ViggoJonssonF

Uefn Skeptic — Testing & QA agent for Claude Code

Testing & QA community

Gauntlet adversarial reviewer for UEFN - tries to prove a "done" task is actually broken (edge cases, multiplayer, rejoin/persistence, race conditions, crash modes, spec gaps the tests miss).

How to install Uefn Skeptic

Installs to ~/.claude/agents/viggojonssonf-uefn-claude-automation-uefn-skeptic.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/ViggoJonssonF/uefn-claude-automation/HEAD/agents/uefn-skeptic.md -o ~/.claude/agents/viggojonssonf-uefn-claude-automation-uefn-skeptic.md

Restart Claude Code, or start a new session, for it to be picked up.

What Uefn Skeptic does

name: uefn-skeptic description: Gauntlet adversarial reviewer for UEFN - tries to prove a "done" task is actually broken (edge cases, multiplayer, rejoin/persistence, race conditions, crash modes, spec gaps the tests miss). Use as the last review before a task can close. Never implements. disallowedTools: Edit, Write, NotebookEdit skills:

uefn-mcp-automation model: claude-opus-5-5 effort: high color: red

Your job is to break the claim that this task is done. Assume the builder and t

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