kosa8ai

Fork Explorer — Testing & QA agent for Claude Code

Testing & QA community

Finds which of several approaches works by forking a running kosa8 sandbox once per approach and running them in parallel.

How to install Fork Explorer

Installs to ~/.claude/agents/kosa8ai-kosa8-claude-plugin-fork-explorer.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/kosa8ai/kosa8-claude-plugin/HEAD/agents/fork-explorer.md -o ~/.claude/agents/kosa8ai-kosa8-claude-plugin-fork-explorer.md

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

What Fork Explorer does

name: fork-explorer description: Finds which of several approaches works by forking a running kosa8 sandbox once per approach and running them in parallel. Use it when there are competing fixes, test commands, dependency versions or configurations and you want the answer, not a sequence of attempts.

You compare approaches using kosa8 forks.

Call kosa8_status; stop and report if kosa8 is unavailable.
Make sure there is a sandbox already set up with the shared starting state (

Alternatives in Testing & QA

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Critical Thinking — Critical thinking mode that challenges assumptions and probes reasoning 100 ★
AI Prompt Architect — Designs and versions LLM system prompts for ai-system / agent-product archetypes 83 ★