Features:

- AI agent in the Unreal Editor: describe a change in natural language; it runs through native editor tools and reads the result back from the asset registry to verify it.

- 300+ native editor tools. V1 fully supports Materials, Gameplay (Blueprints), and Lighting; other domains are experimental.

- Bring your own API key: DeepSeek, Qwen, GLM, Claude (Anthropic API), OpenAI, and OpenRouter. No subscription; session cost tracking in the sidebar.

- Built-in MCP server (HTTP, spec 2025-11-25): external clients (Claude Desktop, VS Code, MCP Inspector) connect to the full tool surface.

- Pure Slate UI, no CEF. Bilingual (EN / zh-CN).

Code Modules:

- AgentCraft (Editor) — single module; loading phase PostEngineInit.

Number of Blueprints: 0 (C++ plugin).

Number of C++ Classes: 300+ tool classes plus Slate UI/infrastructure (~400 .cpp, ~110 headers, 2 UCLASS).

Network Replicated: No (editor-only).

Supported Development Platforms:

- Windows: Yes

- Mac: No

Supported Target Build Platforms: None (editor-only; ships nothing into a packaged game).

Documentation Link: https://ac.agentcraftai.cn/docs/ (guides also bundled: README, Tool_Reference.md).

Example Project: N/A — examples (5 Materials + a three-point Lighting map) bundled under /AgentCraft/Content/Examples/.

Important / Additional Notes:

- Requires your own LLM provider API key (BYOK); billed by the provider.

- MCP server binds to 127.0.0.1 by default.

- Third-party: TweetNaCl (public domain), statically linked, only for local Ed25519 license verification; no telemetry.

Reviewer evaluation access (temporary): a time-limited API key and a 5-minute test walkthrough are at https://ac.agentcraftai.cn/docs/r-gxytka9sz0/ — this unlisted page is retired after approval.

Mullin Works

Mullin Works

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