karajan-code@4.31.0

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

AI Security Review

scanned 23d ago · by lpm-firewall-ai

Source proves automatic first-party MCP setup without a consent prompt. The supplied policy classifies package-owned agent extension setup as a warning unless separate concrete attack behavior is established.

Static reason

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

Trigger

npm installation invokes the postinstall hook.

Impact

Agents can gain access to the package's MCP tools; subsequent installations can refresh the registration without renewed consent.

Mechanism

The hook reads global agent configuration and writes a karajan-mcp launch entry pointing to the installed package's local server, without prompting.

AI rationale

Evidence

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

Decision evidence

public snapshot

AI called this Suspicious at 96.0% confidence as Dangerous Capability with medium false-positive risk.

Evidence for warning

package.json automatically runs scripts/postinstall.js after installation.
The postinstall caller configures both agents without a consent gate.
The Claude configuration receives a karajan-mcp entry launching the package's local server.
The Codex configuration is updated with the package's MCP registration.

Evidence against

The registration targets the package's own MCP server rather than an unrelated payload.
The inspected hook preserves unrelated configuration entries; no credential forwarding or remote payload execution was identified.

Behavioral surface

Source

ChildProcessCryptoDynamicRequireEnvironmentVarsFilesystemNetworkShellWebSocket

Supply chain

HighEntropyStringsUrlStrings

Manifest

CopyleftLicense

scanned 672 file(s), 3.57 MB of source, external domains: aider.chat, aistudio.google.com, antigravity.google, api.github.com, cli.github.com, console.anthropic.com, developers.openai.com, docs.anthropic.com, docs.docker.com, docs.github.com, docs.sonarsource.com, firestore.googleapis.com, fonts.googleapis.com, fonts.gstatic.com, get.docker.com, git-scm.com, github.com, google.github.io, karajan-code.web.app, karajancode.com, nodejs.org, ollama.com, opencode.ai, platform.openai.com, raw.githubusercontent.com, registry.npmjs.org, semgrep.dev, sonarcloud.io, www.docker.com, www.w3.org

Source & flagged code

24 flagged

package.jsonView file

Lines 56-96json

56 "vendor/tree-sitter-grammars/",

57 "packages/hu-board/src/",

58 "packages/hu-board/public/",

59 "packages/hu-board/package.json",

60 "packages/ai-trash/src/",

61 "packages/ai-trash/bin/",

62 "packages/ai-trash/package.json",

63 "docs/karajan-code-logo-small.png",

64 "docs/README.es.md",

65 "LICENSE",

66 "README.md"

67 ],

68 "bin": {

69 "kj": "bin/kj.js",

70 "kj-tail": "bin/kj-tail",

71 "kj-trash": "packages/ai-trash/bin/kj-trash.js",

72 "karajan-mcp": "bin/karajan-mcp.js",

73 "kj-rag-mcp": "bin/kj-rag-mcp.js"

74 },

75 "scripts": {

76 "postinstall": "node scripts/postinstall.js",

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg · L76

Medium

Ambiguous Install Lifecycle Script

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

package.jsonView on unpkg · L76

77 "setup": "node scripts/install.js",

78 "test": "vitest run",

79 "test:watch": "vitest",

80 "test:coverage": "vitest run --coverage",

81 "lint": "eslint src/ packages/",

82 "lint:fix": "eslint src/ packages/ --fix",

83 "lint:syntax": "((command -v rg >/dev/null 2>&1 && rg --files src tests | rg '\\.js$') || find src tests -type f -name '*.js') | while IFS= read -r f; do node --check \"$f\"; done",

84 "format:check": "prettier --check .",

85 "format:fix": "prettier --write .",

86 "typecheck": "npx -p typescript@5 tsc --noEmit -p tsconfig.json",

87 "validate": "npm run lint && npm run lint:syntax && npm test",

88 "mcp": "node src/mcp/server.js",

89 "audit:test-diet": "node scripts/audit-test-diet.mjs",

90 "verify-pack": "node scripts/verify-pack.mjs",

91 "prepublishOnly": "node scripts/verify-pack.mjs",

92 "verify-quickstart": "node scripts/quickstart-gate.mjs"

93 },

94 "simple-git-hooks": {

95 "pre-commit": "npx lint-staged"

96 },

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 *

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: ${binPath

src/sonar/project-key.jsView file

Lines 39-79javascript

39 const raw = String(remoteUrl || "").trim();

40 if (!raw) return null;

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

scripts/postinstall.jsView file

Lines 6-46javascript

6 * - Non-interactive, silent on success.

7 * - Idempotent: safe to run many times.

8 * - Never fails hard (exits 0 even on error) so `npm install` is not blocked.

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 = 23

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 = normalized_sha256 matchedPackage = karajan-code@4.31.1 matchedPath = src/cli/register-meta.js matchedIdentity = npm:a2FyYWphbi1jb2Rl:4.31.1 similarity = 1.000 summary = normalized source hash matched finalized malicious source

High