n8n workflow
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D5k H3h
+297
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{
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"name": "Memebot",
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"nodes": [
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{
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"parameters": {
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"resource": "image",
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"operation": "analyze",
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"modelId": {
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"__rl": true,
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"value": "models/gemini-flash-latest",
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"mode": "list",
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"cachedResultName": "models/gemini-flash-latest"
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},
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"text": "Generate an alt-text description, which is a description for people who can't see the image. Be sure to talk about the actual contents of it, do not interpret or assume anything. Start with a general description, then focus on the details. If the image is complex or has many different elements, please try to summarize it in around 5 sentences. If there is any text, state it verbatim. Do not assume genders. Write your alt-text on the next line:",
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"inputType": "binary",
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"options": {}
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},
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"type": "@n8n/n8n-nodes-langchain.googleGemini",
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"typeVersion": 1,
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"position": [
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672,
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0
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],
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"id": "9b1cdf52-79ce-4a87-966a-8ec86ccbe20f",
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"name": "Analyze an image",
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"retryOnFail": true,
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"executeOnce": true,
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"credentials": {
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"googlePalmApi": {
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"id": "6ixlh1w0T5DaBTt7",
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"name": "memebot"
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}
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}
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},
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{
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"parameters": {
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"jsCode": "// Loop over input items and extract the image URL from the 'content' field\nfor (const item of $input.all()) {\n const content = item.json.content;\n\n // Use a regex to extract the image URL from the <img> tag\n const imgUrlMatch = content.match(/<img[^>]+src=\"([^\">]+)\"/);\n\n // If a match is found, add it to the new field 'imageUrl'\n item.json.imageUrl = imgUrlMatch ? imgUrlMatch[1] : null; // Set to null if no match found\n}\n\nreturn $input.all();\n"
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},
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"type": "n8n-nodes-base.code",
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"typeVersion": 2,
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"position": [
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224,
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0
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],
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"id": "fa26fc20-cc25-4c1e-b6e1-119495345bf1",
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"name": "Extract Image URL"
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},
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{
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"parameters": {
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"method": "POST",
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"url": "https://mastodon.social/api/v2/media",
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"authentication": "genericCredentialType",
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"genericAuthType": "httpBearerAuth",
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"sendBody": true,
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"contentType": "multipart-form-data",
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"bodyParameters": {
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"parameters": [
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{
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"parameterType": "formBinaryData",
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"name": "file",
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"inputDataFieldName": "data"
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},
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{
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"name": "description",
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"value": "=AI Generated Alt-Text:\n{{ $json.content.parts[0].text }}"
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}
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]
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},
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"options": {}
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},
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"type": "n8n-nodes-base.httpRequest",
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"typeVersion": 4.3,
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"position": [
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1120,
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0
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],
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"id": "bab8c886-65d6-465b-9db4-8e124459e0dc",
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"name": "Upload Image",
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"retryOnFail": true,
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"executeOnce": false,
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"credentials": {
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"httpBearerAuth": {
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"id": "3yJLjOmfgP4pEaKK",
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"name": "Mastodon: Memebot"
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}
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}
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},
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{
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"parameters": {
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"method": "POST",
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"url": "https://mastodon.social/api/v1/statuses",
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"authentication": "genericCredentialType",
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"genericAuthType": "httpBearerAuth",
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"sendHeaders": true,
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"headerParameters": {
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"parameters": [
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{
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"name": "Idempotency-Key",
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"value": "={{ $('Crypto').item.json.hash }}"
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}
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]
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},
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"sendBody": true,
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"specifyBody": "json",
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"jsonBody": "={\n \"status\": \"{{ $('RSS Read').item.json.title }}\\n\\n({{ $('RSS Read').item.json.title }})\",\n \"media_ids\": [\n \"{{ $json.id }}\"\n ]\n}\n",
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"options": {}
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},
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"type": "n8n-nodes-base.httpRequest",
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"typeVersion": 4.3,
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"position": [
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1344,
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0
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],
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"id": "a03a540d-0896-4c48-8a0e-edb875b4fa3e",
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"name": "Post Status",
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"retryOnFail": true,
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"executeOnce": true,
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"credentials": {
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"httpBearerAuth": {
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"id": "3yJLjOmfgP4pEaKK",
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"name": "Mastodon: Memebot"
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}
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}
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},
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{
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"parameters": {
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"url": "={{ $('Extract Image URL').item.json.imageUrl }}",
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"sendHeaders": true,
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"headerParameters": {
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"parameters": [
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{
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"name": "User-Agent",
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"value": "Wget/1.21 (linux-gnu) +http://www.gnu.org/software/wget/"
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},
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{
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"name": "Accept",
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"value": "image/webp,image/apng,image/*,*/*;q=0.8"
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}
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]
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},
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"options": {}
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},
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"type": "n8n-nodes-base.httpRequest",
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"typeVersion": 4.3,
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"position": [
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464,
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0
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],
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"id": "ae6e8993-5cad-4398-9b0e-72c9b78f1d34",
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"name": "Download Image",
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"retryOnFail": true,
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"executeOnce": true
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},
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{
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"parameters": {
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"value": "={{ $('Extract Image URL').item.json.imageUrl }}",
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"dataPropertyName": "hash"
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},
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"type": "n8n-nodes-base.crypto",
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"typeVersion": 1,
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"position": [
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896,
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0
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],
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"id": "4a1f1a7d-3e08-475a-99c0-6dca4560aad6",
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"name": "Crypto",
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"executeOnce": true
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},
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{
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"parameters": {
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"url": "https://rss.husch.ovh/?action=display&bridge=FilterBridge&url=https%3A%2F%2Frss.husch.ovh%2F%3Faction%3Ddisplay%26bridge%3DRedditBridge%26context%3Dsingle%26r%3Dmemes%26f%3D%26score%3D%26min_comments%3D-1%26d%3Dhot%26t%3Dweek%26search%3D%26frontend%3Dhttps%253A%252F%252Fold.reddit.com%26format%3DAtom&name=&filter=%3Cimg&filter_type=permit&target_content=on&length_limit=-1&format=Atom",
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"options": {}
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},
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"type": "n8n-nodes-base.rssFeedRead",
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"typeVersion": 1.2,
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"position": [
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0,
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0
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],
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"id": "96e26311-ba0d-4137-a0b7-81acbd91e127",
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"name": "RSS Read",
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"retryOnFail": true,
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"executeOnce": true
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},
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{
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"parameters": {
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"rule": {
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"interval": [
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{
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"field": "hours",
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"hoursInterval": 3
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}
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]
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}
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},
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"type": "n8n-nodes-base.scheduleTrigger",
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"typeVersion": 1.3,
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"position": [
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-160,
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0
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],
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"id": "99fe9ea9-1d30-4f7a-ab64-60d9e8d57262",
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"name": "Schedule Trigger"
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}
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],
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"pinData": {},
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"connections": {
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"Analyze an image": {
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"main": [
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[
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{
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"node": "Crypto",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Extract Image URL": {
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"main": [
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[
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{
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"node": "Download Image",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Upload Image": {
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"main": [
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[
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{
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"node": "Post Status",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Download Image": {
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"main": [
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[
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{
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"node": "Analyze an image",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Crypto": {
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"main": [
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[
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{
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"node": "Upload Image",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"RSS Read": {
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"main": [
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[
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{
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"node": "Extract Image URL",
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"type": "main",
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"index": 0
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}
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]
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]
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},
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"Schedule Trigger": {
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"main": [
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[
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{
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"node": "RSS Read",
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"type": "main",
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"index": 0
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}
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]
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]
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}
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},
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"active": true,
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"settings": {
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"executionOrder": "v1"
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},
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"versionId": "b47dad07-28cb-42ea-9973-0311b2825732",
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"meta": {
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"templateCredsSetupCompleted": true,
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"instanceId": "20a72c777fdd0d77d5ad72a51179a06b6bcb946f6b9ad6ad9eda8698d56252f0"
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},
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"id": "nCPen92lZuTouyE0",
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"tags": []
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}
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