TOOL CALL
TOOL_CALLExecute a tool by name with the provided arguments.
How it works ↓Pricing
Per call
$0.02
Model
flat
Pay only for what you use. No subscriptions.
Inputs
tool_name *
stringarguments *
stringInput Parameters
Cost per run
Execution cost$0.02
About TOOL CALL
Execute a tool by name with the provided arguments. IMPORTANT: You MUST call TOOL_GET(tool_name) first to retrieve the full parameter schema before calling this tool. The arguments must match the schema returned by TOOL_GET, including all required parameters. Calling without the correct arguments will result in errors. Workflow: TOOL_LIST -> TOOL_GET(tool_name) -> TOOL_CALL(tool_name, arguments)
Frequently Asked Questions
Execute a tool by name with the provided arguments. IMPORTANT: You MUST call TOOL_GET(tool_name) first to retrieve the full parameter schema before calling this tool. The arguments must match the schema returned by TOOL_GET, including all required parameters. Calling without the correct arguments will result in errors. Workflow: TOOL_LIST -> TOOL_GET(tool_name) -> TOOL_CALL(tool_name, arguments)
TOOL CALL costs $0.02 per call on xpay. No subscription, no minimums. Pay only for the calls you make. New accounts get $5 in free credits.
Connect the Alpha Vantage MCP endpoint to your client — Claude Code: claude mcp add --transport http alpha-vantage "https://alpha-vantage.mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY"; Cursor/Windsurf/Cline/VS Code: same URL in mcp.json. The agent will see TOOL_CALL as a callable tool with the input schema and run it directly. (Unified across all providers: https://mcp.xpay.sh/mcp?key=YOUR_XPAY_KEY, then xpay_run with toolPath alpha-vantage/TOOL_CALL.)
Yes — that's exactly what xpay is for. You don't need a Alpha Vantage account or API key. Sign up at xpay.tools (Google or email), get $5 free credit, and run TOOL CALL immediately. Billing flows through your xpay balance.
TOOL CALL accepts 2 input parameters: tool_name, arguments. See the input schema and runnable form on this page for details and to test live.