registry / @companion-ai/feynman / 0.5.37
@companion-ai/feynman@0.5.37
The open source AI research agent.
AI Security Review
scanned 24d ago · by lpm-firewall-aiSource inspection found a version-only preinstall check and a user-invoked project initialization command that creates missing files. The flagged network and credential references in the Hugging Face tools send tokens to the intended Hugging Face service; no concrete attack behavior was found.
Static reason
One or more suspicious static signals were detected.
Trigger
Package installation triggers the preinstall version check; a user invokes the init command to create project files.
Impact
No harmful effect was established; initialization may add the documented project files.
Mechanism
The preinstall script compares the installed Node.js version with a minimum. The init command creates missing project notes and AGENTS.md files in the working directory.
AI rationale
Source inspection found a version-only preinstall check and a user-invoked project initialization command that creates missing files. The flagged network and credential references in the Hugging Face tools send tokens to the intended Hugging Face service; no concrete attack behavior was found.
Evidence
AGENTS.mdnotes/notes/session-logs/README.md
Decision evidence
public snapshotAI called this Clean at 92.0% confidence as Benign with low false-positive risk.
Evidence for AI clean decision
- The preinstall hook only runs a Node.js version check; it does not install dependencies or mutate consumer configuration.
- The init command is user-invoked and creates missing project notes and AGENTS.md files under the current project directory.
- The launcher loads the CLI for normal use; its version-only path exits after reading package.json.
- Hugging Face tokens are attached to requests made by the Hugging Face research tools for their intended service.
- The inspected CLI excerpt handles command arguments and alpha command passthrough.
Evidence against
Behavioral surface
ChildProcessCryptoDynamicRequireEnvironmentVarsFilesystemNetworkShell
HighEntropyStringsTelemetryUrlStrings
Source & flagged code
5 flaggedpackage.jsonView file
•scripts.preinstall = node ./scripts/check-node-version.mjs
High
Install Time Lifecycle Scripts
Package defines install-time lifecycle scripts.
package.jsonView on unpkgbin/feynman.jsView file
23if (compareNodeVersions(parseNodeVersion(process.versions.node), parseNodeVersion(MIN_NODE_VERSION)) < 0) {
L24: const isWindows = process.platform === "win32";
L25: console.error(`feynman requires Node.js ${MIN_NODE_VERSION} or newer (detected ${process.versions.node}).`);
L26: console.error(isWindows
L27: ? "Install a supported Node.js release from https://nodejs.org, or use the standalone installer:"
L28: : `Switch to a supported Node release with \`nvm install ${PREFERRED_NODE_MAJOR} && nvm use ${PREFERRED_NODE_MAJOR}\`, or use the standalone installer:`);
...
L35:
L36: // `--version` needs only package.json; answer it without loading the CLI.
L37: if (process.argv.length === 3 && (process.argv[2] === "--version" || process.argv[2] === "-v")) {
L38: const { readFileSync } = await
High
Sandbox Evasion Gated Capability
Source gates dangerous network, credential, or execution behavior behind CI, host, platform, time, or geo fingerprint checks.
bin/feynman.jsView on unpkg · L23Findings
3 High5 Medium5 Low
HighInstall Time Lifecycle Scriptspackage.json
HighSandbox Evasion Gated Capabilitybin/feynman.js
HighSemantic Analysis Limiteddist/cli.js#virtual:normalized:round1
MediumDynamic Requirebin/feynman.js
MediumNetwork
MediumEnvironment Vars
MediumShips Build Helperscripts/install/install-skills.sh
MediumStructural Risk Force Deep Review
LowScripts Present
LowFilesystem
LowHigh Entropy Strings
LowTelemetry
LowUrl Strings
Affected versions and remediation
This report applies to @companion-ai/feynman@0.5.37.
See all versions of @companion-ai/feynman for other recorded verdicts.
- Review the evidence and your use of @companion-ai/feynman@0.5.37 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: .
Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.