MCP.Market

CallerKit MCP server

online · 100% uptime
by caller-kit.com·com.caller-kit/callerkit-mcp·v0.3.0
No reviews yet

Caller ID and phone lookup: names, spam reports, fraud risk score, name/email search.

B84/100grade B
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Safety scan
B84/100

full report

Adoption
Growing

558 downloads/wk

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

CallerKit tools

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

Public scan report

scanner v0.1.10 · 2026-10-13 · same rubric, same numbers if you re-run it

no findings
  • Code scan23 source files scanned25/25
  • Live reliabilityremote reachable in 237ms (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 identityendpoint served from the registry-verified namespace domain8/10
Overall 84/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How CallerKit compares

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

Safety score
84/100
higher than 76% of 916 Email servers
Uptime
100%
of our recent checks; the typical remote Email server answers 100%
Response time
1,088 ms
faster than 8% of 609 Email servers
Downloads a week
558
more than 86% of 235 Email servers with a package

Install CallerKit in Claude Code, Cursor or VS Code

claude mcp add --transport http callerkit-mcp https://mcp.caller-kit.com/mcp
Add to Cursor

CallerKit: common questions

Is CallerKit MCP server safe?
Mostly: it is graded B (84/100). Read the CallerKit safety report
How do I install CallerKit?
It runs remotely at mcp.caller-kit.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does CallerKit need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is CallerKit maintained?
The latest release is v0.3.0.
Is CallerKit up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of CallerKit?
Servers from other publishers that do the same job: ContrastAPI MCP server, Parse-DMARC MCP Server and Zenvia MCP server.
How does CallerKit compare with other Email MCP servers?
safety score 84/100 (higher than 76% of 916 Email servers); uptime 100% (of our recent checks; the typical remote Email server answers 100%); response time 1,088 ms (faster than 8% of 609 Email servers). Full comparison.

Alternatives to CallerKit

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

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    B
  • Parse-DMARC MCP Server
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  • Zenvia
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    More from codespar →
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  • Hail
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  • ParseAPI
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