Steel MCP Server
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Steel MCP Server is an open-source mcp server by steel-dev, written mainly in TypeScript, with 58 GitHub stars and the MIT license. Its code was last updated Oct 26, 2026.
Scan summary: scanned Nov 5, 2026 at commit f28a175. 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
f28a175 · 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.
Warning. This check found something worth reading in the findings below. It is not proof of a problem.Dependency audit40 known vulnerabilitieswarnWarning. This check found something worth reading in the findings below. It is not proof of a problem.
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.
Flagged. This check found an issue. See the findings below.Boot & handshakefailFlagged. 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.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 (20)
- mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.@modelcontextprotocol/node@2.0.0: 1 known vulnerabilityGHSA-f897-62hf-6gxq
package-lock.json - 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
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.@modelcontextprotocol/server@2.0.0: 4 known vulnerabilitiesGHSA-46jr-4wx8-v453, GHSA-f897-62hf-6gxq, GHSA-jm63-cq47-j5jp, GHSA-rvq5-wwqv-78pq
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.body-parser@2.3.0: 1 known vulnerabilityGHSA-27r3-jxmh-p828
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.nanoid@3.3.16: 1 known vulnerabilityGHSA-2v37-7h3g-55p8
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.vite@8.1.5: 5 known vulnerabilitiesGHSA-587h-7wmj-h5pm, GHSA-698v-4r3x-3vcv, GHSA-9jrq-w75r-8gcw, GHSA-r825-w8mm-5pxw, GHSA-rq7h-c2jc-7f22
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.zod@4.4.3: 1 known vulnerabilityGHSA-mrhx-c7xc-m3w5
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.MCP server didn't complete the protocol handshakeserver exited early with code 1
- lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key
tests/unit/session-plan.test.ts:9 - lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: jwt
tests/unit/session-viewer.test.ts:43 - lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key
tests/unit/session-viewer.test.ts:99 - lowLow. Minor, or common in normal tools. Shown for information.@hono/node-server@1.19.17: 1 known vulnerabilityGHSA-rmxm-3fg6-px4f
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.@vitest/mocker@4.1.10: 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.hono@4.13.4: 5 known vulnerabilitiesGHSA-5r4p-p66f-jhc7, GHSA-crvj-82cr-hjcx, GHSA-g6gw-c38x-mqfc, GHSA-gqvv-2mrq-wpjv, GHSA-hxh3-vqpv-xpqv
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.ip-address@10.3.1: 5 known vulnerabilitiesGHSA-2vr4-cq9g-pvrc, GHSA-h3mg-xc3c-68pw, GHSA-j6r3-76f7-8jcv, GHSA-rpw4-54j3-4h4q, GHSA-rxp7-6hxx-x8q5
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.qs@6.15.3: 3 known vulnerabilitiesGHSA-4mjr-xmp4-gh2g, GHSA-6pq8-jhm2-2vcw, GHSA-x5fp-wj9c-mxmx
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.vitest@4.1.10: 1 known vulnerabilityGHSA-82fw-gwwq-j7x9
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.package.json has a prepare scriptnpm run build
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
registry.npmjs.org
While running
Not run — the code wasn't started in this scan
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