MCP server

Radmail Official

ai.radmail/radmail-mcp

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Email OS for agents - real-inbox search, triage, commitments, and a verifiable BEC hard-stop.

Website Source

At a glance

Type

MCP server

Publisher

radmail.ai (verified by the MCP Registry)

Status

Working at last check

Tools

6

Token cost

About 692 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http radmail-mcp https://radmail.ai/api/mcp/sandbox

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.radmail-mcp]
url = "https://radmail.ai/api/mcp/sandbox"

Gemini CLI

{"mcpServers":{"radmail-mcp":{"httpUrl":"https://radmail.ai/api/mcp/sandbox"}}}

Cursor

{"mcpServers":{"radmail-mcp":{"url":"https://radmail.ai/api/mcp/sandbox"}}}

VS Code

{"servers":{"radmail-mcp":{"type":"http","url":"https://radmail.ai/api/mcp/sandbox"}}}

Antigravity

agy mcp add radmail-mcp https://radmail.ai/api/mcp/sandbox

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"radmail-mcp","server_url":"https://radmail.ai/api/mcp/sandbox","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"radmail-mcp","server_url":"https://radmail.ai/api/mcp/sandbox"}

Tools

• draft_reply Sends messages · ~125 tokens
  Draft a reply for a thread. It returns text for a human to review — it does not and cannot send it.
• list_commitments ~66 tokens
  Extract the open commitments in the correspondence, both owed by you and owed to you, with who and by-when.
• list_right_now ~66 tokens
  Return only the 'Right Now' lane — the most recent and most important messages that genuinely can't be missed.
• search ~217 tokens
  Find 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_KEY set and the same t
• triage_inbox ~119 tokens
  Rank 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 the very first call.
• why_surfaced ~99 tokens
  Explain in plain English why a given message was surfaced — the signals (sender, urgency, commitment) behind its rank.

Browse

• Email
• Running code

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