ue-mcp-blueprint

ue-mcp-blueprint is a skill for Claude Code, Codex from Cooperzheng/ue-dev-playbook. It costs 55 tokens per session (2,987 once invoked), scanned A, original, MIT.

A guide for using MCP tools to create and edit Unreal Engine projects, including Blueprints, widgets, and gameplay logic. Unreal Engine is software for making games and interactive 3D applications; Blueprints are its visual programming system.

In plain words
What is it for?
Creating and modifying Blueprints, adding nodes and components, building UI widgets, configuring gameplay logic, and working with Unreal Engine StateTree-related editor operations.
Why use it?
It gives the agent the action names, parameters, and order needed to safely perform Unreal Editor operations through MCP.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Creating and modifying Blueprints, adding nodes and components, building UI widgets, configuring gameplay logic, and working with Unreal Engine StateTree-related editor operations.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/cooperzheng/ue-dev-playbook/ue-mcp-blueprint
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add Cooperzheng/ue-dev-playbook --skill ue-mcp-blueprint
Clone the repo
git clone --depth 1 https://github.com/Cooperzheng/ue-dev-playbook

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for ue-mcp-blueprint

README.md
[![agentmods](https://agentmods.dev/badge/skills/cooperzheng/ue-dev-playbook/ue-mcp-blueprint/github.svg)](https://agentmods.dev/skills/cooperzheng/ue-dev-playbook/ue-mcp-blueprint)
Your own site
<a href="https://agentmods.dev/skills/cooperzheng/ue-dev-playbook/ue-mcp-blueprint"><img src="https://agentmods.dev/badge/skills/cooperzheng/ue-dev-playbook/ue-mcp-blueprint/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for ue-mcp-blueprint

Your own site · 80×15
<a href="https://agentmods.dev/skills/cooperzheng/ue-dev-playbook/ue-mcp-blueprint"><img src="https://agentmods.dev/badge/skills/cooperzheng/ue-dev-playbook/ue-mcp-blueprint.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 55 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,987 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00055 $0.02987
Opus 5 $0.00028 $0.01494
Sonnet 5 $0.00011 $0.00597
Haiku 4.5 $0.00006 $0.00299

Measured 12d ago against content hash 5915a7101e18, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

ue-mcp-blueprint scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/ue-mcp-blueprint/SKILL.md · 234 lines

How it starts

The opening of the file, as written. The whole thing — 234 lines — stays where its author put it; the contents beside it link to each section on GitHub.

UE MCP Blueprint 操作指南

通过 ue-editor-mcp 的 Action 操作 Unreal Engine 编辑器。本 Skill 提供具体的操作流程和参数知识。

核心工作流

所有 MCP 操作遵循三步模式:

1. ue_actions_search("关键词")     → 发现可用 Action
2. ue_actions_schema("action.id")  → 确认参数结构
3. ue_actions_run / ue_batch       → 执行操作

一、蓝图创建与编辑

创建蓝图

ue_batch({
  "actions": [
    {"action_id": "blueprint.create", "params": {"name": "BP_MyActor", "parent_class": "Actor", "path": "/Game/Blueprints"}},
    {"action_id": "blueprint.add_component", "params": {"blueprint_name": "BP_MyActor", "component_type": "StaticMeshComponent", "component_name": "Mesh"}},
    {"action_id": "blueprint.compile", "params": {"blueprint_name": "BP_MyActor"}}
  ]
})

读取蓝图(修改前必做)

  • 概览:blueprint.get_summary → 变量、函数、组件、父类、编译状态
  • 完整快照:blueprint.describe_full → 包含所有图的节点拓扑
  • 单图详情:graph.describe_enhanced → 含完整 PinType、变量引用追踪

变量操作

操作 Action 关键参数
创建 variable.create blueprint_name, variable_name, variable_type(Boolean/Int/Float/String/Vector/Rotator/Transform/UObject类名)
删除 variable.delete blueprint_name, variable_name
重命名 variable.rename blueprint_name, old_name, new_name(自动更新引用)
设默认值 variable.set_default blueprint_name, variable_name, default_value
设元数据 variable.set_metadata blueprint_name, variable_name, category, tooltip, instance_editable, replicated
添加局部变量 variable.add_local blueprint_name, function_name, variable_name, variable_type
Getter 节点 variable.add_getter blueprint_name, variable_name, 可选 owner_class
Setter 节点 variable.add_setter blueprint_name, variable_name, 可选 owner_class

函数操作

操作 Action 关键参数
创建 function.create blueprint_name, function_name, inputs/outputs 数组
删除 function.delete blueprint_name, function_name
重命名 function.rename blueprint_name, old_name, new_name
调用 function.call blueprint_name, function_name

Read the full file on GitHub · 234 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 12d ago First seen · 234 lines · 55 tokens per session scan A 5915a7101e18

Subscribe to this mod's changes

ue-mcp-blueprint is a skill published in the GitHub repository Cooperzheng/ue-dev-playbook (5 stars, last pushed 5mo ago), licensed MIT. It adds 55 tokens to every session and 2,987 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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