GitHub Webhook → Notion Repository Sync

The workflow JSON

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{
  "name": "GitHub Processing Workflow",
  "nodes": [
    {
      "parameters": {
        "httpMethod": "POST",
        "path": "github-processor",
        "responseMode": "responseNode",
        "options": {}
      },
      "id": "github-webhook",
      "name": "GitHub Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        240,
        300
      ]
    },
    {
      "parameters": {
        "jsCode": "// Extract GitHub URL from bookmark data\nconst bookmarkData = $input.all()[0].json;\nconst tweetText = bookmarkData.tweet_details?.text || '';\n\n// Extract GitHub URLs using regex\nconst githubUrlRegex = /https?:\\/\\/(www\\.)?github\\.com\\/[^\\s]+/g;\nconst urls = tweetText.match(githubUrlRegex) || [];\n\nif (urls.length === 0) {\n  throw new Error('No GitHub URLs found in bookmark');\n}\n\nconst primaryUrl = urls[0];\n\n// Parse repository info\nconst repoMatch = primaryUrl.match(/github\\.com\\/([^\\/]+)\\/([^\\/\\?#]+)/);\nif (!repoMatch) {\n  throw new Error('Invalid GitHub repository URL');\n}\n\nconst owner = repoMatch[1];\nconst repo = repoMatch[2];\n\nreturn {\n  bookmark_id: bookmarkData.post_id,\n  github_url: primaryUrl,\n  owner: owner,\n  repo: repo,\n  full_name: `${owner}/${repo}`,\n  tweet_author: bookmarkData.author_details?.name || 'Unknown',\n  tweet_text: tweetText\n};"
      },
      "id": "extract-github-info",
      "name": "Extract GitHub Info",
      "type": "n8n-nodes-base.code",
      "typeVersion": 2,
      "position": [
        460,
        300
      ]
    },
    {
      "parameters": {
        "method": "GET",
        "url": "=https://api.github.com/repos/{{$json.full_name}}",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Authorization",
              "value": "=Bearer {{$credentials.githubToken}}"
            },
            {
              "name": "Accept",
              "value": "application/vnd.github.v3+json"
            }
          ]
        }
      },
      "id": "get-repo-info",
      "name": "Get Repository Info",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.1,
      "position": [
        680,
        300
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "=https://api.github.com/repos/{{$json.full_name}}/codespaces",
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Authorization",
              "value": "=Bearer {{$credentials.githubToken}}"
            },
            {
              "name": "Accept",
              "value": "application/vnd.github.v3+json"
            },
            {
              "name": "Content-Type",
              "value": "application/json"
            }
          ]
        },
        "sendBody": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "machine",
              "value": "basicLinux32gb"
            },
            {
              "name": "display_name",
              "value": "=TweetSmash-{{$json.name}}"
            }
          ]
        }
      },
      "id": "create-codespace",
      "name": "Create Codespace",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.1,
      "position": [
        900,
        300
      ]
    },
    {
      "parameters": {
        "method": "POST",
        "url": "{{$credentials.notionWebhookUrl}}",
        "sendHeaders": true,
        "headerParameters": {
          "parameters": [
            {
              "name": "Authorization",
              "value": "=Bearer {{$credentials.notionToken}}"
            },
            {
              "name": "Content-Type",
              "value": "application/json"
            }
          ]
        },
        "sendBody": true,
        "bodyParameters": {
          "parameters": [
            {
              "name": "parent",
              "value": "={\"database_id\": \"{{$credentials.notionDatabaseId}}\"}"
            },
            {
              "name": "properties",
              "value": "={\n  \"Name\": {\n    \"title\": [{\n      \"text\": {\n        \"content\": \"GitHub: \" + $json.name\n      }\n    }]\n  },\n  \"URL\": {\n    \"url\": $json.html_url\n  },\n  \"Tags\": {\n    \"multi_select\": [\n      {\"name\": \"github\"},\n      {\"name\": \"codespace\"},\n      {\"name\": \"repository\"}\n    ]\n  },\n  \"Source\": {\n    \"select\": {\n      \"name\": \"TweetSmash\"\n    }\n  }\n}"
            },
            {
              "name": "children",
              "value": "=[\n  {\n    \"object\": \"block\",\n    \"type\": \"bookmark\",\n    \"bookmark\": {\n      \"url\": $json.html_url\n    }\n  },\n  {\n    \"object\": \"block\",\n    \"type\": \"paragraph\",\n    \"paragraph\": {\n      \"rich_text\": [{\n        \"type\": \"text\",\n        \"text\": {\n          \"content\": \"Codespace created: \" + ($node[\"Create Codespace\"].json.web_url || \"Manual creation required\")\n        }\n      }]\n    }\n  }\n]"
            }
          ]
        }
      },
      "id": "save-to-notion",
      "name": "Save to Notion",
      "type": "n8n-nodes-base.httpRequest",
      "typeVersion": 4.1,
      "position": [
        1120,
        300
      ]
    },
    {
      "parameters": {
        "respondWith": "json",
        "responseBody": "={\n  \"success\": true,\n  \"repository\": $json.full_name,\n  \"codespace_url\": $node[\"Create Codespace\"].json.web_url || \"Check GitHub for codespace\",\n  \"notion_page\": $node[\"Save to Notion\"].json.url || \"Saved to Notion\"\n}"
      },
      "id": "github-response",
      "name": "GitHub Response",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1,
      "position": [
        1340,
        300
      ]
    }
  ],
  "connections": {
    "GitHub Webhook": {
      "main": [
        [
          {
            "node": "Extract GitHub Info",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Extract GitHub Info": {
      "main": [
        [
          {
            "node": "Get Repository Info",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Get Repository Info": {
      "main": [
        [
          {
            "node": "Create Codespace",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Create Codespace": {
      "main": [
        [
          {
            "node": "Save to Notion",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Save to Notion": {
      "main": [
        [
          {
            "node": "GitHub Response",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": true,
  "settings": {},
  "versionId": "1",
  "id": "2",
  "tags": []
}

About this workflow

GitHub Processing Workflow. Uses httpRequest. Webhook trigger; 6 nodes.

Source: https://github.com/HarleyCoops/TweetSmash/blob/bcb72c84fb561a618b8f55c2a26d4b537ef447e5/n8n-workflows/github-workflow.json — original creator credit. Request a take-down →

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