ai-usage-meter@0.1.0
Show Claude, ChatGPT/Codex, and Gemini activity and usage on an AI Meter display.
AI Security Review
scanned 11d ago · by lpm-firewall-aiThe postinstall hook automatically modifies multiple AI-agent configurations and adds persistent background execution on global installs. This is unconsented install-time control-surface mutation, supporting a block.
Static reason
High-risk behavior combination matched malicious policy.
Trigger
Installing the package globally through npm triggers postinstall.
Impact
The package gains automatic execution in AI-agent lifecycle events and persistent background execution in the user session.
Mechanism
The lifecycle script runs setup for all platforms, writes agent settings, and installs a Codex LaunchAgent without an additional setup confirmation.
Policy narrative
A global npm install triggers automatic setup across all configured AI-agent platforms. That setup writes lifecycle hooks into user settings and, for Codex, installs a LaunchAgent. This is a broad install-time mutation of AI-agent control surfaces without a separate user confirmation.
AI rationale
The postinstall hook automatically modifies multiple AI-agent configurations and adds persistent background execution on global installs. This is unconsented install-time control-surface mutation, supporting a block.
Evidence
package.jsonsetup/postinstall.mjssetup/setup.mjs~/.claude/settings.json~/.codex/hooks.json~/.gemini/settings.json~/Library/LaunchAgents/com.ai-usage-meter.codex-sync.plist
Decision evidence
public snapshotAI identified this as a dangerous AI-agent capability at 92.0% confidence with low false-positive risk.
Evidence for policy risk
- package.json runs setup/postinstall.mjs from the postinstall lifecycle.
- On global installs, postinstall automatically runs setup for all supported agent platforms using home-directory settings paths.
- Setup rewrites Claude, Codex, and Gemini agent configuration to add package hooks; Codex setup also installs a persistent LaunchAgent.
Evidence against
- Non-global installs exit before configuration changes.
- The installed hooks and sync agent are package-owned integrations for the advertised usage meter.
Behavioral surface
ChildProcessEnvironmentVarsFilesystemShell
HighEntropyStringsUrlStrings
Source & flagged code
6 flagged · loading sourcepackage.jsonView file
•scripts.postinstall = node setup/postinstall.mjs
High
Install Time Lifecycle Scripts
Package defines install-time lifecycle scripts.
package.jsonView on unpkg36"postinstall": "node setup/postinstall.mjs"
},
High
Suspicious Lifecycle Evidence
package.json runs setup/postinstall.mjs from the postinstall lifecycle.
package.jsonView on unpkg · L36•scripts.postinstall = node setup/postinstall.mjs
Medium
Ambiguous Install Lifecycle Script
Install-time lifecycle script is not statically allowlisted and needs review.
package.jsonView on unpkgsetup/postinstall.mjsView file
Findings
1 Critical3 High4 Medium4 Low
CriticalAi Agent Control Hijacksetup/postinstall.mjs
HighInstall Time Lifecycle Scriptspackage.json
HighSuspicious Lifecycle Evidencepackage.json
HighSuspicious Lifecycle Evidencesetup/postinstall.mjs
MediumAmbiguous Install Lifecycle Scriptpackage.json
MediumEnvironment Vars
MediumShips Native Binaryvendor/picotool/darwin-arm64/libusb-1.0.0.dylib
MediumStructural Risk Force Deep Review
LowScripts Present
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
Affected versions and remediation
This report applies to ai-usage-meter@0.1.0.
See all versions of ai-usage-meter for other recorded verdicts.
- Avoid installing ai-usage-meter@0.1.0. Remove it from direct dependencies and check your lockfile for transitive copies.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
- If this version ran, investigate the affected machine and build environment. Rotate credentials it could access and rebuild from a trusted environment.
Evidence last updated: .
Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.