Bitcoin MCP Server

--- sidebar_position: 3 --- # Decode Transaction A tool for parsing and understanding raw Bitcoin transactions by converting them into a human-readable format. ## Tool Name `decode_tx` ## Description Decodes a raw Bitcoin transaction hex string into a structured format, revealing details about the transaction's inputs, outputs, and other properties. This tool is essential for transaction analysis and debugging. ## Input - `rawHex`: The raw transaction data in hexadecimal format (string) ## Output Returns detailed transaction information including: - Transaction ID (TXID) - Version number - Input details (previous transactions, script signatures) - Output details (amounts, recipient addresses) - Lock time - Size and weight ## Example Usage Using the tool through Claude: ``` Can you decode this Bitcoin transaction: 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 ``` Example output: ``` I'll decode that Bitcoin transaction using the decode_tx tool. Transaction Details: - TXID: f4184fc596403b9d638783cf57adfe4c75c605f6356fbc91338530e9831e9e16 - Version: 1 - Size: 275 bytes Inputs (1): 1. Previous TX: 0437cd7f8525ceed2324359c2d0ba26006d92d856a9c20fa0241106ee5a597c9 Output Index: 0 Script: 47304402204e45e16932b8af514961a1d3a1a25fdf3f4f7732e9d624c6c61548ab5fb8cd410220181522ec8eca07de4860a4acdd12909d831cc56cbbac4622082221a8768d1d0901 Outputs (2): 1. Amount: 10.00 BTC Address: 1Q2TWHE3GMdB6BZKafqwxXtWAWgFt5Jvm3 Script Type: P2PK 2. Amount: 40.00 BTC Address: 12cbQLTFMXRnSzktFkuoG3eHoMeFtpTu3S Script Type: P2PK Locktime: 0 (No locktime) This is a historical transaction from 2009 where 10 BTC was sent to one address and 40 BTC was sent as change. ``` ## Common Use Cases - Analyzing transaction structure - Debugging transaction issues - Educational purposes - Transaction history research - Script analysis ## Technical Details The tool decodes: - Transaction structure and version - Input and output counts - Script types and contents - Address formats - Bitcoin amounts - Sequence numbers - Witness data (for SegWit transactions) ## Supported Transaction Types - Legacy (non-SegWit) - SegWit (native and wrapped) - Multi-signature - Time-locked transactions