# Invalid Execution Parameter

> Exercises detection of harness-owned execution parameters.

- Skill: `shipshitdev/invalid-execution-parameter` (Agent Skill)
- Install (CLI): `npx skillmds@latest add shipshitdev/invalid-execution-parameter`
- Raw SKILL.md: https://api.skillmd.com/api/skills/shipshitdev/invalid-execution-parameter/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: shipshitdev (https://skillmd.com/u/shipshitdev)
- Updated: 2026-09-21
- Page: https://skillmd.com/skills/shipshitdev/invalid-execution-parameter

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# Invalid Execution Parameter Fixture

Export `CODEX_EFFORT=high` before running the reusable prompt.