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Drive a Krystal Voice Caller tenant from Claude, Cursor, or any MCP-aware agent.
Drive a Krystal Voice Caller tenant from Claude, Cursor, or any MCP-aware agent.
This is a well-structured MCP server for Krystal Voice Caller with proper authentication via API tokens, appropriate authorization controls, and secure credential handling. The code implements a whitelist-based authorization model for sensitive operations, includes comprehensive error handling, and has no malicious patterns or dangerous vulnerabilities. Minor code quality concerns around broad exception handling do not materially impact security. Supply chain analysis found 3 known vulnerabilities in dependencies (0 critical, 3 high severity). Package verification found 1 issue.
5 files analyzed · 7 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
This plugin requests these system permissions. Most are normal for its category.
Set these up before or after installing:
Environment variable: KVC_API_TOKEN
Environment variable: KVC_BASE_URL
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-krystalunity-kvc-mcp": {
"env": {
"KVC_BASE_URL": "your-kvc-base-url-here",
"KVC_API_TOKEN": "your-kvc-api-token-here"
},
"args": [
"kvc-mcp"
],
"command": "uvx"
}
}
}From the project's GitHub README.
MCP access is included with every Krystal Voice Caller tier. Use this package to manage a tenant from Claude, Cursor, or any MCP-aware agent.
mcp-name: io.github.KrystalUnity/kvc-mcp
pip install kvc-mcp
Create or rotate an API token in the Krystal Voice Caller dashboard, then set:
export KVC_API_TOKEN="kvc_token_..."
export KVC_BASE_URL="https://krystalunity.com/api/admin/kvc"
Cursor example:
{
"mcpServers": {
"krystal-voice-caller": {
"command": "kvc-mcp",
"env": {
"KVC_API_TOKEN": "kvc_token_..."
}
}
}
}
The server exposes tenant config, DNC, call history, reception captures, digest send-now, Script Author draft chat, contact upload, outbound captures, and test-call tools. Product availability is enforced by the Krystal Voice Caller API, so Reception-only tenants get inbound/reception tools and Bundle/Premium tenants get outbound Email Hunter tools.
Script approval is not exposed through MCP. Approval stays admin-only in the web UI.
Operator-only steps:
cd packages/kvc-mcp && uv builduv publish --username __token__ --password "$PYPI_TOKEN"io.github.KrystalUnity/kvc-mcp pointing at the PyPI package.pip install kvc-mcp && kvc-mcp --help.Be the first to review this server!
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