Matryoshka MCP Server
by yogthosMCP server for token-efficient large document analysis via the use of REPL state
Matryoshka is an open-source mcp server by yogthos, written mainly in TypeScript, with 149 GitHub stars and the Apache-2.0 license. Its code was last updated May 17, 2026.
Scan summary: scanned Nov 5, 2026 at commit ccf3ca0. Seen able to run dynamic code. 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
ccf3ca0 · Nov 5, 2026 ScannedStatic, secrets and dependency checks completed with no critical findings. BuildsIt installed from a fresh machine.
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 audit72 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.
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 (26)
- highHigh. Something risky that needs a close look before you install.code-execution issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.code-execution issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.code-execution issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.code-execution issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.code-execution issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.code-execution issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.code-execution issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.code-execution issueDetails are available to the maintainer after claiming this listing.
- 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/sdk@1.29.0: 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.body-parser@2.2.2: 2 known vulnerabilitiesGHSA-27r3-jxmh-p828, GHSA-v422-hmwv-36x6
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.fast-uri@3.1.2: 11 known vulnerabilitiesGHSA-333x-w4r6-6crp, GHSA-4c8g-83qw-93j6, GHSA-7p8r-x3mc-p8w7, GHSA-f65p-4m7j-42xc, GHSA-fph4-wmhf-6fwf +6 more
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.hono@4.12.18: 21 known vulnerabilitiesGHSA-2gcr-mfcq-wcc3, GHSA-3hrh-pfw6-9m5x, GHSA-54fx-42gc-7vw4, GHSA-5r4p-p66f-jhc7, GHSA-79qm-7rj5-m7r9 +16 more
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.ip-address@10.2.0: 8 known vulnerabilitiesGHSA-22jq-vg5j-6vgg, GHSA-2vr4-cq9g-pvrc, GHSA-4xrf-jv44-h6hh, GHSA-h3mg-xc3c-68pw, GHSA-j6r3-76f7-8jcv +3 more
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.nanoid@3.3.12: 2 known vulnerabilitiesGHSA-28wg-ghj8-5hjv, GHSA-2v37-7h3g-55p8
pnpm-lock.yaml - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.postcss@8.5.14: 2 known vulnerabilitiesGHSA-fxqj-rqcc-2cmp, GHSA-r28c-9q8g-f849
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@8.0.13: 7 known vulnerabilitiesGHSA-587h-7wmj-h5pm, GHSA-698v-4r3x-3vcv, GHSA-9jrq-w75r-8gcw, GHSA-fx2h-pf6j-xcff, GHSA-r825-w8mm-5pxw +2 more
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 - 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.@hono/node-server@1.19.14: 2 known vulnerabilitiesGHSA-frvp-7c67-39w9, GHSA-rmxm-3fg6-px4f
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.@vitest/mocker@4.1.6: 2 known vulnerabilitiesGHSA-82fw-gwwq-j7x9, GHSA-qxg6-89mg-rqv8
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.esbuild@0.28.0: 1 known vulnerabilityGHSA-g7r4-m6w7-qqqr
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.qs@6.15.1: 4 known vulnerabilitiesGHSA-4mjr-xmp4-gh2g, GHSA-6pq8-jhm2-2vcw, GHSA-q8mj-m7cp-5q26, GHSA-x5fp-wj9c-mxmx
pnpm-lock.yaml - lowLow. Minor, or common in normal tools. Shown for information.vitest@4.1.6: 1 known vulnerabilityGHSA-82fw-gwwq-j7x9
pnpm-lock.yaml - 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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