{"type": "article", "title": "I Added Cryptographic Receipts to MCP Tool Calls in 20 Lines of Code", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/i-added-cryptographic-receipts-to-mcp-tool-calls-in-20-lines-of-code", "original_source": "https://dev.to/correctover/i-added-cryptographic-receipts-to-mcp-tool-calls-in-20-lines-of-code-4h7o", "published": "2026-08-24T08:32:22+00:00", "accessed": "2026-08-24", "id": "i-added-cryptographic-receipts-to-mcp-tool-calls-in-20-lines-of-code"}