Quota Management

---
name: quota-management
description: "Tracks quotas, monitors thresholds, and degrades gracefully for rate-limited APIs. Use when integrating external services that impose rate or cost limits."
allowed-tools: "[]"
category: business-and-finance
source_repo: athola/claude-night-market
source_path: "plugins/leyline/skills/quota-management/SKILL.md"
source_url: https://github.com/athola/claude-night-market/blob/HEAD/plugins/leyline/skills/quota-management/SKILL.md
---

## Table of Contents

- [Overview](#overview)
- [When to Use](#when-to-use)
- [Core Concepts](#core-concepts)
- [Quota Thresholds](#quota-thresholds)
- [Quota Types](#quota-types)
- [Quick Start](#quick-start)
- [Check Quota Status](#check-quota-status)
- [Record Usage](#record-usage)
- [Estimate Before Execution](#estimate-before-execution)
- [Integration Pattern](#integration-pattern)
- [Detailed Resources](#detailed-resources)
- [Exit Criteria](#exit-criteria)


# Quota Management

## Overview

Tracks cumulative token budgets and enforces limits. For per-call logging,
use usage-logging.

Patterns for tracking and enforcing resource quotas across rate-limited
services. This skill provides the infrastructure that other plugins use for
consistent quota handling.

## When To Use

- Building integrations with rate-limited APIs
- Need to track usage across sessions
- Want graceful degradation when limits approached
- Require cost estimation before operations

## When NOT To Use

- Project doesn't use the leyline infrastructure patterns
- Simple scripts without service architecture needs

## Core Concepts

### Quota Thresholds

Three-tier threshold system for proactive management:

| Level | Usage | Action |
|-------|-------|--------|
| **Healthy** | <80% | Proceed normally |
| **Warning** | 80-95% | Alert, consider batching |
| **Critical** | >95% | Defer non-urgent, use secondary services |

### Quota Types

```python
@dataclass
class QuotaConfig:
    requests_per_minute: int = 60
    requests_per_day: int = 1000
    tokens_per_minute: int = 100000
    tokens_per_day: int = 1000000
```

## Quick Start

### Check Quota Status
```python
from leyline.quota_tracker import QuotaTracker

tracker = QuotaTracker(service="my-service")
status, warnings = tracker.get_quota_status()

if status == "CRITICAL":
    # Defer or use secondary service
    pass
```

### Record Usage
```python
tracker.record_request(
    tokens=estimated_tokens,
    success=True,
    duration=elapsed_seconds
)
```

### Estimate Before Execution
```python
can_proceed, issues = tracker.can_handle_task(estimated_tokens)
if not can_proceed:
    print(f"Quota issues: {issues}")
```

## Integration Pattern

Other plugins reference this skill:

```yaml
# In your skill's frontmatter
dependencies: [leyline:quota-management]
```

Then use the shared patterns:
1. Initialize tracker for your service
2. Check quota before operations
3. Record usage after operations
4. Handle threshold warnings gracefully

## Detailed Resources

- **Threshold Strategies**: See `modules/threshold-strategies.md` for degradation patterns
- **Estimation Patterns**: See `modules/estimation-patterns.md` for token/cost estimation

## Exit Criteria

- Quota status checked before operation
- Usage recorded after operation
- Threshold warnings handled appropriately

---

**Source:** [`athola/claude-night-market`](https://github.com/athola/claude-night-market) → `plugins/leyline/skills/quota-management/SKILL.md`