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Unreal Engine Absolute Blueprint MCP

UEABMCP is the free Blueprint edition of Unreal Engine Absolute MCP: a Model Context Protocol server that lives inside the Unreal Editor. Install the plugin, open your project and any MCP-capable agent can create and edit Blueprints and drive the editor through a local HTTP endpoint.

  • Local only. No accounts, no API keys, no telemetry.
  • UE 4.27, 5.0, 5.5, 5.6, 5.7 and 5.8, one plugin, same tools.
  • Transactional. Every change is an editor transaction you can undo with Ctrl+Z.
  • Complete and free. No locked features, no time limit, no reminders.

How it works​

Agent (any MCP client)
        │  JSON-RPC over http://127.0.0.1:9331/uea-mcp
        ▼
UEABMCP server (editor module)  ──►  Kits: edit · bp
        │
        ▼
Unreal Editor (your open project)

What is included (507 tools on UE 5.x, 503 on 4.27)​

KitPurpose
bpBlueprint classes, class settings, variables, functions, macros, events, graph nodes and pins, components, interfaces, gameplay tags, compile and debug
editundo/redo, selection, viewport and camera, console, config and plugins, Play-In-Editor, checkpoints and rollback, workflows
job · assetbackground jobs and the shared asset helper

Full edition​

Unreal Engine Absolute MCP is the full product: more than 5000 tools in 55 kits. Besides edit and bp it adds: actor, ai, anim, asset, audio, build, camera, chaos, component, controlrig, data, dataflow, debug, foliage, gamefeatures, gameplay, gameplaytags, gas, groom, importexport, input, landscape, level, lighting, localization, mass, material, media, mesh, metasound, modeling, motion, mrq, nav, networking, niagara, paper, pcg, physics, project, rendering, save, sequencer, settings, skel, smartobjects, statetree, tests, trace, umg, vehicles, water, worldconditions, worldpartition. It also ships built-in multi-step workflows. Both plugins can be enabled in the same project: they use different module names, settings and ports (9321 for the full edition, 9331 for this one).

Next: Installation → Connect your agent → First session.