead lists. Whether it is allowed, or needs consent first, turns on facts you cannot see in the address, such as whether a UK recipient is a limited company or
verify_receiptread-onlyFetch a Precleared receipt by its id (cc_rcpt_...) to show what was checked, when, and the verdict, with the hashes, Ed25519 signature and public key needed to verify it. Use it when a person or an audit asks for proof of a check.
Change history
Alternatives in Email & Messaging
Compare →
Trengo MCP by usefulapiB
Work tickets and messages, look up contacts and teams, pull reports, and reply, assign or close.
Together AI MCP by usefulapiB
Run Together AI chat, embeddings and images; manage fine-tunes, batches and endpoints.
Squadcast MCP by usefulapiB
Read incidents, services, teams, on-call schedules; acknowledge, resolve and note incidents.
Spruce Health MCP by usefulapiB
Read Spruce Health contacts, conversations, messages, phone lines and team members (read-only).
Smoobu MCP by usefulapiB
Check vacation-rental reservations, rates, availability and guest messages, and update bookings.
SimpleTexting MCP by usefulapiB
Send SMS/MMS, manage contacts, and read campaigns, messages and media on SimpleTexting.