INDIVIDUAL MCP TOOL

get_usage_balance

Get the current App9 credit balance available to CallOnline for this API key account.

callonline.appnone authenticationAvailability not checked

LIVE ENDPOINT

https://callonline.app/mcp

No auth detected

Connect to this endpoint to inspect the live schema for get_usage_balance and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.callonline]
url = "https://callonline.app/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "callonline": {
      "type": "http",
      "url": "https://callonline.app/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: callonline
Remote MCP URL: https://callonline.app/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "callonline": {
      "url": "https://callonline.app/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "callonline": {
      "type": "http",
      "url": "https://callonline.app/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "callonline",
  "transport": "streamable-http",
  "url": "https://callonline.app/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

place_call — Prepare, explicitly approve, and idempotently place an outbound AI-to-human CallOnline call after compliance preflight passes.
get_call_status — Get CallOnline call status and audit events.
cancel_call — Prepare, explicitly approve, and idempotently cancel an active CallOnline call owned by the authenticated account.
list_voices — List available CallOnline voice tiers.
list_plans — List App9 credit plans that can fund CallOnline agent calling.
get_agent_commerce_capabilities — Describe CallOnline agent-commerce capabilities, including Stripe Checkout, UCP/ACP/SPT readiness, and MPP/x402 machine-payment readiness.
create_purchase_session — Create an App9 Account checkout session for a human to approve a one-time CallOnline credit top-up.
create_direct_payment_session — Create an App9 Account direct agent-payment session for one-time CallOnline credits using MPP and a Stripe Shared Payment Token.