Server data from the Official MCP Registry
Czech telephony API and MCP: numbers, calls, SMS, voice agents, calendars and invoices.
About
Czech telephony API and MCP: numbers, calls, SMS, voice agents, calendars and invoices.
Remote endpoints: streamable-http: https://volai.cz/mcp
Security Report
Valid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.
Endpoint verified · Requires authentication · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Found in Source Code
Found by scanning the linked source code. This listing connects to a hosted endpoint, so none of this runs on your machine: it describes what the server software does where it is hosted.
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"cz-volai-volai": {
"url": "https://volai.cz/mcp"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
volai
Czech telephony API and MCP for apps and AI agents - numbers, calls, SMS,
voice agent. This plugin connects Codex and Claude Code to the volai MCP server
(107 tools: numbers, calls, SMS, voice agents, webhooks, connected calendars
and invoices) and bundles the full volai skill so Claude knows the API
conventions (E.164 numbers, prices in Czech hellers, idempotency keys)
without extra prompting.
Install
claude plugin marketplace add https://volai.cz/.claude-plugin/marketplace.json
claude plugin install volai@volai
Sign in with volai
The plugin uses OAuth. Connect the server, open the sign-in page, and approve access to your volai account. The consent page describes access to account data, voice agents, paid calls, SMS and number orders. Revoke access at any time under API and MCP in the volai portal.
For a direct MCP connection in Claude Code:
claude mcp add --transport http volai https://volai.cz/mcp
Then use /mcp to authenticate. In Codex, add the remote MCP URL
https://volai.cz/mcp and sign in. This archive includes both the Claude
and Codex plugin manifests. Distribution through this project's own
marketplace does not imply approval by either official directory.
API key alternative
Existing API keys remain supported. For a manual Claude Code connection:
claude mcp add --transport http --header 'Authorization: Bearer vk_YOUR_KEY' volai https://volai.cz/mcp
The REST examples in examples/ read VOLAI_API_KEY:
export VOLAI_API_KEY=vk_YOUR_KEY
Get a key in the volai portal under API and MCP
(https://volai.cz/en/api-and-mcp) after signing up at
https://volai.cz/en/auth/signup. Treat the key like a password - anyone
who has it can spend your credit (buy numbers, place calls, send SMS).
What you get
- MCP server (
https://volai.cz/mcp) - the same 107 tools documented athttps://volai.cz/en/docs/mcp, authenticated through OAuth or an API key. volaiskill (skills/volai/SKILL.md) - the full API reference (authentication, conventions, endpoints, tool list) so Claude picks the right tool and field names without guessing.- Examples (
examples/) - two small Node 20 scripts (send-sms.mjs,make-call.mjs) that call the REST API directly withfetch, no dependencies.
Try it
Once installed, just ask Claude Code things like:
- "Send an SMS to +420777123456 saying the order is ready."
- "Call me at +420777123456 and try being a cafe receptionist - I don't want to set up my own number or agent for this."
- "List my last 10 calls and summarize them."
Source and registry
The source of this plugin is public at
https://github.com/radekklein92/volai-plugin, a mirror of the plugin/
folder of the volai project. The MCP server is also listed in the official
MCP registry as cz.volai/volai
(https://registry.modelcontextprotocol.io/v0/servers?search=cz.volai).
Report problems to podpora@volai.cz.
More
Full documentation: https://volai.cz/en/docs. Pricing:
https://volai.cz/en/pricing. Support: podpora@volai.cz.
License
MIT, see LICENSE. (c) ANOVIA Finance s.r.o.
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