MCP Extensions
by openaiBuild plugins that feel like native, first-class features of ChatGPT.
MCP Extensions is an open-source mcp server by openai, written mainly in TypeScript, with 1,118 GitHub stars and the Apache-2.0 license. Its code was last updated Oct 30, 2026.
Scan summary: scanned Nov 5, 2026 at commit 9e6d418. No capabilities flagged by our checks. 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
9e6d418 · Nov 5, 2026 ScannedStatic, secrets and dependency checks completed with no critical findings. BuildsIt installed from a fresh machine.
Passed. This check ran and found nothing it flags.Static code scanpassPassed. This check ran and found nothing it flags.
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 audit35 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.
Passed. This check ran and found nothing it flags.BuildpassPassed. This check ran and found nothing it flags.
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 (18)
- 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.@modelcontextprotocol/client@2.1.0: 2 known vulnerabilitiesGHSA-6prh-2h8m-c8cw, GHSA-6qxp-vccf-f47h
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.@modelcontextprotocol/sdk@1.30.0: 6 known vulnerabilitiesGHSA-22jm-h49p-29qw, GHSA-46jr-4wx8-v453, GHSA-6prh-2h8m-c8cw, GHSA-6qxp-vccf-f47h, GHSA-f897-62hf-6gxq +1 more
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.@modelcontextprotocol/server@2.1.0: 3 known vulnerabilitiesGHSA-46jr-4wx8-v453, GHSA-jm63-cq47-j5jp, GHSA-rvq5-wwqv-78pq
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.body-parser@2.3.0: 1 known vulnerabilityGHSA-27r3-jxmh-p828
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.brace-expansion@1.1.18: 3 known vulnerabilitiesGHSA-6j4f-fj2g-mc7p, GHSA-q2hr-2g5m-vwhr, GHSA-qhr7-859c-m2p7
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.brace-expansion@5.0.9: 3 known vulnerabilitiesGHSA-6j4f-fj2g-mc7p, GHSA-q2hr-2g5m-vwhr, GHSA-qhr7-859c-m2p7
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.source-map-js@1.2.1: 1 known vulnerabilityGHSA-68fv-2mgg-jv7q
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.vite@8.1.4: 5 known vulnerabilitiesGHSA-587h-7wmj-h5pm, GHSA-698v-4r3x-3vcv, GHSA-9jrq-w75r-8gcw, GHSA-r825-w8mm-5pxw, GHSA-rq7h-c2jc-7f22
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.zod@4.4.3: 1 known vulnerabilityGHSA-mrhx-c7xc-m3w5
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.@hono/node-server@2.1.1: 1 known vulnerabilityGHSA-rmxm-3fg6-px4f
pnpm-lock.yaml - 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
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.hono@4.13.8: 1 known vulnerabilityGHSA-5r4p-p66f-jhc7
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.ip-address@10.7.2: 1 known vulnerabilityGHSA-rxp7-6hxx-x8q5
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.minimatch@10.2.6: 1 known vulnerabilityGHSA-g3hv-75wg-m249
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.qs@6.16.0: 1 known vulnerabilityGHSA-6pq8-jhm2-2vcw
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.No manifest declaring network access and environment variables (agent.json)
- lowLow. Minor, or common in normal tools. Shown for information.Couldn't work out how to start the server. Set "entrypoint" in agent.json.
Network activity
During install
registry.npmjs.org
While running
Not run — the code wasn't started in this scan
Automated result for the commit shown. See our scan policy. View the scan log
Maintainers can claim the listing to rescan, or dispute a result.
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