A production-grade budget monitoring framework that safeguards against catastrophic API spending through tiered automated responses.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install cost-control
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install cost-control using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Cost Control 3-Tier API Spend Protection?
Cost Control 3-Tier API Spend Protection is a specialized utility designed to act as a financial firewall for developers utilizing high-cost AI models and cloud infrastructure. By integrating this into your Openclaw Skills workflow, you can programmatically prevent the financial fallout associated with infinite loops, prompt injection, or misconfigured scaling. The system provides a multi-layered defense strategy that transitions from simple warnings to hard process termination when budget thresholds are exceeded.
Originally battle-tested in high-frequency trading environments, this skill has been generalized to support any API that charges per token, request, or compute unit. It provides developers with the peace of mind needed to deploy autonomous agents, knowing that their exposure is capped by rigid, state-persistent logic that survives application restarts.
Cost Control 3-Tier API Spend Protection Use Cases
- Preventing infinite response loops in AI agents using expensive models like GPT-4 or Claude Opus.
- Safeguarding against excessive serverless function invocations or expensive database queries in cloud environments.
- Managing SMS, email, and data enrichment budgets for third-party services like Twilio or Stripe.
- Setting hard financial caps on GPU compute time and batch inference jobs during machine learning research.
How Cost Control 3-Tier API Spend Protection Works
- The developer initializes the CostTracker with specific monetary thresholds for caution, emergency, and hard daily caps.
- Before executing any expensive operation, the application queries the tracker to determine if the call is allowed.
- Upon receiving a response from the provider, the actual usage metrics are recorded to update the rolling cost windows.
- If a caution threshold is hit, the system triggers a throttle to slow down operation frequency.
- If the emergency threshold is breached, the system writes a persistent flag and blocks all subsequent API calls until manual intervention occurs.
- An optional external watchdog monitors the state independently and can kill the process if logical failures occur within the main application.
Cost Control 3-Tier API Spend Protection Setup
1. Installation
pip install cost-control-system
2. Basic Configuration
Initialize the tracker within your application logic:
from cost_control import CostTracker
tracker = CostTracker(
cost_caution_15min=3.00, # Warning at $3/15min
cost_emergency_15min=5.00, # Emergency at $5/15min
cost_daily_cap=25.00 # Hard cap at $25/day
)
3. Usage Integration
Wrap your API calls with checking logic:
allowed, reason = tracker.is_call_allowed()
if allowed:
response = call_expensive_api()
tracker.record_call(response.input_tokens, response.output_tokens)
Cost Control 3-Tier API Spend Protection Data Schema & Taxonomy
The system utilizes a local state directory to ensure budget tracking persists across application crashes or restarts.
| Data Component | Format | Function |
|---|---|---|
| cost_log.jsonl | JSONL | Maintains a rotating log of the last 10,000 API transactions. |
| cost_emergency.flag | File | A physical flag that, when present, prevents the application from initiating new requests. |
| state/ | Directory | Stores rolling window metrics (5min, 15min, 1hr) and daily UTC totals. |
Cost Control 3-Tier API Spend Protection Advanced Features
- External Watchdog: A secondary cron-based process that acts as a final kill switch if the primary application logic fails.
- Custom Pricing Profiles: Ability to define per-million token rates, per-request fixed costs, or compute-hour pricing.
- Alert Callbacks: Integration points for sending urgent notifications to Discord, Slack, or email via custom functions.
- Recovery Logic: Configurable duration requirements that ensure cost velocity has stabilized before exiting caution mode.
SKILL.md
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