Update TOOLS.md with blog-backup CLI documentation

TOOLS.md

@@ -70,11 +70,72 @@ git push origin main
 ## Blog Backup
 - **Location:** /Users/mattbruce/Documents/Projects/OpenClaw/Web/blog-backup
 - **Live URL:** https://blog-backup-two.vercel.app
+- **API:** https://blog-backup-two.vercel.app/api
 - **Local Dev:** http://localhost:3002
 - **Stack:** Next.js + Supabase + Vercel
 - **Deploy:** `npm run build && vercel --prod` (no GitHub, CLI only)
 - **Features:** Daily digest blog with tag filtering, search, responsive design
 
+### API Key
+- **Cron Job:** `daily-digest-2026-secure-key`
+- **Usage:** Set in Vercel environment as `CRON_API_KEY`
+- **In Skill:** `export BLOG_MACHINE_TOKEN="daily-digest-2026-secure-key"`
+- **Skill Location:** `~/.agents/skills/blog-backup/`
+
+### CLI Access
+
+**Location:** `/Users/mattbruce/Documents/Projects/OpenClaw/Web/blog-backup/scripts/`
+
+**Script:** `blog.sh` - Digest management (create, list, get, delete, search, status)
+
+**Quick Examples:**
+```bash
+cd /Users/mattbruce/Documents/Projects/OpenClaw/Web/blog-backup
+
+# Create a digest
+./scripts/blog.sh post \
+    --date 2026-02-26 \
+    --content "# Daily Digest" \
+    --tags '["AI", "iOS"]'
+
+# List recent digests
+./scripts/blog.sh list --limit 10 --json
+
+# Get specific digest
+./scripts/blog.sh get 1234567890
+
+# Search digests
+./scripts/blog.sh search "OpenClaw"
+
+# Check if digest exists for date
+./scripts/blog.sh status 2026-02-26
+
+# Check API health
+./scripts/blog.sh health
+```
+
+### Skill Usage
+```bash
+source ~/.agents/skills/blog-backup/lib/blog.sh
+export BLOG_MACHINE_TOKEN="daily-digest-2026-secure-key"
+export BLOG_API_URL="https://blog-backup-two.vercel.app/api"
+
+# Create a digest
+DIGEST_ID=$(blog_post_create \
+    --date "2026-02-26" \
+    --content "# Daily Digest" \
+    --tags '["AI", "iOS"]')
+
+# List digests
+blog_post_list --limit 10 --json
+
+# Get specific digest
+blog_post_get "1234567890"
+
+# Search digests
+blog_post_search "OpenClaw"
+```
+
 ## Mission Control
 - **Location:** /Users/mattbruce/Documents/Projects/OpenClaw/Web/mission-control
 - **Live URL:** https://mission-control-rho-pink.vercel.app/