Claude Code
Claude Code is Anthropic's official agentic coding tool and one of the best agents for programming tasks.

Claude Code is the default suggested agent for NeoStack AI. In current stage, you almost get ~2000$ worth of API usage with a Claude Max subscription which is only 200$ per month. This makes using models like Opus 4.5 which are BEAST for coding tasks extremely cost effective.
Video Tutorial
Prerequisites
- A Claude subscription (Pro, Max, Teams, or Enterprise) or Claude Console account
- Agent Integration Kit plugin installed
You do not need to manually install @zed-industries/claude-code-acp anymore. The ACP adapter is bundled with the plugin.
Step 1: Install Claude Code
curl -fsSL https://claude.ai/install.sh | bashirm https://claude.ai/install.ps1 | iexcurl -fsSL https://claude.ai/install.cmd -o install.cmd && install.cmd && del install.cmdbrew install --cask claude-codewinget install Anthropic.ClaudeCodeVerify installation: claude --version
Step 2: Authenticate Claude Code
Before using Claude Code with the plugin, you must authenticate it first. Open a terminal and run:
claudeFollow the prompts to log in. Authentication methods:
- Claude Max (recommended) - Best value, ~$2000 worth of API usage for $200/month
- Claude Pro - Use your Claude.ai subscription
- API Key - For console.anthropic.com users
You only need to authenticate once. Claude Code will remember your credentials.
Step 3: Use Claude Code in Unreal
Open the Agent Chat window in Unreal and select Claude Code.
Plugin Settings
| Setting | Description |
|---|---|
| Claude Code CLI | Optional path override to claude executable (leave blank for auto-detect) |
| Bun/Node Runtime Override | Advanced override for adapter runtime; leave blank to use bundled runtime |
Troubleshooting
| Issue | Solution |
|---|---|
Query closed before response received | Run claude in terminal and complete login again, then retry in Unreal |
| Claude not found | Run claude --version; if missing, install Claude Code and set Claude Code CLI path override |
| Authentication issues | Run claude in terminal to re-authenticate |
| No response from agent | Check the in-app auth banner and complete sign-in flow |