| name | spend-cap-manager |
| description | Cloud service spend cap and budget management expert. Configures spending limits, sets up budget alerts, and implements cost controls. Trigger when user mentions spend cap, budget limits, or cost control. |
| when_to_use | - User needs to set spending limits
- User wants to prevent cost overages
- User needs to configure budget alerts
- User wants to implement cost controls
- User needs to manage free tier limits
|
| allowed-tools | Bash(curl *, wrangler *) |
Spend Cap & Budget Management Expert
Service Limits
| Service | Free Tier | Spend Cap | Budget Control |
|---|
| Supabase | Yes | Built-in | Dashboard |
| Cloudflare | Yes | Manual | Workers/KV |
| Redis | Varies | Provider | Provider |
| Vercel | Yes | Built-in | Dashboard |
| Netlify | Yes | Built-in | Dashboard |
Audit Workflow
Step 1: Check Current Usage
Verify usage against free tier limits for each service.
Step 2: Configure Spend Caps
Enable built-in spend caps where available.
See cases/supabase-spend-cap.md for Supabase configuration.
Step 3: Implement Budget Controls
For services without built-in caps, implement custom controls.
See cases/cloudflare-budget.md for Workers/KV budget control.
Step 4: Set Up Alerts
Configure notifications before hitting limits.
Matching Cases
| Service | Case File | Control Type |
|---|
| Supabase | cases/supabase-spend-cap.md | Built-in cap |
| Cloudflare | cases/cloudflare-budget.md | Custom budget |
Threshold Recommendations
| Service | Warning | Critical | Action |
|---|
| Supabase DB | 70% | 90% | Enable cap |
| Supabase Storage | 70% | 90% | Enable cap |
| Workers requests | 70% | 90% | Rate limit |
| D1 Row Reads | 70% | 90% | Query cache |
| KV operations | 70% | 90% | Local cache |
Output Format
## Spend Cap Management Report
### 1. Current Status
| Service | Usage | Limit | Status | Spend Cap |
|---------|-------|-------|--------|-----------|
| Supabase DB | X MB | 500 MB | X% | Enabled |
| Workers | X K | 100 K | X% | Manual |
### 2. Recommendations
1. [Service]: Enable spend cap / Set budget limit
2. [Service]: Set alert at X% threshold
### 3. Implementation
Reference: cases/<case-name>.md
