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ClaudeWave
Install in Claude Code
Copy
mkdir -p ~/.claude/commands && curl -fsSL https://raw.githubusercontent.com/agentclientprotocol/claude-agent-acp/HEAD/src/tests/.claude/commands/say-hello.md -o ~/.claude/commands/say-hello.md
Then start a new Claude Code session; the slash command loads automatically.

say-hello.md

Respond with "Hello $ARGUMENTS" and nothing else.