SendGuard

ai.sendguard/preflightVersion 1.0.0

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

Status

Responds565 msNov 14, 2026, 13:33 UTCAnswered our handshake without sign-in.

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Data from the official MCP Registry, checked by run.zero. How we check

Streamable HTTP

https://api.sendguard.ai/mcpResponds565 msNov 14, 2026, 13:33 UTC

No sign-in

claude mcp add --transport http preflight https://api.sendguard.ai/mcp

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Settings > Connectors > Add custom connector
Name: preflight
Remote MCP server URL: https://api.sendguard.ai/mcp

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

code --add-mcp '{"name":"preflight","type":"http","url":"https://api.sendguard.ai/mcp"}'

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1 tools

Tools of SendGuard
	Description		Read-only	Idempotent	Open world
`preflight_email`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.	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.	No	No	Yes	Not declared

Registry status: Active
Published: Oct 15, 2026
Updated: Oct 15, 2026
Website: https://sendguard.ai/⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): CommunicationSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared