Generate unit tests for specified functions using Codex MCP
Scanned 9/4/2026
Install to Claude Code
Skills Directorynpx -y skills add sd0xdev/sd0x-harness --skill codex-test-gen --agent claude-codeInstalls into .claude/skills of the current project.
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---
name: codex-test-gen
description: "Generate unit tests for specified functions using Codex MCP"
allowed-tools: mcp__codex__codex, mcp__codex__codex-reply, Read, Grep, Glob, Write
---
# Codex Test Gen
Thin entry-point skill — routes to the parent skill for full workflow.
## Parent Skill
This skill delegates to `test-review` for the underlying Codex MCP infrastructure. The generation-specific prompt template is at `@skills/test-review/references/codex-prompt-test-gen.md`.
See `@skills/test-review/SKILL.md`
## Variant
This is the **Generation** variant — creates new unit tests for specified functions.
## Trigger
- Keywords: generate tests, write tests, create tests, codex-test-gen
## When NOT to Use
- Reviewing existing test coverage (use `/codex-test-review`)
- Code review (use `/codex-review-fast`)
- Writing integration/e2e tests (use `/post-dev-test`)
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Adversarial multi-agent planning skill. Self-orchestrates 5 hostile category members (unspecified-low, unspecified-high, deep, ultrabrain, artistry) via team-mode for ruthless cross-critique debate, distills only the defensible insights, then MANDATORILY hands the distilled insight bundle to the `plan` agent for executable plan formalization. Use when planning needs maximum rigor and surfacing of weak assumptions, blind spots, and over-engineering. Triggers: 'hyperplan', 'hpp', '/hyperplan', ...
