Isitdisposable MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 37 installs a week from npm. Last commit 5 Aug 2026.
An MCP server that lets AI agents check whether an email address or domain is disposable.
Nothing serious here today
Today is the operative word: we check Isitdisposable MCP 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 isitdisposable-mcp -e 'ISITDISPOSABLE_API_KEY=<ISITDISPOSABLE_API_KEY>' -- npx -y isitdisposable-mcp{
"mcpServers": {
"isitdisposable-mcp": {
"command": "npx",
"args": [
"-y",
"isitdisposable-mcp"
],
"env": {
"ISITDISPOSABLE_API_KEY": "<ISITDISPOSABLE_API_KEY>"
}
}
}
}[mcp_servers.isitdisposable-mcp]
command = "npx"
args = ["-y", "isitdisposable-mcp"]
env = { ISITDISPOSABLE_API_KEY = "<ISITDISPOSABLE_API_KEY>" }{
"mcpServers": {
"isitdisposable-mcp": {
"command": "npx",
"args": [
"-y",
"isitdisposable-mcp"
],
"env": {
"ISITDISPOSABLE_API_KEY": "<ISITDISPOSABLE_API_KEY>"
}
}
}
}{
"servers": {
"isitdisposable-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"isitdisposable-mcp"
],
"env": {
"ISITDISPOSABLE_API_KEY": "<ISITDISPOSABLE_API_KEY>"
}
}
}
}Put your own value in place of
<ISITDISPOSABLE_API_KEY> (The secret API key for isitdisposable.com, used to authenticate every check. Get a free key at https://isitdisposable.com).
The author’s registry entry marks it as required.
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Isitdisposable MCP — questions
Answers built from our own checks of this server.