Task: Auto-publish New Wordpress Posts to Social Media

n8n workflow:
{"meta":{"instanceId":"244150e6a8834418cd9ea41f765805d5ab87e8c4fa071743fb52190eef1ac344"},"nodes":[{"id":"caafc345-8f43-49c8-94bb-bdeb1f7b4455","name":"Webhook","type":"n8n-nodes-base.webhook","position":[380,220],"webhookId":"6509b71e-e00f-45e0-8483-7fbc12cb6478","parameters":{"path":"6509b71e-e00f-45e0-8483-7fbc12cb6478","options":{},"httpMethod":"POST"},"typeVersion":1,"alwaysOutputData":true},{"id":"f72c14af-897a-4b28-9d89-fe334b644093","name":"RSS Feed Read","type":"n8n-nodes-base.rssFeedRead","position":[600,220],"parameters":{"url":"={{ $json[\"body\"][\"methodcall\"][\"params\"][\"param\"][2][\"value\"][\"string\"] }}"},"executeOnce":false,"typeVersion":1},{"id":"776abf6d-791e-41bd-801f-a306808f8aa3","name":"Note","type":"n8n-nodes-base.stickyNote","position":[340,380],"parameters":{"width":183,"height":124,"content":"Requires Wordpress to have the Webhook URL saved under **Settings -> Writing -> Update Services**"},"typeVersion":1},{"id":"22f554d9-87d3-4e9e-bc48-af5a2e2cdfa6","name":"Get only the 1st item","type":"n8n-nodes-base.itemLists","position":[820,220],"parameters":{"operation":"limit"},"typeVersion":1},{"id":"bfa7ba38-cd3c-4e08-915e-a72422a22f56","name":"Twitter","type":"n8n-nodes-base.twitter","position":[1040,60],"parameters":{"text":"={{$json[\"title\"]}}\n\n{{$json[\"link\"]}}","additionalFields":{}},"credentials":{"twitterOAuth1Api":{"id":"12","name":"Twitter Account"}},"executeOnce":true,"typeVersion":1},{"id":"d97b74fc-e355-41a8-ad66-a37a4a41cc24","name":"Facebook Graph API","type":"n8n-nodes-base.facebookGraphApi","position":[1040,220],"parameters":{"node":"page/feed","options":{"queryParameters":{"parameter":[{"name":"message","value":"={{$json[\"title\"]}}"},{"name":"link","value":"={{$json[\"link\"]}}"}]}},"graphApiVersion":"v14.0","httpRequestMethod":"POST"},"credentials":{"facebookGraphApi":{"id":"15","name":"Facebook Account"}},"executeOnce":true,"typeVersion":1},{"id":"efdf710b-bc10-4481-9262-b2a0f60da812","name":"LinkedIn","type":"n8n-nodes-base.linkedIn","position":[1040,380],"parameters":{"text":"={{$json[\"title\"]}}","person":"HrVtpPccKI","additionalFields":{"originalUrl":"={{$json[\"link\"]}}"},"shareMediaCategory":"ARTICLE"},"credentials":{"linkedInOAuth2Api":{"id":"16","name":"LinkedIn Account"}},"executeOnce":true,"typeVersion":1}],"connections":{"Webhook":{"main":[[{"node":"RSS Feed Read","type":"main","index":0}]]},"RSS Feed Read":{"main":[[{"node":"Get only the 1st item","type":"main","index":0}]]},"Get only the 1st item":{"main":[[{"node":"Twitter","type":"main","index":0},{"node":"Facebook Graph API","type":"main","index":0},{"node":"LinkedIn","type":"main","index":0}]]}}}