registry / gm-plugkit / 2.0.2498

gm-plugkit@2.0.2498

Bootstrap and daemon-spawn tool for gm plugkit binary. Downloads the correct platform wasm, verifies SHA256, and launches agentplug-runner (the native wasm host) as the spool watcher daemon.

AI Security Review

scanned 3mo ago · by lpm-firewall-ai

The behavior is a concrete, user-invoked agent-extension setup with persistent project/global instruction changes and native payload execution. No lifecycle hook, credential theft, or covert exfiltration was found, so it warrants warning rather than block.

Static reason

High-risk behavior combination matched malicious policy.

Trigger

User runs gm-plugkit (for example via bun x/npx).

Impact

Project and global agent behavior can be redirected through .gm spool instructions and refreshed skills.

Mechanism

agent instruction wiring plus verified binary download and daemon launch

AI rationale

Evidence

package.jsoncli.jsbootstrap.jsbootstrap-shared.jsbootstrap-wasm-core.jsCLAUDE.mdAGENTS.md.gm/next-step.md.gm/instructions/~/.agents/skills/*/SKILL.md~/.claude/skills/*/SKILL.md~/.gm-tools/agentplug-runner

Network endpoints4

github.com/AnEntrypoint/plugkit-bin/releases/download/v${version}api.github.com/repos/AnEntrypoint/agentplug-bin/releases/latestraw.githubusercontent.com/AnEntrypoint/gm/main/skills/${skillName}/SKILL.mdregistry.npmjs.org/gm-plugkit/latest

Decision evidence

public snapshot

AI called this Suspicious at 94.0% confidence as Dangerous Capability with low false-positive risk.

Evidence for warning

bootstrap.js runs project wiring on ensureReady
bootstrap-shared.js edits CLAUDE.md and AGENTS.md
bootstrap.js refreshes skills in ~/.agents and ~/.claude
cli.js downloads and executes agentplug-runner daemon

Evidence against

package.json has no lifecycle scripts
Activation requires explicit CLI invocation
Downloads are SHA-256 checked
No credential harvesting or exfiltration found

Behavioral surface

Source

ChildProcessCryptoEnvironmentVarsFilesystemNetwork

Supply chain

HighEntropyStringsUrlStrings

ManifestNo manifest risk signals triggered.

scanned 7 file(s), 74.7 KB of source, external domains: api.github.com, codeload.github.com, github.com, raw.githubusercontent.com, registry.npmjs.org

Source & flagged code

3 flagged

bootstrap-shared.jsView file

Lines 1-25javascript

1'use strict';

3const fs = require('fs');

4const path = require('path');

5const os = require('os');

6const { spawnSync } = require('child_process');

7const { pidAlive, sha256OfFileSync } = require('./gm-process');

High

Child Process

Package source references child process execution.

bootstrap-shared.jsView on unpkg · L5

10const LOCK_STALE_MS = 30 * 60 * 1000;

11const ATTEMPT_TIMEOUT_MS = 10 * 60 * 1000;

13function obsEvent(subsystem, event, fields) {

14 if (process.env.GM_LOG_DISABLE) return;

15 try {

16 const root = process.env.GM_LOG_DIR || path.join(os.homedir(), '.claude', 'gm-log');

17 const day = new Date().toISOString().slice(0, 10);

18 const dir = path.join(root, day);

19 fs.mkdirSync(dir, { recursive: true });

20 const line = JSON.stringify({

21 ts: new Date().toISOString(),

22 sub: subsystem,

23 event,

24 pid: process.pid,

25 sess: process.env.CLAUDE_SESSION_ID || process.env.GM_SESSION_ID || '',

bootstrap.jsView file

Lines 1-27javascript

1#!/usr/bin/env node

2'use strict';

4const fs = require('fs');

5const path = require('path');

Source & flagged code

3 flagged · loading source

bootstrap-shared.jsView file

5const os = require('os'); L6: const { spawnSync } = require('child_process'); L7: const { pidAlive, sha256OfFileSync } = require('./gm-process');

High

Child Process

Package source references child process execution.

bootstrap-shared.jsView on unpkg · L5

bootstrap.jsView file

7const crypto = require('crypto'); L8: const { spawn, spawnSync } = require('child_process'); L9: const { sha256OfFile, sha256OfFileSync } = require('./gm-process'); ... L37: L38: const wrapperDir = __dirname; L39: ... L44: try { L45: const ownPkg = JSON.parse(fs.readFileSync(path.join(__dirname, 'package.json'), 'utf-8')); L46: if (ownPkg && ownPkg.version) { ... L167: const dir = gmToolsDir(); L168: const names = process.platform === 'win32' L169: ? ['agentplug-runner.exe']

Critical

Download Execute

Source downloads or fetches remote code and executes it.

bootstrap.jsView on unpkg · L7

7Trigger-reachable chain: manifest.main -> index.js -> bootstrap.js L7: const crypto = require('crypto'); L8: const { spawn, spawnSync } = require('child_process'); L9: const { sha256OfFile, sha256OfFileSync } = require('./gm-process'); ... L37: L38: const wrapperDir = __dirname; L39: ... L44: try { L45: const ownPkg = JSON.parse(fs.readFileSync(path.join(__dirname, 'package.json'), 'utf-8')); L46: if (ownPkg && ownPkg.version) { ... L167: const dir = gmToolsDir(); L168: const names = process.platform === 'win32' L169: ? ['agentplug-runner.exe']

Findings

2 Critical1 High3 Medium3 Low

CriticalDownload Executebootstrap.js

CriticalTrigger Reachable Dangerous Capabilitybootstrap.js

HighChild Processbootstrap-shared.js

MediumNetwork

MediumEnvironment Vars

MediumStructural Risk Force Deep Review

LowFilesystem

LowHigh Entropy Strings

LowUrl Strings

Affected versions and remediation

This report applies to gm-plugkit@2.0.2498.

See all versions of gm-plugkit for other recorded verdicts.

Review the evidence and your use of gm-plugkit@2.0.2498 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: 2026-08-06 11:53:05.075Z (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