grtninja/model-usage
skill-candidates/model-usage/SKILL.md
Summarize per-model usage cost from local CodexBar cost JSON. Use when you need current-model or all-model cost breakdowns for Codex or Claude usage.
$ install --global
skillsauthnpx skillsauth add grtninja/skill-arbiter model-usageInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 5, 2026, 2:21 PM272.6s4 files scanned
SKILL.md
- name:
- model-usage
- description:
- Summarize per-model usage cost from local CodexBar cost JSON. Use when you need current-model or all-model cost breakdowns for Codex or Claude usage.
Model Usage
Use this skill to report model-level usage cost from local CodexBar data.
Workflow
- Load cost data from
codexbar cost --format jsonor from a saved JSON file. - Choose
currentfor the most recent model signal, orallfor aggregate breakdown. - Emit text or JSON output for downstream planning docs.
- Feed this output into
usage-watcherandskill-cost-credit-governorwhen needed.
Current Model Summary
python3 "$CODEX_HOME/skills/model-usage/scripts/model_usage.py" \
--provider codex \
--mode current
Full Model Breakdown
python3 "$CODEX_HOME/skills/model-usage/scripts/model_usage.py" \
--provider codex \
--mode all \
--format json \
--pretty
File/Stdin Input
python3 "$CODEX_HOME/skills/model-usage/scripts/model_usage.py" \
--provider claude \
--input /tmp/codexbar-cost.json \
--mode all
Guardrails
- Use local input only in this lane.
- Do not commit raw usage exports that include personal metadata.
- Keep derived summaries in JSON/text artifacts under
.tmp/for reproducible review.
Scope Boundary
Use this skill only for model-level usage summarization.
Do not use this skill for billing exports, payment actions, or account mutation.
References
references/codexbar-cli.md
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