refactor(meta-ads): replace OAuth with direct token authentication

- Remove OAuth PKCE flow from main.ts
- Update getMetaAccessToken to use META_ACCESS_TOKEN environment variable
- Update README with token-based authentication instructions
- Update GitHub Actions workflows to use META_ACCESS_TOKEN secret
- Update SECRETS.md documentation for token-based auth
- Remove OAuth-related constants and comments

Author: JonasJesus42

.github/workflows/SECRETS.md

@@ -34,10 +34,13 @@ This document lists all secrets required to deploy MCPs via GitHub Actions.
 - **`PINECONE_INDEX`**: Pinecone index name (if required)
 
 ### MCP: `meta-ads`
-- **`META_APP_ID`**: Facebook App ID for Meta Ads
-  - Obtain at: https://developers.facebook.com/apps/
-- **`META_APP_SECRET`**: Facebook App Secret for Meta Ads
-  - Obtain at: https://developers.facebook.com/apps/ (Settings > Basic)
+- **`META_ACCESS_TOKEN`**: Facebook Access Token for Meta Ads API
+  - Obtain at: https://developers.facebook.com/tools/explorer/
+  - Select your app and generate token with required permissions:
+    - `ads_read` - Read ad information
+    - `ads_management` - Manage ads
+    - `pages_read_engagement` - Read associated pages
+    - `business_management` - Access business accounts
 
 ## How to Add Secrets on GitHub
 

.github/workflows/deploy-preview.yml

@@ -80,8 +80,7 @@ jobs:
           APIFY_API_TOKEN: ${{ secrets.APIFY_API_TOKEN }}
           REPLICATE_API_TOKEN: ${{ secrets.REPLICATE_API_TOKEN }}
           PERPLEXITY_API_KEY: ${{ secrets.PERPLEXITY_API_KEY }}
-          META_APP_ID: ${{ secrets.META_APP_ID }}
-          META_APP_SECRET: ${{ secrets.META_APP_SECRET }}
+          META_ACCESS_TOKEN: ${{ secrets.META_ACCESS_TOKEN }}
 
       - name: Save deployment info
         if: steps.deploy.outputs.preview_url

.github/workflows/deploy.yml

@@ -74,8 +74,7 @@ jobs:
           APIFY_API_TOKEN: ${{ secrets.APIFY_API_TOKEN }}
           REPLICATE_API_TOKEN: ${{ secrets.REPLICATE_API_TOKEN }}
           PERPLEXITY_API_KEY: ${{ secrets.PERPLEXITY_API_KEY }}
-          META_APP_ID: ${{ secrets.META_APP_ID }}
-          META_APP_SECRET: ${{ secrets.META_APP_SECRET }}
+          META_ACCESS_TOKEN: ${{ secrets.META_ACCESS_TOKEN }}
 
       - name: Notify success
         if: success()

meta-ads/app.json

@@ -5,7 +5,7 @@
     "type": "HTTP",
     "url": "https://sites-meta-ads.decocache.com/mcp"
   },
-  "description": "Meta Ads Analytics - Analyze performance of Meta/Facebook advertising campaigns with detailed insights and metrics",
+  "description": "https://developers.facebook.com/tools/explorer/ - Meta Ads Analytics - Analyze performance of Meta/Facebook advertising campaigns with detailed insights and metrics",
   "icon": "https://upload.wikimedia.org/wikipedia/commons/thumb/0/05/Facebook_Logo_%282019%29.png/1200px-Facebook_Logo_%282019%29.png",
   "unlisted": false
 }