Byob MCP Server
by wxtskyBring Your Own Browser — let your AI agent use the Chrome you already have open
Byob is an open-source mcp server by wxtsky, written mainly in JavaScript, with 145 GitHub stars and the MIT license. Its code was last updated Sep 29, 2026.
Scan summary: scanned Nov 5, 2026 at commit f674a76. 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
f674a76 · 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.
Flagged. This check found an issue. See the findings below.Secrets scanfailFlagged. This check found an issue. See the findings below.
Flagged. This check found an issue. See the findings below.Dependency audit157 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 (34)
- 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.secrets 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.
- highHigh. Something risky that needs a close look before you install.dependencies 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.Very long encoded string literal. Often used to hide a payload.
plugins/byob/servers/byob-mcp.mjs:9 - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Very long encoded string literal. Often used to hide a payload.
plugins/byob/servers/byob-mcp.mjs:9 - 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
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.adm-zip@0.5.17: 8 known vulnerabilitiesGHSA-7q85-xj36-vmfc, GHSA-8238-w5pm-2374, GHSA-c6fg-446q-cg94, GHSA-j5f4-cc29-5x44, GHSA-p634-w6r4-rjp2 +3 more
bun.lock - 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
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.brace-expansion@1.1.14: 6 known vulnerabilitiesGHSA-3jxr-9vmj-r5cp, GHSA-6j4f-fj2g-mc7p, GHSA-mh99-v99m-4gvg, GHSA-q2hr-2g5m-vwhr, GHSA-qhr7-859c-m2p7 +1 more
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.brace-expansion@5.0.5: 7 known vulnerabilitiesGHSA-3jxr-9vmj-r5cp, GHSA-6j4f-fj2g-mc7p, GHSA-jxxr-4gwj-5jf2, GHSA-mh99-v99m-4gvg, GHSA-q2hr-2g5m-vwhr +2 more
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.fast-uri@3.1.0: 12 known vulnerabilitiesGHSA-333x-w4r6-6crp, GHSA-4c8g-83qw-93j6, GHSA-7p8r-x3mc-p8w7, GHSA-f65p-4m7j-42xc, GHSA-hrr3-gc8f-f4qj +7 more
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.hono@4.12.15: 26 known vulnerabilitiesGHSA-2gcr-mfcq-wcc3, GHSA-3hrh-pfw6-9m5x, GHSA-54fx-42gc-7vw4, GHSA-5r4p-p66f-jhc7, GHSA-69xw-7hcm-h432 +21 more
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.ip-address@10.1.0: 6 known vulnerabilitiesGHSA-h3mg-xc3c-68pw, GHSA-j6r3-76f7-8jcv, GHSA-mwp4-54f8-5fhr, GHSA-rpw4-54j3-4h4q, GHSA-rxp7-6hxx-x8q5 +1 more
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.nanoid@3.3.11: 3 known vulnerabilitiesGHSA-28wg-ghj8-5hjv, GHSA-2v37-7h3g-55p8, GHSA-xwg4-73v4-xw9w
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.node-forge@1.4.0: 12 known vulnerabilitiesGHSA-4487-j8r4-4g2f, GHSA-4642-5mcj-2rqw, GHSA-525v-9gp9-w22h, GHSA-5cwg-6vw7-rj6p, GHSA-5x38-2vff-x55p +7 more
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.postcss@8.5.10: 3 known vulnerabilitiesGHSA-6g55-p6wh-862q, GHSA-fxqj-rqcc-2cmp, GHSA-r28c-9q8g-f849
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.sharp@0.34.5: 3 known vulnerabilitiesGHSA-f88m-g3jw-g9cj, GHSA-rgj7-g3m4-5g8c, GHSA-wq5f-xc86-pv6w
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.source-map-js@1.2.1: 1 known vulnerabilityGHSA-68fv-2mgg-jv7q
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.tmp@0.2.5: 1 known vulnerabilityGHSA-ph9p-34f9-6g65
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.undici@7.25.0: 29 known vulnerabilitiesGHSA-2gqq-gqf2-x968, GHSA-2jfj-6hjv-fm6j, GHSA-2m5v-pch6-74hx, GHSA-35p6-xmwp-9g52, GHSA-3xpg-4rpp-hhhm +24 more
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.uuid@8.3.2: 1 known vulnerabilityGHSA-w5hq-g745-h8pq
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.vite@6.4.2: 7 known vulnerabilitiesGHSA-587h-7wmj-h5pm, GHSA-698v-4r3x-3vcv, GHSA-9jrq-w75r-8gcw, GHSA-fx2h-pf6j-xcff, GHSA-r825-w8mm-5pxw +2 more
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.zod@3.25.76: 1 known vulnerabilityGHSA-mrhx-c7xc-m3w5
bun.lock - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Install or build failed in a clean environmentnpm error code EUNSUPPORTEDPROTOCOL npm error Unsupported URL Type "workspace:": workspace:* npm error A complete log of this run can be found in: /tmp/home/.npm/_logs/2026-11-05T22_24_18_974Z-debug-0.log
- lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Executes dynamically built code (eval / new Function / vm).
packages/extension/lib/__tests__/page-scripts.test.ts:21 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Executes dynamically built code (eval / new Function / vm).
packages/extension/lib/__tests__/page-scripts.test.ts:31 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Executes dynamically built code (eval / new Function / vm).
packages/extension/lib/__tests__/sensitive.test.ts:7 - 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
bun.lock - lowLow. Minor, or common in normal tools. Shown for information.@mozilla/readability@0.5.0: 1 known vulnerabilityGHSA-3p6v-hrg8-8qj7
bun.lock - lowLow. Minor, or common in normal tools. Shown for information.minimatch@10.2.5: 1 known vulnerabilityGHSA-g3hv-75wg-m249
bun.lock - 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
bun.lock - 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
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.
Byob alternatives
View more →Similar mcp servers in Browser Automation, ranked by GitHub stars. Compare licence, recent activity and scan status before you choose.
| Name | Stars | Licence | Last updated | Scan |
|---|---|---|---|---|
| Byob (this page) wxtsky | 145 | MIT | Sep 29, 2026 | Scanned, no flagged issues |
| Chrome Devtools MCP ChromeDevTools | 55k | Apache-2.0 | Nov 1, 2026 | Scanned, no flagged issues |
| Playwright MCP microsoft | 39k | Apache-2.0 | Oct 31, 2026 | Scanned, no flagged issues |
| MCP Chrome hangwin | 13k | MIT | Jan 6, 2026 | Scanned, no flagged issues |
| Browser Tools MCP AgentDeskAI | 7.3k | MIT | Oct 28, 2026 | Scanned, no flagged issues |
| MCP BrowserMCP | 7.3k | Apache-2.0 | Oct 30, 2026 | Scanned, no flagged issues |