AI voice agent infrastructure via Vapi — create assistants, manage calls, configure phone numbers, and build voice apps.
Use with AI AssistantsMCP
Connect Claude, Cursor, or any MCP-compatible client — then call tools directly
① Add This MCP Server
Paste into your AI client config — then all its tools are available instantly.
{
"mcpServers": {
"vapi": {
"url": "https://mcp.aerostack.dev/s/aerostack/mcp-vapi",
"headers": {
"Authorization": "Bearer YOUR_AEROSTACK_TOKEN"
}
}
}
}Replace YOUR_AEROSTACK_TOKEN with your API token from the dashboard.
② Call a Tool
Ask your AI assistant to call a specific tool, or send raw JSON-RPC:
Natural Language Prompt
“Use the _ping tool to verify vapi credentials by calling a lightweight read endpoint. used internally by aerostack to validate credentials”
Using a Workspace?
Add this MCP to your Workspace — your team shares one token, secrets are stored securely, and every AI agent in the workspace can call it without per-user setup.
AI voice agent infrastructure via Vapi — create assistants, manage calls, configure phone numbers, and build voice apps.
Live endpoint: https://mcp.aerostack.dev/s/aerostack/mcp-vapi
This MCP server gives AI agents access to Vapi via 9 tools. Connect it to any Aerostack workspace and your agents can interact with Vapi directly.
| Tool | Description |
|---|---|
list_assistants | List all voice assistants in your Vapi account with their configurations, voices, and models. |
get_assistant | Get full configuration details for a specific Vapi voice assistant including voice, model, and first message settings. |
create_assistant | Create a new Vapi voice assistant with a model, voice, and first message configuration. |
update_assistant | Update configuration of an existing Vapi voice assistant. Only provided fields are updated. |
delete_assistant | Delete a Vapi voice assistant. This action cannot be undone. |
list_calls | List recent calls made through Vapi with status, duration, and transcript availability. |
get_call | Get details about a specific call including full transcript, recording URL, duration, and cost. |
create_call | Initiate an outbound phone call using a Vapi assistant to a customer phone number. |
list_phone_numbers | List all provisioned phone numbers in your Vapi account with their providers and capabilities. |
| Variable | Required | Description |
|---|---|---|
VAPI_API_KEY | Yes | Your VAPI API KEY from the service's developer settings |
Add the following secrets under Project → Secrets:
VAPI_API_KEYOnce added, every AI agent in your workspace can use Vapi tools automatically.
curl -X POST https://mcp.aerostack.dev/s/aerostack/mcp-vapi \
-H 'Content-Type: application/json' \
-H 'X-Mcp-Secret-VAPI-API-KEY: your-vapi-api-key' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"list_assistants","arguments":{}}}'
MIT
Live Endpoint
https://mcp.aerostack.dev/s/aerostack/mcp-vapi
Sub-50ms globally · Zero cold start
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Yes. The Vapi MCP includes a create_assistant tool that lets Claude create assistants in your Vapi account from a plain-English prompt. You can also update and delete assistants — no Vapi UI needed.
Yes. The Vapi MCP includes tools to list and retrieve assistants from your Vapi account. Claude can filter, sort, and summarize assistants based on your instructions.
Yes. The Vapi MCP uses the open Model Context Protocol standard, so it works in Claude, Cursor, Windsurf, and any other MCP-compatible AI tool. All 9 Vapi tools are available everywhere you connect it — install once on Aerostack.
Yes. The Vapi MCP includes tools to update assistants in your Vapi account. Tell Claude what to change in plain English — it reads the current state and applies the update via the Vapi API.