Email inbox for AI agents, owned by a Nostr key. No signup or API key. Receive codes, read, send.
Connect Runs on your machine
claude mcp add npubmail -e NPUBMAIL_NAME=<NPUBMAIL_NAME> -- https://github.com/obvioussummer46/npubmail/releases/download/v0.2.1/npubmail-mcp-0.2.1.mcpb
{
"mcpServers": {
"npubmail": {
"command": "https://github.com/obvioussummer46/npubmail/releases/download/v0.2.1/npubmail-mcp-0.2.1.mcpb",
"args": [],
"env": {
"NPUBMAIL_NAME": "<NPUBMAIL_NAME>"
}
}
}
}
{
"mcpServers": {
"npubmail": {
"command": "https://github.com/obvioussummer46/npubmail/releases/download/v0.2.1/npubmail-mcp-0.2.1.mcpb",
"args": [],
"env": {
"NPUBMAIL_NAME": "<NPUBMAIL_NAME>"
}
}
}
}
{
"servers": {
"npubmail": {
"type": "stdio",
"command": "https://github.com/obvioussummer46/npubmail/releases/download/v0.2.1/npubmail-mcp-0.2.1.mcpb",
"args": [],
"env": {
"NPUBMAIL_NAME": "<NPUBMAIL_NAME>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
NPUBMAIL_NAMEOptional | Preferred mailbox name (becomes <name>@npubmail.com if free). Optional. |
Details
| Package | https://github.com/obvioussummer46/npubmail/releases/download/v0.2.1/[email protected] (MCPB, stdio) |
| First published | 8 Oct 2026 |
| Last updated | 8 Oct 2026 |
| Registry name | com.npubmail/npubmail |
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