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fastCRW Pergamon
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Blockchain.com Data

blockchain.info

Bitcoin network statistics and block data: hash rate, difficulty, mempool and block details.

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Runs on your machine under the source's own terms

The crw MCP on your computer calls Blockchain.com Data directly. Calls cost no credits and the data does not pass through fastCRW. Install it once for Claude Code, Cursor, Codex, Windsurf, Gemini CLI or OpenCode, with your fastCRW API key in place of the placeholder:

Ask with this source

A prompt for your agent that names this source and how to call it through the crw MCP.

  • Block by hash

    Use Blockchain.com Data (blockchaininfo) from fastCRW Pergamon, capability "Block by hash" (block). You have a block hash and need its transactions or header, and the block is old or small enough to fit under 8 MB. Example options: hash=00000000839a8e6886ab5951d76f411475428afc90947ee320161bbf18eb6048. Use the crw MCP tools: crw_find_data to confirm the source and its options, then crw_get_data with provider "blockchaininfo" and capability "block". Tell me the credits used and cite the licence from the response. If the crw MCP tools are missing, install them with: npx -y crw-mcp install --api-key <your fastCRW API key>

  • Network statistics

    Use Blockchain.com Data (blockchaininfo) from fastCRW Pergamon, capability "Network statistics" (stats). You want the state of the Bitcoin network right now rather than any individual block or address. Use the crw MCP tools: crw_find_data to confirm the source and its options, then crw_get_data with provider "blockchaininfo" and capability "stats". Tell me the credits used and cite the licence from the response. If the crw MCP tools are missing, install them with: npx -y crw-mcp install --api-key <your fastCRW API key>