registry / logod-chrome-mcp / 1.0.3
logod-chrome-mcp@1.0.3
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AI Security Review
scanned 27d ago · by lpm-firewall-aiThe package automatically modifies a first-party Claude Code extension surface during global installation. This is a concrete guarded lifecycle risk, not evidence of malware or credential exfiltration.
Static reason
High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review
Trigger
Installing the package globally runs its postinstall hook when a Claude directory exists.
Impact
This creates a guarded first-party agent extension lifecycle risk and can influence later Claude Code behavior.
Mechanism
The hook invokes a skill installer that copies the bundled skill into the user's Claude skills directory; the skill can guide future agent repair actions.
AI rationale
The package automatically modifies a first-party Claude Code extension surface during global installation. This is a concrete guarded lifecycle risk, not evidence of malware or credential exfiltration.
Evidence
dist/scripts/postinstall.jsdist/skill/SKILL.md~/.claude/skills/logod-chrome-mcp-doctor/SKILL.md
Decision evidence
public snapshotAI called this Suspicious at 92.0% confidence as Dangerous Capability with low false-positive risk.
Evidence for warning
- The package declares a postinstall lifecycle hook.
- On global installation, the hook automatically invokes its Claude Code skill installer.
- The installer copies a package-provided skill into the user's Claude configuration after only checking for the Claude directory; opt-out requires an environment variable.
- The installed skill directs Claude to run a repair command with a fix flag.
Evidence against
- The skill installation is limited to a package-named skill directory and skips systems without a Claude directory.
- No credential collection, unrelated network recipient, or arbitrary remote code execution was identified in the inspected paths.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetworkShell
HighEntropyStringsUrlStrings
Source & flagged code
15 flagged · loading sourcepackage.jsonView file
•scripts.postinstall = node dist/scripts/postinstall.js
High
Install Time Lifecycle Scripts
Package defines install-time lifecycle scripts.
package.jsonView on unpkg•scripts.postinstall = node dist/scripts/postinstall.js
Medium
Ambiguous Install Lifecycle Script
Install-time lifecycle script is not statically allowlisted and needs review.
package.jsonView on unpkgdist/scripts/postinstall.jsView file
111}
L112: fs_1.default.mkdirSync(VIBEMAKER_INSTALL_ROOT, { recursive: true });
L113: fs_1.default.mkdirSync(path_1.default.dirname(VIBEMAKER_EXT_DIR), { recursive: true });
L114: const zipPath = path_1.default.join(VIBEMAKER_INSTALL_ROOT, 'extension.zip');
...
L120: try {
L121: fs_1.default.copyFileSync(BUNDLED_EXT_ZIP, zipPath);
L122: usedBundled = true;
...
L176: fs_1.default.rmSync(VIBEMAKER_EXT_DIR, { recursive: true, force: true });
L177: fs_1.default.mkdirSync(VIBEMAKER_EXT_DIR, { recursive: true });
L178: await extractZipCompat(zipPath, VIBEMAKER_EXT_DIR);
...
L198: const extIdLine = `Extension ID: ${constant_1.EXTENSION_ID}\n`;
L199: fs_1.default.writeFileSync(path_1.default.join(VIBEMAKER_EXT_DIR, 'VERSION'), versionLine + buildLine + releaseLine + extIdLine);
Findings
1 Critical10 High6 Medium5 Low
CriticalAi Agent Control Hijackdist/scripts/postinstall.js
HighInstall Time Lifecycle Scriptspackage.json
HighShips High Entropy Blobdist/extension.zip
HighSemantic Analysis Limiteddist/scripts/postinstall.js#virtual:normalized:round1
HighKnown Malware Source Similaritydist/scripts/doctor.js
HighKnown Malware Source Similaritydist/scripts/utils.js
HighKnown Malware Source Similaritydist/scripts/browser-config.js
HighKnown Malware Source Similaritydist/scripts/report.js
HighKnown Malware Source Similaritydist/mcp/mcp-server-stdio.js
HighKnown Malware Source Similaritydist/file-handler.js
High
Affected versions and remediation
This report applies to logod-chrome-mcp@1.0.3.
See all versions of logod-chrome-mcp for other recorded verdicts.
- Review the evidence and your use of logod-chrome-mcp@1.0.3 before allowing it. Restrict the permissions described in this report.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
Evidence last updated: .
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