SERVER

Krystal Voice Caller

Rank #72,402

io.github.KrystalUnity/kvc-mcp

Drive a Krystal Voice Caller tenant from Claude, Cursor, or any MCP-aware agent.

1 version

1 GitHub stars

by krystalunity (1 servers)View repository ↗

Listed & last published

May 22, 2026

PURPOSE

What you can do with Krystal Voice Caller

Krystal Voice Caller is a Model Context Protocol (MCP) server published by krystalunity. It ranks #72,402 of 152,076 active servers on MCP Toplist, and its repository has 1 GitHub stars. Krystal Voice Caller is listed across 3 registries — Official MCP, PulseMCP and Glama, with 1 tracked version. It was first listed on May 22, 2026 and most recently updated on May 22, 2026.

Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.

CAPABILITIES AND LIMITATIONS

What Krystal Voice Caller can and cannot do

Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.

REQUIREMENTS

What you need before using Krystal Voice Caller

DeclaredAPI keyCredentials declared

The registry listing declares required configuration before first use — typically an API key, token or connection string set via environment variables.

Declared by Glama, last synced Oct 25, 2026. Not independently verified by MCP Toplist.

Declared in the registry install config

KVC_API_TOKEN · required
KVC_BASE_URL · optional

INSTALLATION AND FIRST TASK

Connect Krystal Voice Caller and confirm it works

Python package (PyPI)

claude mcp add kvc-mcp -e "KVC_API_TOKEN=<your KVC_API_TOKEN>" -e "KVC_BASE_URL=<your KVC_BASE_URL>" -- uvx kvc-mcp

Replace each placeholder with your own value before saving.

Python package (PyPI)

[mcp_servers.kvc-mcp]
command = "uvx"
args = ["kvc-mcp"]

[mcp_servers.kvc-mcp.env]
KVC_API_TOKEN = "<your KVC_API_TOKEN>"
KVC_BASE_URL = "<your KVC_BASE_URL>"

Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "mcpServers": {
    "kvc-mcp": {
      "command": "uvx",
      "args": [
        "kvc-mcp"
      ],
      "env": {
        "KVC_API_TOKEN": "<your KVC_API_TOKEN>",
        "KVC_BASE_URL": "<your KVC_BASE_URL>"
      }
    }
  }
}

Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "mcpServers": {
    "kvc-mcp": {
      "command": "uvx",
      "args": [
        "kvc-mcp"
      ],
      "env": {
        "KVC_API_TOKEN": "<your KVC_API_TOKEN>",
        "KVC_BASE_URL": "<your KVC_BASE_URL>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "servers": {
    "kvc-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "kvc-mcp"
      ],
      "env": {
        "KVC_API_TOKEN": "<your KVC_API_TOKEN>",
        "KVC_BASE_URL": "<your KVC_BASE_URL>"
      }
    }
  }
}

Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "mcpServers": {
    "kvc-mcp": {
      "command": "uvx",
      "args": [
        "kvc-mcp"
      ],
      "env": {
        "KVC_API_TOKEN": "<your KVC_API_TOKEN>",
        "KVC_BASE_URL": "<your KVC_BASE_URL>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.

Python package (PyPI)

{
  "mcpServers": {
    "kvc-mcp": {
      "command": "uvx",
      "args": [
        "kvc-mcp"
      ],
      "env": {
        "KVC_API_TOKEN": "<your KVC_API_TOKEN>",
        "KVC_BASE_URL": "<your KVC_BASE_URL>"
      }
    }
  }
}

Replace each placeholder with your own value before saving.

First successful task

After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.

MAINTENANCE AND EVIDENCE

What changed, and when this was checked

First listed: May 22, 2026
Latest version published: May 22, 2026
Version history: 1 version tracked (below)
Requirements evidence: Declared by Glama, last synced Oct 25, 2026. Not independently verified by MCP Toplist.
Profile checked: Not yet — purpose, capabilities and requirements above come from registry data only
Ranking data as of: Oct 25, 2026

Registry sightings

PulseMCP ↗listed since May 23, 2026 · still listed
Glama ↗listed since Jun 12, 2026 · still listed
Official MCP ↗listed since Jul 24, 2026 · still listed

Do you maintain Krystal Voice Caller? to correct or enrich this profile.

VERSIONS

Available versions (1)

Version	Published
0.1.1	May 22, 2026

STANDING

#72,402of 152,076 active serversTop 50%

Ranks ahead of 79,674 of 152,076 servers on MCP Toplist.

BADGE

Show your rank

Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.

Markdown

[![MCP Toplist](https://mcptoplist.com/badge/io.github.KrystalUnity%2Fkvc-mcp.svg)](https://mcptoplist.com/server/io.github.KrystalUnity%2Fkvc-mcp)

HTML

<a href="https://mcptoplist.com/server/io.github.KrystalUnity%2Fkvc-mcp"><img src="https://mcptoplist.com/badge/io.github.KrystalUnity%2Fkvc-mcp.svg" alt="MCP Toplist: Top 50% of 152,076" /></a>

Variants: append ?metric=score or ?metric=stars to the image URL.

FAQ

Frequently asked questions

Who maintains Krystal Voice Caller?: Krystal Voice Caller is maintained by krystalunity, which publishes 1 MCP server (1 total version) tracked on MCP Toplist.
Is Krystal Voice Caller listed on the Official MCP Registry?: Yes — Krystal Voice Caller is listed on the Official MCP Registry, alongside PulseMCP and Glama.
How many versions does Krystal Voice Caller have?: MCP Toplist tracks 1 version of Krystal Voice Caller, most recently published on May 22, 2026.
Where can I find the source code for Krystal Voice Caller?: The source code for Krystal Voice Caller is hosted at github.com/krystalunity/kvc-mcp.

Used in projects

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