MCP.Market

CallSync MCP server

online · 100% uptime
by callsyncapp.com·com.callsyncapp/callsync·v1.1.0
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Search business calls, review conversation insights, and manage CRM follow-ups with CallSync.

B77/100grade B
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Safety scan
B77/100

full report

Adoption
New

Little public usage data yet

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

CallSync 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

1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 408ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenanceno repository listed3/15
  • Maintainer identityendpoint served from the registry-verified namespace domain8/10

Findings (1)

  • lowNo source repository listedmaint.no-repo
Overall 77/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How CallSync compares

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

Safety score
77/100
higher than 50% of 876 Sales and outbound servers
Uptime
100%
of our recent checks; the typical remote Sales and outbound server answers 100%
Response time
160 ms
faster than 76% of 671 Sales and outbound servers

Install CallSync in Claude Code, Cursor or VS Code

claude mcp add --transport http callsync https://mcp.callsyncapp.com/connect
Add to Cursor

CallSync: common questions

Is CallSync MCP server safe?
Mostly: it is graded B (77/100). Read the CallSync safety report
How do I install CallSync?
It runs remotely at mcp.callsyncapp.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 CallSync need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is CallSync maintained?
The latest release is v1.1.0.
Is CallSync 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 CallSync?
Servers from other publishers that do the same job: Munin MCP server, Follow Up Boss MCP server and Salesforce Cloud MCP server.
How does CallSync compare with other Sales and outbound MCP servers?
safety score 77/100 (higher than 50% of 876 Sales and outbound servers); uptime 100% (of our recent checks; the typical remote Sales and outbound server answers 100%); response time 160 ms (faster than 76% of 671 Sales and outbound servers). Full comparison.

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