REI Crypto MCP Server

Instructions

Get the closest block to a timestamp.

Parameters:
    chain: chain identifier
    timestamp: UNIX timestamp to find closest block for

Implementation Reference

• defillama_server.py:733-744 (handler)

  The main handler function for the 'get_closest_block' MCP tool. It uses the shared 'make_request' helper to query the DefiLlama API endpoint '/coins/block/{chain}/{timestamp}' and returns the closest block number for the given chain and timestamp as a string.

  @mcp.tool()
  async def get_closest_block(chain: str, timestamp: int) -> str:
      """GET /coins/block/{chain}/{timestamp}
      
      Get the closest block to a timestamp.
      
      Parameters:
          chain: chain identifier
          timestamp: UNIX timestamp to find closest block for
      """
      result = await make_request('GET', f'/coins/block/{chain}/{timestamp}')
      return str(result)