registry / @theronap/agnoclast-mcp / 0.9.263
@theronap/agnoclast-mcp@0.9.263
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AI Security Review
scanned 6d ago · by lpm-firewall-aiThe package has no install lifecycle hook, and the flagged configuration and persistence behavior is part of its explicit editor setup flow. The Antigravity adapter writes artifacts but does not activate the launch agent, whose plist also disables RunAtLoad.
Static reason
No blocking static signals were detected.
Trigger
Editor configuration writes require the user to run the install or setup command; the Antigravity watcher also requires manual activation.
Impact
No unauthorized collection, external control-surface mutation, or persistence was identified.
Mechanism
The installer writes editor configuration and, for Antigravity, generates a sync script and launchd plist. The plist does not run at load, and the code does not load it.
AI rationale
The package has no install lifecycle hook, and the flagged configuration and persistence behavior is part of its explicit editor setup flow. The Antigravity adapter writes artifacts but does not activate the launch agent, whose plist also disables RunAtLoad.
Evidence
~/.claude.json~/.claude/settings.json~/.codex/config.toml~/.codex/hooks.json~/.cursor/mcp.json~/.cortex/antigravity-sync.sh~/Library/LaunchAgents/com.cortex.antigravity-sync.plist
Network endpoints2
agnoclast.com1.1.1.1/cdn-cgi/trace
Decision evidence
public snapshotAI called this Clean at 94.0% confidence as Benign with low false-positive risk.
Evidence for AI clean decision
- The manifest has no preinstall, install, or postinstall hook; its npm scripts are release, promote, and rollback.
- Cross-editor wiring runs through the CLI's explicit install command, which calls each selected adapter's wire function.
- The Antigravity adapter writes a sync script and launchd plist but does not load the agent; the plist sets RunAtLoad to false.
- The package connects to its stated Agnoclast service; no unrelated credential collector or attack behavior was identified.
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/channel.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@0.9.263.
See all versions of @theronap/agnoclast-mcp for other recorded verdicts.
- Review the evidence and your use of @theronap/agnoclast-mcp@0.9.263 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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