Mmcp.market

Sendinel MCP server

by sendinel.ai·ai.sendinel/mcp-server·v1.0.11
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AI-controlled email ops for campaigns, contacts, segments, analytics, and sending.

B79/100grade B
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Safety scan
B79/100

full report

Adoption
New

348 downloads/wk

Reviews

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If you have run it, two minutes of your experience saves the next person an afternoon.

Sendinel tools

Tool list not cached yet. `describe` through the gateway fetches it live.

Public scan report

scanner v0.1.3 · 2026-09-19 · same rubric, same numbers if you re-run it

no findings
  • Code scan137 source files scanned25/25
  • Live reliabilityremote reachable in 177ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityverified namespace with website, no repo4/10
Overall 79/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

claude mcp add --transport http mcp-server https://sendinel.ai/mcp
Add to Cursor

Sendinel: common questions

Is Sendinel MCP server safe?
Mostly: it is graded B (79/100). Read the Sendinel safety report
How do I install Sendinel?
It runs remotely at sendinel.ai. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Sendinel need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is Sendinel maintained?
The latest release is v1.0.11.
Is Sendinel up?
100% of our last 1 checks got an answer. We check remote servers about four times a day.
What can I use instead of Sendinel?
Servers from other publishers that do the same job: Sendly MCP server, Bottled MCP server and Plumail MCP server. Compare all Sendinel alternatives.

Alternatives to Sendinel

Same job from other publishers: the closest match first, then the best rated.

All Sendinel alternatives →
  • Sendly
    Send email, manage contacts, campaigns and workflows, and diagnose deliverability in Sendly.
    B
  • Bottled
    Branded email on your own domain: send, reply, search, aliases, contacts and campaigns.
    B
  • Plumail
    Manage a Plumail email workspace: subscribers, segments, campaigns, transactional sends and stats.
    C
  • Sendhustle
    Send and manage email via the SendHustle API — emails, domains, contacts, audiences, campaigns.
    C
  • Email Inbox API + Sending by Sendmux
    AI email inbox and sending tools with attachments, search, live events, and webhooks.
    A
Sendinel vs SendlySendinel vs BottledSendinel vs Plumail

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