MCP server

SendGuard Official

ai.sendguard/preflight

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

Check an email before your AI agent sends it: allow, review or block with reasons.

Website

At a glance

Type

MCP server

Publisher

sendguard.ai (verified by the MCP Registry)

Status

Working at last check

Tools

1

Token cost

About 497 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 preflight https://api.sendguard.ai/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.preflight]
url = "https://api.sendguard.ai/mcp"

Gemini CLI

{"mcpServers":{"preflight":{"httpUrl":"https://api.sendguard.ai/mcp"}}}

Cursor

{"mcpServers":{"preflight":{"url":"https://api.sendguard.ai/mcp"}}}

VS Code

{"servers":{"preflight":{"type":"http","url":"https://api.sendguard.ai/mcp"}}}

Antigravity

agy mcp add preflight https://api.sendguard.ai/mcp

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":"preflight","server_url":"https://api.sendguard.ai/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"preflight","server_url":"https://api.sendguard.ai/mcp"}

Tools

• preflight_email Sends messages · ~497 tokens
  Check an AI-written email before sending. Returns allow, delay, requires_approval or block with reason codes (recipient validity, sender authentication, content risk, sensitive industries, volume limits) and recommendations. Does not send email. Without an API key: 3 free checks per day per IP.

Browse

• Email

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Badge for your README

[![AptLynx](https://aptlynx.net/badge/ai.sendguard/preflight.svg)](https://aptlynx.net/servers/ai.sendguard/preflight)

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