registry / @theronap/agnoclast-mcp / 0.9.164
@theronap/agnoclast-mcp@0.9.164
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AI Security Review
scanned 25d ago · by lpm-firewall-aiSource inspection found no install lifecycle hook or confirmed attack chain. The flagged configuration writes are part of explicit package setup, the uninstall finding removes managed entries, and the Antigravity watcher is not activated by the adapter.
Static reason
No blocking static signals were detected.
Trigger
A user runs the setup or install command; Antigravity activation additionally requires a separate user command.
Impact
No confirmed unauthorized control-surface change, data theft, or active persistence was established.
Mechanism
Setup writes package-specific agent configuration, and install may create an Antigravity watcher script and launch agent file. The reviewed adapter does not activate that agent.
AI rationale
Source inspection found no install lifecycle hook or confirmed attack chain. The flagged configuration writes are part of explicit package setup, the uninstall finding removes managed entries, and the Antigravity watcher is not activated by the adapter.
Decision evidence
public snapshotAI called this Clean at 89.0% confidence as Benign with low false-positive risk.
Evidence for AI clean decision
- The manifest defines a CLI entry point and no install lifecycle hook.
- Codex and Cursor adapters add this package’s MCP server to their own configuration; these are setup behaviors.
- Setup writes the user-provided token and MCP configuration when explicitly run.
- The Antigravity adapter writes a watcher script and launch agent file, but does not activate the watcher; it warns that activation requires a separate user command.
- Uninstall removes managed hooks and launch agents, matching the flagged cleanup behavior.
- Diagnosis reads tokens from the package’s own configured MCP entries; the reviewed source does not establish an unrelated recipient.
Evidence against
- The explicit install command can write an Antigravity launch agent and sync script, creating a persistence capability if the user later activates it.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetwork
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 Limitedlib/diagnose.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@0.9.164.
See all versions of @theronap/agnoclast-mcp for other recorded verdicts.
- Review the evidence and your use of @theronap/agnoclast-mcp@0.9.164 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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