registry  /  mastercoder  /  0.3.42

mastercoder@0.3.42

MasterCoder — 기업용 AI 코딩 에이전트 (terminal CLI). 웹과 같은 회사 계정·정책·청구로 묶입니다.

AI Security Review

scanned 2d ago · by lpm-firewall-ai

No confirmed malicious behavior is present in this package source. The only executable code is a user-invoked CLI shim for platform-specific optional dependency binaries.

Static reason
One or more suspicious static signals were detected.
Trigger
User runs the mastercoder CLI
Impact
Executes the package-aligned optional dependency binary with inherited stdio; no install-time or import-time action found in this package.
Mechanism
platform binary launcher via spawnSync
Rationale
The scanner findings map to a normal CLI launcher pattern and there is no lifecycle hook, persistence, exfiltration, agent-control mutation, or network behavior in the inspected package files. The README/branding mismatch is suspicious packaging hygiene but not concrete attack behavior by itself.
Evidence
package.jsonbin/mastercoder.mjsREADME.mdnode_modules/mastercoder-${platform}-${arch}/bin/mastercoder

Decision evidence

public snapshot
AI called this Clean at 86.0% confidence as Benign with low false-positive risk.
Evidence for block
  • README.md appears copied from OpenCode while package metadata brands MasterCoder.
  • bin/mastercoder.mjs executes a platform optional dependency binary when user runs the CLI.
Evidence against
  • package.json has no lifecycle scripts, so no install-time execution.
  • bin/mastercoder.mjs only resolves mastercoder-${platform}-${arch}/bin/mastercoder and spawnSyncs it with user CLI args.
  • No source writes files, mutates agent control surfaces, reads credentials/env, or performs network requests.
  • Package contents are limited to package.json, README.md, and bin/mastercoder.mjs.
Behavioral surface
Source
ChildProcessShell
Supply chain
UrlStrings
ManifestNo manifest risk signals triggered.
scanned 1 file(s), 884 B of source, external domains: mastercoder.ai

Source & flagged code

2 flagged · loading source
bin/mastercoder.mjsView file
3// optional dependency) and execs it with full stdio passthrough. L4: import { spawnSync } from "node:child_process" L5: import { createRequire } from "node:module"
High
Child Process

Package source references child process execution.

bin/mastercoder.mjsView on unpkg · L3
3// optional dependency) and execs it with full stdio passthrough. L4: import { spawnSync } from "node:child_process" L5: import { createRequire } from "node:module" ... L14: console.error(`MasterCoder: 이 플랫폼(${os.platform()}-${os.arch()})용 실행 파일을 찾지 못했어요.`) L15: console.error(`해결: npm install -g mastercoder --force · 안내: https://mastercoder.ai/cli/`) L16: process.exit(1)
High
Runtime Package Install

Package source invokes a package manager install command at runtime.

bin/mastercoder.mjsView on unpkg · L3

Findings

3 High1 Low
HighChild Processbin/mastercoder.mjs
HighShell
HighRuntime Package Installbin/mastercoder.mjs
LowUrl Strings