Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.
Connect Remote server
claude mcp add --transport http radmail-mcp https://radmail.ai/api/mcp/sandbox
{
"mcpServers": {
"radmail-mcp": {
"url": "https://radmail.ai/api/mcp/sandbox"
}
}
}
{
"servers": {
"radmail-mcp": {
"type": "http",
"url": "https://radmail.ai/api/mcp/sandbox"
}
}
}
Settings > Connectors > Add custom connector
URL: https://radmail.ai/api/mcp/sandbox
Tools 6 found in our last check
triage_inboxRank a mailbox on two axes (importance x urgency) and return what needs a human now versus what can wait or is already handled — with each thread's open commitment (the promise you owe or are owed, and whether it's overdue) surfaced inline, so the follow-through is visible on th…
list_right_nowReturn only the 'Right Now' lane — the most recent and most important messages that genuinely can't be missed.
why_surfacedExplain in plain English why a given message was surfaced — the signals (sender, urgency, commitment) behind its rank.
list_commitmentsExtract the open commitments in the correspondence, both owed by you and owed to you, with who and by-when.
draft_replyDraft a reply for a thread. It returns text for a human to review — it does not and cannot send it.
searchFind a specific message by sender, subject, or content. Results come back most-relevant + newest first, and every hit says where it matched (from / subject / body) and why. On this hosted sandbox it searches the built-in demo inbox; run the radmail-mcp package with RADMAIL_API_K…
Details
| Endpoint | https://radmail.ai/api/mcp/sandbox (Streamable HTTP) |
| Package | [email protected] (NPM, stdio) |
| First published | 17 Aug 2026 |
| Last updated | 17 Aug 2026 |
| Registry name | ai.radmail/radmail-mcp |
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