Skills/npm/jevx

jevx@0.12.13

CAUTION

Publisher claims: "Agent skill + CLI for fast typed judgements (yes/no, pick-one, rating) from any Jev-style System One endpoint. Installs the jevx binary from GitHub Releases." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher muthuishere · joined 7 days agoInstalls 2,496Last detonated 7d ago
What would fix thisWatchDispute verdict

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario) on 2026-10-27 and scored it 73/100 (Caution). It is not known to be malicious, but it has behaviour or code a security policy should decide on before install. Notable findings: Pipe-to-shell pattern; Pipe-to-shell pattern. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 2 s · 1 scenarios
t+CategoryObserved action
1.1sfilesystemread ~/.config/jevx/config.json · ~/.claude/settings.json outside project
1.1sfilesystemwrote ~/.config/jevx/config.json · ~/.agents/skills/jevx/SKILL.md · ~/.agents/skills/jevx/references/scenarios.md
1.1sprocessexec /tmp/ks-detonate-yLgCLX/setup/home/work/acme-api/.claude/skills/jevx/bin/jevx-bin
1.8sfilesystemread ~/.config/jevx/config.json · ~/.claude/skills · ~/.agents/skills · ~/.claude/settings.json outside project
1.8sfilesystemwrote ~/.agents/skills/jevx/SKILL.md · ~/.agents/skills/jevx/references/scenarios.md
1.8sprocessexec /tmp/ks-detonate-yLgCLX/setup/home/work/acme-api/.claude/skills/jevx/bin/jevx-bin
1.8sprocessscript backend runs setup only
1.8sprocessscript backend runs setup only

Static findings

CRITICAL
Pipe-to-shell patterninstall.js:49 · Pipe-to-shell pattern — downloads and immediately executes remote codeFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST06
CRITICAL
Pipe-to-shell patternbin/jevx.js:12 · Pipe-to-shell pattern — downloads and immediately executes remote codeFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST06
MEDIUM
Remote installer piped to shellinstall.js:49 · Remote installer piped to shellFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST07
MEDIUM
Remote installer piped to shellbin/jevx.js:12 · Remote installer piped to shellFix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST07

What would make this Verified

7 points to 80 · weights: behavior 45%, static 25%, prompt 15%, publisher 15%
  1. Reads credential files≈ +27 on the totalThe sandbox saw reads under ~/.ssh, ~/.aws, ~/.npmrc, ~/.config or similar. Read only files inside the project, and only the ones the task needs. Seen: ~/.config/jevx/config.json, ~/.config/jevx/config.json.
  2. Pipe-to-shell pattern≈ +9 on the totalBuild commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
  3. Unclaimed publisher≈ +8 on the totalClaim muthuishere: a verified publisher gets +50 on publisher trust. It is free and usually instant with GitHub sign-in.
  4. Touches files outside the project≈ +7 on the totalKeep reads and writes inside the working directory, or declare the exact paths in `filesystem:` and explain why in the README.
  5. Remote installer piped to shell≈ +2 on the totalBuild commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
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