ttrss/plugins/af_readability/composer.json

{
	 "minimum-stability": "dev",
	 "prefer-stable": true,
    "repositories": [
        {
	        "name": "fivefilters/readability.php",
	        "type": "vcs",
	        "url": "https://dev.tt-rss.org/fox/readability-php.git"
        },
        {
	        "name": "masterminds/html5",
	        "type": "vcs",
	        "url": "https://dev.tt-rss.org/fox/html5-php.git"
        }
    ],
    "require": {
        "fivefilters/readability.php": "dev-master",
		  "psr/http-factory": "1.0.1"
    }
}