CallKaro Voice AI Operations
https://mcp.callkaro.ai/api/mcp ↗
Description
Manage CallKaro voice agents, phone numbers, call queues, and place single or batch AI calls.
What our measurements say
CallKaro Voice AI Operations is a remote MCP server published at mcp.callkaro.ai. It has been probed 7 times since 9/12/2026. It answered in 7 of them (100.0%), a near-uninterrupted record. Median response time is 702 ms, a delay an agent will notice. Its tool list could not be read; the server is closed to direct calls. It answers direct calls with an authentication wall.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Agent readability score
Event narrative
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| Run | Era | Modern | ms | Legacy | ms | Versions |
|---|---|---|---|---|---|---|
| 2026-09-13 04:35:29 | Auth-gated | 401 | 969 | 401 | 973 | — |
| 2026-09-13 01:33:33 | Auth-gated | 401 | 741 | 401 | 750 | — |
| 2026-09-12 23:31:36 | Auth-gated | 401 | 591 | 401 | 602 | — |
| 2026-09-12 21:29:15 | Auth-gated | 401 | 558 | 401 | 531 | — |
| 2026-09-12 19:27:29 | Auth-gated | 401 | 682 | 401 | 702 | — |
| 2026-09-12 17:24:09 | Auth-gated | 401 | 621 | 401 | 633 | — |
| 2026-09-12 15:21:42 | Auth-gated | 401 | 706 | 401 | 726 | — |
Availability history
Each block is one measurement round. Green: working response. Amber: responded but the server was returning errors (5xx). Red: no response at all.
Era history
Each cell is one probe run. Faded cells are incomplete probes — one leg did not answer, so the era is inconclusive.
Response time history
The two probe legs separately: modern server/discover and legacy initialize.
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Added to watch — era: Auth-gated
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[](https://mcpmetrics.io/servers/io-github-jatinsm2023-callkaro-mcp)<a href="https://mcpmetrics.io/servers/io-github-jatinsm2023-callkaro-mcp"><img src="https://mcpmetrics.io/badge/io.github.jatinsm2023/callkaro-mcp/era.svg" alt="mcpmetrics"></a>You are seeing the last 7 days. Sign up for the full history. Which check failed and why is in the dashboard.
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