How do I install the Spend Cap Manager skill?

Run npx skillmds@latest add huifer/spend-cap-manager in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Spend Cap Manager safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Spend Cap Manager?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Spend Cap Manager free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Spend Cap Manager?

huifer (@huifer) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Spend Cap Manager by huifer — Agent Skill

Name: Spend Cap Manager
Author: huifer

Spend Cap Manager

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.

huifer 7cc810f 7 files · 17.6 KB Updated Sep 17, 2026

File contents

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

---name: spend-cap-managerdescription: 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.---# 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 UsageVerify usage against free tier limits for each service.### Step 2: Configure Spend CapsEnable built-in spend caps where available.See `cases/supabase-spend-cap.md` for Supabase configuration.### Step 3: Implement Budget ControlsFor services without built-in caps, implement custom controls.See `cases/cloudflare-budget.md` for Workers/KV budget control.### Step 4: Set Up AlertsConfigure 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. Recommendations1. [Service]: Enable spend cap / Set budget limit2. [Service]: Set alert at X% threshold### 3. ImplementationReference: cases/<case-name>.md```

Frequently asked questions