openrouter-usagelisted
Install: claude install-skill tdimino/claude-code-minoan
# OpenRouter Usage
Query OpenRouter API costs and generate usage reports via the command line.
## When to Use
- Checking OpenRouter spend over the last 30 days
- Breaking down costs by model, provider, or date
- Exporting usage data as CSV or JSON for accounting
- Auditing which models and API keys consume the most credits
## Prerequisites
- `OPENROUTER_API_KEY` environment variable (or in a project `.env` file)
- The key **must be a Management key** — create one at https://openrouter.ai/settings/management-keys
- Regular provisioning keys return 401/403 on analytics endpoints
## Usage
```bash
# Full 30-day summary with credits balance
python3 ~/.claude/skills/openrouter-usage/scripts/openrouter_usage.py
# Filter to a single date
python3 ~/.claude/skills/openrouter-usage/scripts/openrouter_usage.py --date 2026-02-01
# Export as CSV (for spreadsheets)
python3 ~/.claude/skills/openrouter-usage/scripts/openrouter_usage.py --csv
# Raw JSON output (for piping to jq)
python3 ~/.claude/skills/openrouter-usage/scripts/openrouter_usage.py --json
# Skip credits lookup (activity only)
python3 ~/.claude/skills/openrouter-usage/scripts/openrouter_usage.py --no-credits
```
## Output
The default report includes:
- **Credits balance**: total purchased, used, remaining
- **Spend by model**: per-model cost with token counts (prompt, completion, reasoning)
- **Spend by provider**: aggregated by provider (OpenAI, Anthropic, Google, etc.)
- **Spend by date**: daily spend with visual