From cortex-toolkit
Use when building the Unreal Engine project, after modifying C++ source files, or when build errors need diagnosis
How this skill is triggered — by the user, by Claude, or both
Slash command
/cortex-toolkit:cortex-buildThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Builds the UE project with proper configuration.
Builds the UE project with proper configuration.
Read the effective Cortex config to get the engine path:
.cortex/config.yaml.cortex/config.local.yaml over it for per-machine overrides$UE_PATH only when project config does not provide engine.pathUse the shared loader when available:
python cortex-toolkit/lib/cortex_config.py --project-dir . --get engine.path
Find the .uproject file in the project root.
Execute the build command:
"$ENGINE_PATH/Engine/Binaries/DotNET/UnrealBuildTool/UnrealBuildTool.exe" \
<ProjectName>Editor Win64 Development \
-Project="<absolute path to .uproject>" \
-WaitMutex -FromMsBuild
Success: Report "Build succeeded" with any warnings.
Failure: Parse the build output:
error C or error :)DLL locked: If build fails with DLL lock error, suggest:
Intermediate/Build/BuildRules/*.dllIf UE Editor is running, it will hot-reload automatically. No action needed.
npx claudepluginhub etelyatn/cortex-toolkit --plugin cortex-toolkitProvides behavioral guidelines to reduce common LLM coding mistakes, focusing on simplicity, surgical changes, assumption surfacing, and verifiable success criteria.
Searches, retrieves, and installs Agent Skills from prompts.chat registry using MCP tools like search_skills and get_skill. Activates for finding skills, browsing catalogs, or extending Claude.
Creates, edits, and optimizes skills for Claude Code, including drafting, evaluating with test prompts, iterating on performance, and improving skill descriptions for better triggering accuracy.