registry / @companion-ai/feynman / 0.5.10
@companion-ai/feynman@0.5.10
Research-first CLI agent built on Pi and alphaXiv
AI Security Review
scanned 26d ago · by lpm-firewall-aiSource inspection shows the install hook performs a Node version check, while the flagged agent configuration write is limited to an explicit init command and preserves an existing AGENTS.md. The token use inspected is directed to the Hugging Face API; no concrete attack surface was established.
Static reason
One or more suspicious static signals were detected.
Trigger
Package installation invokes preinstall; the project setup behavior runs when a user invokes the init command.
Impact
No malicious effect was identified. The inspected Hugging Face token use sends credentials to the Hugging Face API.
Mechanism
The hook checks the installed Node version. The init command creates notes directories and adds AGENTS.md only if absent.
AI rationale
Source inspection shows the install hook performs a Node version check, while the flagged agent configuration write is limited to an explicit init command and preserves an existing AGENTS.md. The token use inspected is directed to the Hugging Face API; no concrete attack surface was established.
Evidence
AGENTS.mdnotes/notes/session-logs/README.md
Network endpoints1
huggingface.co/api
Decision evidence
public snapshotAI called this Clean at 88.0% confidence as Benign with low false-positive risk.
Evidence for AI clean decision
- The preinstall hook runs a Node version check, and the CLI entrypoint also checks the Node version before loading the CLI.
- The flagged project configuration command is explicitly invoked and creates AGENTS.md only when it does not already exist.
- The CLI loads a working-directory .env file; no malicious use of its contents was identified in the inspected excerpt.
- The Hugging Face tool sends optional Hugging Face tokens as authorization headers on its API requests.
Evidence against
Behavioral surface
ChildProcessCryptoDynamicRequireEnvironmentVarsFilesystemNetworkShell
HighEntropyStringsTelemetryUrlStrings
WildcardDependency
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") {
L38: const { readFileSync } = await import("node:fs");
L39: conso
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 High6 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
MediumWildcard Dependency
LowScripts Present
LowFilesystem
LowHigh Entropy Strings
LowTelemetry
LowUrl Strings
Affected versions and remediation
This report applies to @companion-ai/feynman@0.5.10.
See all versions of @companion-ai/feynman for other recorded verdicts.
- Review the evidence and your use of @companion-ai/feynman@0.5.10 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.