registry / @theronap/agnoclast-mcp / 0.9.240
@theronap/agnoclast-mcp@0.9.240
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AI Security Review
scanned 18d ago · by lpm-firewall-aiSource review found no npm install lifecycle hook, and the flagged agent configuration behavior is tied to explicit CLI commands. The Antigravity watcher is written but not activated by the installer, so no concrete attack surface was established.
Static reason
No blocking static signals were detected.
Trigger
A user invokes setup, install, or uninstall from the CLI.
Impact
No unconsented agent control change or other concrete attack effect was established.
Mechanism
Setup and install configure detected editor integrations and managed skills. Uninstall removes managed entries. The Antigravity adapter writes a watcher script and plist but does not load the plist.
AI rationale
Source review found no npm install lifecycle hook, and the flagged agent configuration behavior is tied to explicit CLI commands. The Antigravity watcher is written but not activated by the installer, so no concrete attack surface was established.
Decision evidence
public snapshotAI called this Clean at 91.0% confidence as Benign with low false-positive risk.
Evidence for AI clean decision
- The manifest exposes a CLI and defines no npm install lifecycle hook; setup, install, capture, and uninstall run through explicit subcommands.
- Setup and install write the package’s MCP configuration and managed skills to detected editor locations; the reviewed adapters preserve or scope changes to those locations.
- Uninstall is an explicit command with dry-run and backup behavior; it removes managed MCP entries rather than adding agent configuration.
- The Antigravity adapter writes a watcher script and plist, but the plist is not loaded by the installer, has RunAtLoad disabled, and requires a separate load command to activate.
- The transcript helper searches the Claude projects directory for the requested session ID.
Evidence against
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetwork
HighEntropyStringsUrlStrings
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 High3 Medium6 Low
HighTrigger Reachable External Ai Agent Control Surface Mutationlib/uninstall.mjs
HighTrigger Reachable Persistencelib/editors/antigravity.mjs
HighSemantic Analysis Limitedbin/cortex-mcp.mjs#virtual:normalized:round1
MediumNetwork
MediumEnvironment Vars
MediumInstall Persistencelib/editors/antigravity.mjs
LowScripts Present
LowWeak Cryptolib/capture.mjs
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
LowSuspicious Lifecycle Evidencepackage.json
Affected versions and remediation
This report applies to @theronap/agnoclast-mcp@0.9.240.
See all versions of @theronap/agnoclast-mcp for other recorded verdicts.
- Review the evidence and your use of @theronap/agnoclast-mcp@0.9.240 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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