MCP.Market

Customerio MCP server

by mrfentmen·io.github.mrfentmen/customerio-mcp·v1.1.0
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Query Customer.io: customers, customer details, segments.

C65/100grade C
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Safety scan
C65/100

full report

Adoption
New

274 downloads/wk

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

Customerio tools (10)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • activities

    Workspace activity.

  • campaign_details

    Single campaign.

  • campaigns

    All campaigns.

  • customer_activities

    Activity for a customer.

  • customer_messages

    Messages for a customer.

  • get_customer

    One customer profile by id, with its attributes.

  • list_customers

    Tracked customers with email and attributes.

  • list_segments

    Segments with id, name and member counts.

  • newsletters

    All newsletters.

  • segment_details

    Single segment.

Public scan report

scanner v0.1.10 · 2026-10-28 · same rubric, same numbers if you re-run it

no findings
  • Code scan7 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10
Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Customerio compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
65/100
higher than 20% of 48,255 servers
Tools
10
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
274
more than 80% of 12,191 servers with a package

What its tools let an agent do: 9 read · 1 create

Install Customerio in Claude Code, Cursor or VS Code

Runs npx -y customerio-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add customerio-mcp -- npx -y customerio-mcp
Add to Cursor

Customerio: common questions

Is Customerio MCP server safe?
With care: it is graded C, so read the findings first (65/100). Read the Customerio safety report
How do I install Customerio?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Customerio need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Customerio maintained?
The latest release is v1.1.0.
How does Customerio compare with other MCP servers?
safety score 65/100 (higher than 20% of 48,255 servers); tools 10 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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