registry / @karajan-family/code / 4.50.0

@karajan-family/code@4.50.0

Local multi-agent coding orchestrator with TDD, SonarQube, and code review pipeline

AI Security Review

scanned 10d ago · by lpm-firewall-ai

The npm postinstall automatically modifies two agent configuration files to register the package's own MCP server. Under the first-party extension setup policy, this is suspicious and warrants a warning, not a publish block.

Static reason

High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review

Trigger

Installing the package through npm triggers its postinstall script.

Impact

The package's MCP server becomes available to those host applications without an explicit setup command.

Mechanism

The script writes a karajan-mcp entry to ~/.claude.json and adds a managed MCP block to ~/.codex/config.toml.

AI rationale

Evidence

package.jsonscripts/postinstall.js~/.claude.json~/.codex/config.toml

Decision evidence

public snapshot

AI called this Suspicious at 91.0% confidence as Dangerous Capability with medium false-positive risk.

Evidence for warning

package.json runs scripts/postinstall.js during npm installation.
The postinstall writes this package's karajan-mcp server entry to Claude Code and Codex user configuration without a per-install consent check.
The setup registers the package's own MCP server; no unrelated recipient or credential transfer is shown.
Other inspected agent-related locations concern explicit setup commands, project checks, or managed guideline files.

Evidence against

The MCP registration is first-party package setup, which supports a warning rather than a publish block.
The inspected sources show no network endpoint or credential transfer in this setup.

Behavioral surface

Source

ChildProcessCryptoDynamicRequireEnvironmentVarsFilesystemNetworkShellWebSocket

Supply chain

HighEntropyStringsUrlStrings

Manifest

Source & flagged code

25 flagged

package.jsonView file

•scripts.postinstall = node scripts/postinstall.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.postinstall = node scripts/postinstall.js

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg

scripts/dual-publish.mjsView file

Lines 1-37javascript

1#!/usr/bin/env node

2/**

3 * dual-publish (MIG-A, KJC-TSK-0751, épica KJC-PCS-0077, ADR 0004) — el

4 * MISMO contenido sale bajo dos nombres npm durante la migración al scope:

5 * karajan-code (legacy, publish normal) y @karajan-family/code (scoped).

6 *

7 * Uso:

8 * node scripts/dual-publish.mjs --pack-only # genera+verifica el tarball scoped

9 * node scripts/dual-publish.mjs --publish --otp=XXX # publica el scoped (tras publicar el legacy)

10 *

11 * El swap del name es EN SITIO con restauración en finally: un crash a mitad

12 * no deja el manifest renombrado. La verificación es el MISMO verify-pack

13 * (name-agnóstico desde la parte 1): empaqueta, instala aislado y corre kj.

14 * El PRIMER publish del scoped lo hace el usuario (cuenta karajan-family,

15 * security key); los siguientes van con la sesión normal.

16 */

17import { readFileSync, writeFileSync } from "node:fs";

18import { execFileSync } from "node:child_process";

19import { join, dirname, resolve } from "node:path";

High

Child Process

Package source references child process execution.

scripts/dual-publish.mjsView on unpkg · L17

20import { fileURLToPath } from "node:url";

22export const LEGACY_NAME = "karajan-code";

23export const SCOPED_NAME = "@karajan-family/code";

25/**

26 * Ejecuta `fn` con el manifest renombrado al scoped (+ publishConfig public,

27 * obligatorio para scoped) y lo RESTAURA byte a byte pase lo que pase.

28 */

29export async function withScopedName(repoRoot, fn) {

30 const pkgPath = join(repoRoot, "package.json");

31 const original = readFileSync(pkgPath, "utf8");

32 const pkg = JSON.parse(original);

33 if (pkg.name !== LEGACY_NAME) {

34 throw new Error(`dual-publish: el manifest dice "${pkg.name}" y solo se renombra desde ${LEGACY_NAME} — jamás a ciegas`);

35 }

36 // publishConfig se MERGEA, no se pisa (catch de codex): un registry/tag

37 // preexistente debe sobrevivir al publish scoped.

src/review/card-verify.jsView file

Lines 1-37javascript

1/**

2 * card-verify — KJC-TSK-0732 (issue #1371). With a declared tracker,

3 * card-first upgrades "the branch names a card" to "the tracker says that

4 * card is ALIVE". Transport-agnostic: `board.verify_cmd` is the USER'S

5 * adapter (their CLI/MCP wrapper — credentials never enter kj) printing

6 * {exists, live, status?} JSON on stdout. Unverifiable NEVER blocks: it

7 * degrades to branch-ref level SAYING SO — a gate must not claim a check

8 * it didn't make, in either direction. Definitive verdicts are cached

9 * briefly; degradations never are, so recovery is immediate.

scripts/verify-pack.mjsView file

Lines 94-134javascript

95 const binPath = path.join(tmpDir, "node_modules", ".bin", "kj");

96 if (!fs.existsSync(binPath)) fail(`kj binary missing after install: ${

src/sonar/project-key.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.49.3 matchedPath = src/sonar/project-key.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.49.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

src/sonar/project-key.jsView on unpkg

83const explicit = String( L84: options.projectKey || process.env.KJ_SONAR_PROJECT_KEY || config?.sonarqube?.project_key || "" L85: ).trim(); ... L99: const remote = await runCommand("git", ["config", "--get", "remote.origin.url"]); L100: const remoteUrl = String(remote.stdout || "").trim(); L101: if (remote.exitCode !== 0 || !remoteUrl) {

Low

Weak Crypto

Package source references weak cryptographic algorithms.

src/sonar/project-key.jsView on unpkg · L83

scripts/install.jsView file

Lines 1-24javascript

1#!/usr/bin/env node

2import fs from "node:fs/promises";

3import os from "node:os";

4import path from "node:path";

5import { spawn } from

src/audit/circular-deps.jsView file

Lines 55-95javascript

55/**

56 * Collect circular-import findings for a project.

57 *

58 * @param {string} projectDir

59 * @param {object} stack - shape returned by detectProjectStack()

60 * @param {object}

scripts/postinstall.jsView file

26await fs.mkdir(path.dirname(file), { recursive: true }); L27: await fs.writeFile(file, `${JSON.stringify(obj, null, 2)}\n`, "utf8"); L28: } L29: L30: const CLAUDE_JSON_PATH = path.join(os.homedir(), ".claude.json"); L31: ... L77: async function setupClaudeMcp(config, kjHome) { L78: config.mcpServers = config.mcpServers || {}; L79: // Keep every env key the user added to the entry; only the home is ours, L80: // and it is written under the current name (KJ_HOME is deprecated). L81: const { KJ_HOME: _stale, ...userEnv } = config.mcpServers["karajan-mcp"]?.env || {}; L82: config.mcpServers["karajan-mcp"] = {

Critical

Ai Agent Control Hijack

Source creates an unconsented AI-agent control surface through install-time mutation or a default unauthenticated remote skill channel.

scripts/postinstall.jsView on unpkg · L26

src/audit/basal-cost.jsView file

76return new Promise((resolve) => { L77: execFile("npx", ["depcheck", "--json"], { cwd: projectDir, timeout: 30000 }, (err, stdout) => { L78: if (err && !stdout) {

High

Runtime Package Install

Package source invokes a package manager install command at runtime.

src/audit/basal-cost.jsView on unpkg · L76

vendor/tree-sitter-grammars/python.wasmView file

•path = vendor/tree-sitter-grammars/python.wasm kind = wasm_module sizeBytes = 457883 magicHex = [redacted]

Medium

Ships Wasm Module

Package ships WebAssembly modules.

vendor/tree-sitter-grammars/python.wasmView on unpkg

scripts/install-binary.shView file

•path = scripts/install-binary.sh kind = build_helper sizeBytes = 7790 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

scripts/install-binary.shView on unpkg

bin/kj-tailView file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 24

High

Semantic Analysis Limited

A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.

bin/kj-tailView on unpkg

src/cli/register-meta.jsView file

•matchType = token_shingles matchedPackage = karajan-code@4.49.3 matchedPath = src/cli/register-meta.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.49.3 similarity = 1.000 shingleOverlap = 48 summary = source token shingles overlapped finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

src/cli/register-meta.jsView on unpkg

src/commands/board.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.49.3 matchedPath = src/commands/board.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.49.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

src/commands/board.jsView on unpkg

src/utils/update-check.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.49.3 matchedPath = src/utils/update-check.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.49.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

src/utils/update-check.jsView on unpkg

packages/ai-trash/src/git-snapshot.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.49.3 matchedPath = packages/ai-trash/src/git-snapshot.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.49.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

packages/ai-trash/src/git-snapshot.jsView on unpkg

src/commands/audit.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.49.3 matchedPath = src/commands/audit.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.49.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

src/commands/audit.jsView on unpkg

src/commands/go.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.49.3 matchedPath = src/commands/go.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.49.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

src/commands/go.jsView on unpkg

src/commands/install-tools.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.49.3 matchedPath = src/commands/install-tools.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.49.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

src/commands/install-tools.jsView on unpkg

src/hu/store.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.49.3 matchedPath = src/hu/store.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.49.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

src/hu/store.jsView on unpkg

src/utils/tool-installer.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.49.3 matchedPath = src/utils/tool-installer.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.49.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

src/utils/tool-installer.jsView on unpkg

src/checks/mcp-health.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.49.3 matchedPath = src/checks/mcp-health.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.49.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

src/checks/mcp-health.jsView on unpkg

src/commands/init.jsView file

•matchType = normalized_sha256 matchedPackage = karajan-code@4.49.3 matchedPath = src/commands/init.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.49.3 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High

Known Malware Source Similarity

Source file is highly similar to a previously finalized malicious package; route for source-aware review.

src/commands/init.jsView on unpkg

Source & flagged code

25 flagged · loading source

package.jsonView file

•scripts.postinstall = node scripts/postinstall.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

•scripts.postinstall = node scripts/postinstall.js

Medium

Ambiguous Install Lifecycle Script

Install-time lifecycle script is not statically allowlisted and needs review.

package.jsonView on unpkg

scripts/dual-publish.mjsView file

17import { readFileSync, writeFileSync } from "node:fs"; L18: import { execFileSync } from "node:child_process"; L19: import { join, dirname, resolve } from "node:path";

High

Child Process

Package source references child process execution.

scripts/dual-publish.mjsView on unpkg · L17

Findings

1 Critical18 High8 Medium7 Low

CriticalAi Agent Control Hijackscripts/postinstall.js

HighInstall Time Lifecycle Scriptspackage.json

HighChild Processscripts/dual-publish.mjs

HighShellsrc/review/card-verify.js

HighCopied Package Dependency Bridgesrc/audit/circular-deps.js

HighRuntime Package Installsrc/audit/basal-cost.js

HighSemantic Analysis Limitedbin/kj-tail

HighKnown Malware Source Similaritysrc/cli/register-meta.js

HighKnown Malware Source Similaritysrc/commands/board.js

HighKnown Malware Source Similaritysrc/utils/update-check.js

HighKnown Malware Source Similaritypackages/ai-trash/src/git-snapshot.js

Affected versions and remediation

This report applies to @karajan-family/code@4.50.0.

See all versions of @karajan-family/code for other recorded verdicts.

Review the evidence and your use of @karajan-family/code@4.50.0 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: 2026-10-13 09:18:18.910Z (UTC).

Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.

AI Security Review

Decision evidence

Source & flagged code

Source & flagged code

Findings

Affected versions and remediation

Runtime surface

Behavioral surface

Source & flagged code