Calls Anthropic's claude-3-opus, passing in the command-line argument as the prompt.

Claude.sh

#!/usr/bin/env bash
if [ "$#" -eq 0 ]; then
    echo "Usage: $(basename "$0") promt_to_send_to_claude"
    echo ""
    echo "  Requirements: ANTHROPIC_API, defined; jq and curl, installed; bash, version 3 or higher."
    exit 1
fi

function claude() {
    local json_request
    json_request=$(jq -n \
		--arg content "$*" \
		'{
      "model": "claude-3-opus-20240229",
      "max_tokens": 1024,
      "messages": [
        { "role": "user",  "content": $content }
      ]
    }')
    # echo $json_request # uncomment to debug
    
    local json_response
    json_response=$(curl --silent \
		--request POST \
		--url https://api.anthropic.com/v1/messages \
		--header "x-api-key: $ANTHROPIC_API_KEY" \
		--header "anthropic-version: 2023-06-01" \
		--header 'content-type: application/json' \
		--data "$json_request")
    #echo $json_response  # uncomment to debug

    echo "$json_response" | jq --raw-output .content[0].text
}
claude "$*"