registry / @theronap/cortex-mcp / 0.9.235
@theronap/cortex-mcp@0.9.235
Renamed to @theronap/agnoclast-mcp — use that. Existing installs switch themselves to the new name on next start.
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AI Security Review
scanned 20d ago · by lpm-firewall-aiNo malicious behavior was identified in the inspected source. The Antigravity adapter leaves a persistent watcher setup that requires a separate manual activation, so a warning is appropriate.
Static reason
No blocking static signals were detected.
Trigger
Run the install command with Antigravity among the selected editors, including the default mode when Antigravity is detected.
Impact
If manually activated, the watcher can run the package’s Antigravity sync when watched state changes, creating a residual persistence risk.
Mechanism
The adapter writes a plist that watches Antigravity state and runs the generated shell script; it directs the user to activate the watcher with launchctl load.
AI rationale
No malicious behavior was identified in the inspected source. The Antigravity adapter leaves a persistent watcher setup that requires a separate manual activation, so a warning is appropriate.
Evidence
lib/install.mjslib/editors/index.mjslib/editors/antigravity.mjs~/.cortex/antigravity-sync.sh~/Library/LaunchAgents/com.cortex.antigravity-sync.plist
Decision evidence
public snapshotAI called this Suspicious at 82.0% confidence as Dangerous Capability with medium false-positive risk.
Evidence for warning
- package.json has no install lifecycle hook; bin/cortex-mcp.mjs exposes installation through the explicit install command.
- The install command targets detected editors by default or editors selected by the user, then calls their adapter’s wire function.
- The Antigravity adapter writes an executable sync script and a LaunchAgents plist under the user’s home directory.
- The plist watches Antigravity state and is not set to run at load; the adapter tells the user to run launchctl load to activate it.
- The generated script is described as a one-shot Antigravity sync that resolves its token through the package helper.
- The other inspected integration paths cover editor capabilities, CLI skill locations, managed uninstall cleanup, and local transcript lookup.
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 High4 Medium5 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
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/cortex-mcp@0.9.235.
See all versions of @theronap/cortex-mcp for other recorded verdicts.
- Review the evidence and your use of @theronap/cortex-mcp@0.9.235 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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