Contact Verify (verify-x402) runs on your own machine — the client starts it, so there is no endpoint to ping. 79 installs a week from npm.
Contact Verify (verify-x402). Basic $0.002, domain $0.02, sender $0.025.
Today is the operative word: we check Contact Verify (verify-x402) every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add contact-verify -e 'EVM_PRIVATE_KEY=<EVM_PRIVATE_KEY>' -- npx -y contact-verify-mcp
{
"mcpServers": {
"contact-verify": {
"command": "npx",
"args": [
"-y",
"contact-verify-mcp"
],
"env": {
"EVM_PRIVATE_KEY": "<EVM_PRIVATE_KEY>"
}
}
}
}
[mcp_servers.contact-verify]
command = "npx"
args = ["-y", "contact-verify-mcp"]
env = { EVM_PRIVATE_KEY = "<EVM_PRIVATE_KEY>" }
{
"mcpServers": {
"contact-verify": {
"command": "npx",
"args": [
"-y",
"contact-verify-mcp"
],
"env": {
"EVM_PRIVATE_KEY": "<EVM_PRIVATE_KEY>"
}
}
}
}
{
"servers": {
"contact-verify": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"contact-verify-mcp"
],
"env": {
"EVM_PRIVATE_KEY": "<EVM_PRIVATE_KEY>"
}
}
}
}
Put your own value in place of
<EVM_PRIVATE_KEY> (Base mainnet wallet private key. The server spends USDC from this wallet).
The author’s registry entry marks it as required.
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Send transactional email, verify domains, build contact segments, and draft marketing campaigns.
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Company name, domain or LEI to its GLEIF legal entity, $0.05 via x402 on Base. Spend caps.
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Answers built from our own checks of this server.