Ue MCP
by db-lyonComplete Unreal Engine development toolkit exposed as MCP tools.
Ue MCP is an open-source mcp server by db-lyon, written mainly in C++, with 462 GitHub stars and the MIT license. Its code was last updated Oct 31, 2026.
Scan summary: scanned Nov 5, 2026 at commit 4cff710. Seen able to run shell commands. Scan policy
ScannedScanned. The automated checks below ran on the commit shown. Read each line for what was and was not covered.
Full scan at
4cff710 · Nov 5, 2026 ScannedStatic, secrets and dependency checks completed with no critical findings.
Warning. This check found something worth reading in the findings below. It is not proof of a problem.Static code scanwarnWarning. This check found something worth reading in the findings below. It is not proof of a problem.
Passed. This check ran and found nothing it flags.Secrets scanpassPassed. This check ran and found nothing it flags.
Flagged. This check found an issue. See the findings below.Dependency audit17 known vulnerabilitiesfailFlagged. This check found an issue. See the findings below.
Warning. This check found something worth reading in the findings below. It is not proof of a problem.ManifestnonewarnWarning. This check found something worth reading in the findings below. It is not proof of a problem.
Flagged. This check found an issue. See the findings below.BuildfailFlagged. This check found an issue. See the findings below.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Boot & handshaken/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Network egressn/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Reproducible (×3)n/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Findings (17)
- highHigh. Something risky that needs a close look before you install.dependencies issueDetails are available to the maintainer after claiming this listing.
- mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
scripts/build-and-run.js:141 - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
scripts/build-and-run.js:146 - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
scripts/build.js:19 - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
src/cli/resolve.ts:168 - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
src/editor/editor-build.ts:317 - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.undici@6.29.0: 5 known vulnerabilitiesGHSA-2m5v-pch6-74hx, GHSA-4qv8-2p9j-2685, GHSA-9fm3-97px-rjf6, GHSA-qrxm-fqhp-jwvm, GHSA-xjj6-f33q-929c
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Install or build failed in a clean environment[1m UE-MCP Build[0m [1m================================ [0m [31mERROR: Unreal Engine build tool not found. Set UE_MCP_TEST_ENGINE_ROOT to a dedicated engine root (or UE_BUILD_TOOL_PATH to a Build.bat / Build.sh), or install UE 5.3+ to a default location. Tried: (no candidate locations)[0m
- lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key
tests/ue_mcp/Config/DefaultEngine.ini:4 - lowLow. Minor, or common in normal tools. Shown for information.@vitest/mocker@3.2.7: 2 known vulnerabilitiesGHSA-82fw-gwwq-j7x9, GHSA-qxg6-89mg-rqv8
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.fast-uri@3.1.8: 4 known vulnerabilitiesGHSA-333x-w4r6-6crp, GHSA-w74x-v6f9-j3xg, GHSA-wjr9-j795-jxcr, GHSA-xhq7-xmqj-769h
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.glob@13.0.6: 1 known vulnerabilityGHSA-3g3m-2fjr-6pw4
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.ip-address@10.7.2: 1 known vulnerabilityGHSA-rxp7-6hxx-x8q5
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.minimatch@10.2.5: 1 known vulnerabilityGHSA-g3hv-75wg-m249
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.vitest@3.2.7: 1 known vulnerabilityGHSA-82fw-gwwq-j7x9
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.package.json has a prepare scripthusky
package.json - lowLow. Minor, or common in normal tools. Shown for information.No manifest declaring network access and environment variables (agent.json)
Network activity
During install
nodejs.orgregistry.npmjs.org
While running
Not run — the code wasn't started in this scan
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