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Call list_tools for its schema and an example.","propertyNames":{"type":"string"},"type":"object"},"slug":{"description":"Which tool. Use the published slug.","enum":["qr-code","timezone-convert","markdown-to-html","calendar-ics","site-signals","image-resize"],"type":"string"}},"required":["slug","body"],"type":"object"},"name":"call_tool"},{"description":"Free. Returns a call you already paid for: amount, mode, usage, and the deliverable again. Only the wallet that paid can read it, and only while the receipt has not expired.","inputSchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"payer_address":{"description":"The wallet that paid, if you are not presenting a payment proof.","type":"string"},"receipt_id":{"description":"The rcpt_… id from a paid 200.","type":"string"}},"required":["receipt_id"],"type":"object"},"name":"get_receipt"},{"description":"Free. The published request or response JSON Schema for one mode or one action. 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