registry / @theronap/agnoclast-mcp / 0.9.152
@theronap/agnoclast-mcp@0.9.152
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AI Security Review
scanned 25d ago · by lpm-firewall-aiThe inspected source shows no npm install hook or confirmed attack. The optional Antigravity setup creates agent-related persistence artifacts that require separate user activation, so it warrants a warning under the agent integration policy.
Static reason
No blocking static signals were detected.
Trigger
The user invokes the package’s setup or editor installation command with Antigravity selected.
Impact
If manually activated, the watcher can run the package’s configured synchronization behavior when Antigravity state changes.
Mechanism
The adapter writes a sync script and launch agent file; a separate manual launch command is needed to activate the watcher.
AI rationale
The inspected source shows no npm install hook or confirmed attack. The optional Antigravity setup creates agent-related persistence artifacts that require separate user activation, so it warrants a warning under the agent integration policy.
Evidence
lib/editors/antigravity.mjslib/editors/index.mjs~/.cortex/antigravity-sync.sh~/Library/LaunchAgents/com.cortex.antigravity-sync.plist
Decision evidence
public snapshotAI called this Suspicious at 87.0% confidence as Dangerous Capability with medium false-positive risk.
Evidence for warning
- The manifest exposes a command-line entry point and has no install lifecycle hook.
- Setup is invoked through an explicit command and requires a supplied token.
- The editor registry can select Antigravity during setup; its adapter writes a sync script and a launch agent file.
- The Antigravity adapter does not activate the watcher itself and reports that manual activation is required.
- Codex and Cursor adapters only detect whether their respective configuration directories exist.
- Diagnosis resolves a token already configured for the package’s capture hook.
Evidence against
- Uninstall supports a dry run and edits existing settings through the package’s uninstall command.
- The inspected manifest and source show no automatic npm install-time mutation or unrelated network recipient.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetworkShell
Source & flagged code
6 flaggedlib/capture.mjsView file
1import { readFileSync, accessSync, constants, openSync, mkdirSync } from 'fs'
L2: import { spawn, execFileSync } from 'child_process'
L3: import { homedir } from 'os'
...
L21: if (!res.ok) return null
L22: const j = await res.json().catch(() => ({}))
L23: return Array.isArray(j.types) ? j.types : null
...
L35: try {
L36: if (resolve(String(cwd)) === homedir()) return 'general'
L37: } catch { /* unresolvable path — fall through to basename */ }
...
L45: //
L46: // Handles the four remote forms git emits: scp-like ssh (git@github.com:o/n.git), ssh://, https://,
L47: // git://. The HOST CHECK IS LOAD-BEARING, not cosmetic: this string becomes a clearance key, and
Low
Weak Crypto
Package source references weak cryptographic algorithms.
lib/capture.mjsView on unpkg · L1lib/editors/antigravity.mjsView file
4Trigger-reachable persistence chain: manifest.bin -> bin/cortex-mcp.mjs -> lib/install.mjs -> lib/editors/index.mjs -> lib/editors/antigravity.mjs
L4: // WatchPaths the trajectory store and runs a one-shot sync. wire() generates the two artifacts
L5: // (the sync.sh + the launchd plist) deterministically. It does NOT run `launchctl load` here
L6: // (an unverifiable system mutation) and it flags the PORTABILITY BLOCKER below.
...
L21: /** The launchd plist, home-substituted. Deterministic — golden-testable byte-for-byte. */
L22: export function renderAntigravityPlist({ home = homedir() } = {}) {
L23: const sh = join(home, '.cortex', 'antigravity-sync.sh')
...
L33: <array>
L34: <string>/bin/bash</string>
L35: <string>${sh}</string>
Findings
3 High4 Medium5 Low
HighTrigger Reachable External Ai Agent Control Surface Mutationlib/uninstall.mjs
HighTrigger Reachable Persistencelib/editors/antigravity.mjs
HighSemantic Analysis Limitedlib/diagnose.mjs#virtual:normalized:round1
MediumNetwork
MediumEnvironment Vars
MediumInstall Persistencelib/editors/antigravity.mjs
MediumSuspicious Lifecycle Evidencepackage.json
LowScripts Present
LowWeak Cryptolib/capture.mjs
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
Affected versions and remediation
This report applies to @theronap/agnoclast-mcp@0.9.152.
See all versions of @theronap/agnoclast-mcp for other recorded verdicts.
- Review the evidence and your use of @theronap/agnoclast-mcp@0.9.152 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: .
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