Bloomfilter runs on your own machine — the client starts it, so there is no endpoint to ping. 107 installs a week from npm. Last commit 27 Feb 2026.
Service that lets AI Agents search, register, and configure domains
Nothing serious here today
Today is the operative word: we check Bloomfilter every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
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 bloomfilter -e 'BLOOMFILTER_PRIVATE_KEY=<BLOOMFILTER_PRIVATE_KEY>' -- npx -y @bloomfilter/mcp-server{
"mcpServers": {
"bloomfilter": {
"command": "npx",
"args": [
"-y",
"@bloomfilter/mcp-server"
],
"env": {
"BLOOMFILTER_PRIVATE_KEY": "<BLOOMFILTER_PRIVATE_KEY>"
}
}
}
}[mcp_servers.bloomfilter]
command = "npx"
args = ["-y", "@bloomfilter/mcp-server"]
env = { BLOOMFILTER_PRIVATE_KEY = "<BLOOMFILTER_PRIVATE_KEY>" }{
"mcpServers": {
"bloomfilter": {
"command": "npx",
"args": [
"-y",
"@bloomfilter/mcp-server"
],
"env": {
"BLOOMFILTER_PRIVATE_KEY": "<BLOOMFILTER_PRIVATE_KEY>"
}
}
}
}{
"servers": {
"bloomfilter": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@bloomfilter/mcp-server"
],
"env": {
"BLOOMFILTER_PRIVATE_KEY": "<BLOOMFILTER_PRIVATE_KEY>"
}
}
}
}Put your own value in place of
<BLOOMFILTER_PRIVATE_KEY> (Hex-encoded private key for a wallet funded with USDC on Base to pay for domains and DNS operations).
The author’s registry entry marks it as required.
Optional settings from the registry entry, left out of the block above:
BLOOMFILTER_API_URL (Bloomfilter API base URL (defaults to https://api.bloomfilter.xyz)), BLOOMFILTER_NETWORK (CAIP-2 network identifier (defaults to eip155:8453 / Base mainnet)).
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Bloomfilter — questions
Answers built from our own checks of this server.