mcp/unreal-engine-mcp-server repository overview

⁠Unreal Engine MCP Server

A comprehensive Model Context Protocol (MCP) server that enables AI assistants to control Unreal Engine via Remote Control API. Built with TypeScript and designed for game development automation.

What is an MCP Server?⁠

⁠MCP Info

⁠Image Building Info

⁠Available Tools (23)

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⁠Tools Details

⁠Tool: animation_physics

Author animation and physics assets: Animation Blueprints, blend spaces, montages, Control Rig/IK, skeletons, sockets, physics assets, cloth, ragdolls, and vehicles. Required: action. Select one enum value, then provide only parameters relevant to that action. Params by action: name, path, assetPath, animationPath, savePath, skeletonPath, parentClass, actorName, targetSkeleton, slotName, sectionName, notifyName, boneName, curveName, stateName, machineName, numFrames, frameRate, interpolationType, axisName, playRate, frame, time, length, location, rotation, scale, value, vehicleType, mass, dragCoefficient, artifacts, sourceSkeleton, sourceIKRigPath, targetIKRigPath, save, additiveAnimType, angularDamping, assets, assignToMesh, attachBoneName, axis, basePoseFrame, basePoseType, blendTime, blendType, blueprintPath, bodyA, bodyB, bodyType, boneTracks, cacheName, center, collisionEnabled, compileReferencers, constraintName, deltas, enableRootMotion, endFrame, forceRootLock, fromSection, fromState, layerSetup, limits, linearDamping, lodIndex, markerName, maxValue, minValue, montagePath, morphTargetName, morphTargetPath, newBoneName, nodeName, outputPath, overwrite, parentBoneName, physicsAssetName, physicsAssetPath, pitch, profileName, propertyName, radius, rebuildBlendParameters, relativeLocation, relativeRotation, relativeScale, removeChildren, rootBoneName, rootMotionRootLock, sampleValue, simulatePhysics, skeletalMeshPath, socketName, sourceBoneName, sourceChain, sourceMeshPath, startFrame, startTime, stateMachineName, suffix, targetBoneName, targetChain, targetMeshPath, threshold, toSection, toState, trackIndex, weights, yaw, params.

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⁠Tool: build_environment

Build environments: landscapes, foliage, procedural terrain/biomes, lighting setups, spline roads/rivers/fences, and world decoration. Required: action. Select one enum value, then provide only parameters relevant to that action. Params by action: name, landscapeName, heightData, minX, minY, maxX, maxY, updateNormals, location, rotation, sizeX, sizeY, sectionSize, sectionsPerComponent, componentCount, materialPath, tool, radius, strength, falloff, layerName, actorName, foliageType, foliageTypePath, meshPath, density, minScale, maxScale, cullDistance, alignToNormal, randomYaw, removeAll, locations, transforms, position, bounds, volumeName, seed, foliageTypes, points, quadsPerSection, count, assets, numLODs, subdivisions, tileSize, quality, staticMesh, timeoutMs, path, filename, assetPaths, heightmapPath, outputPath, landscapePath, landscapeActorPath, actorPath, layerInfoPath, physicalMaterialPath, noWeightBlend, hardness, waterBodyName, targetActor, particleSystemPath, curvePath, cubemapPath, settings, waveHeight, waveLength, amplitude, steepness, speed, direction, azimuth, elevation, collisionEnabled, names, time, spacing, heightScale, material, hour, intensity, skyLightIntensity, alignToSpline, arriveTangent, bClosedLoop, blueprintPath, compensationValue, componentName, enabled, forwardAxis, initialPoints, leaveTangent, lightType, materialIndex, maxBrightness, method, minBrightness, operation, pointIndex, pointRotation, pointScale, pointType, propertyName, propertyValue, randomOffsetRange, randomizeRotation, randomizeScale, region, rotationRange, save, skipFlush, splineType, useRandomOffset, width, params.

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⁠Tool: control_actor

Spawn actors, set transforms, enable physics, add components, manage tags, and attach actors. Required: action. Select one enum value, then provide only parameters relevant to that action. Params by action: actorName, childActor, parentActor, classPath, meshPath, materialPath, materialSlot, materialIndex, allComponents, blueprintPath, location, rotation, scale, force, componentType, componentName, properties, visible, newName, tag, variables, snapshotName, actorClass, actorNames, arguments, className, collisionEnabled, functionName, limit, filter, name, offset, propertyName, value, params.

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⁠Tool: control_editor

Start/stop PIE, control viewport camera, run console commands, take screenshots, simulate input. Required: action. Select one enum value, then provide only parameters relevant to that action. Params by action: location, rotation, viewMode, enabled, speed, filename, fov, width, height, command, steps, bookmarkName, assetPath, path, levelPath, actorName, objectPath, name, blendTime, mode, returnBase64, includeMetadata, metadata, deltaTime, resolution, realtime, stat, category, preferences, key, type, inputType, inputAction, x, y, button, id, params.

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⁠Tool: inspect

Inspect any UObject: read/write properties, list components, export snapshots, and query class info. Actions: inspect_cdo (Blueprint CDO properties + all components without spawning an actor; use blueprintPath, optional detailed/componentName/propertyNames), inspect_class (class metadata), inspect_object (world actor), get_property/set_property, get_components, list_objects, find_by_class, find_by_tag, runtime_report. Required: action. Select one enum value, then provide only parameters relevant to that action. Params by action: objectPath, propertyName, propertyPath, value, actorName, name, componentName, className, classPath, tag, filter, snapshotName, blueprintPath, detailed, propertyNames, componentNames, params.

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⁠Tool: manage_ai

Build AI systems: AI controllers, Behavior Trees, Blackboards, EQS, perception, State Trees, Smart Objects, NavMesh settings, nav modifiers, links, and p

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