registry / @theronap/agnoclast-mcp / 0.9.273
@theronap/agnoclast-mcp@0.9.273
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AI Security Review
scanned 6d ago · by lpm-firewall-aiThe package exposes setup and editor wiring through explicit CLI commands, and its Antigravity adapter writes but does not load persistence artifacts. The confidential-session proof and token are sent to Agnoclast to request a seat token, consistent with the package’s stated purpose.
Static reason
No blocking static signals were detected.; previous stored version diff introduced dangerous source
Trigger
Explicit `install` or `channel` CLI command; confidential-session server startup after the user launches that session.
Impact
No unauthorized persistence, credential exfiltration, or agent-control mutation was identified.
Mechanism
Writes editor configuration and Antigravity artifacts for setup; the confidential flow sends account proof and the user’s Agnoclast token to request access from Agnoclast.
AI rationale
The package exposes setup and editor wiring through explicit CLI commands, and its Antigravity adapter writes but does not load persistence artifacts. The confidential-session proof and token are sent to Agnoclast to request a seat token, consistent with the package’s stated purpose.
Evidence
~/.cortex/antigravity-sync.sh~/Library/LaunchAgents/com.cortex.antigravity-sync.plist
Network endpoints1
Agnoclast base URL configured by the user: `/api/brains/confidential/agent-session`
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 defines a CLI entry point and no install, preinstall, or postinstall lifecycle hook.
- Antigravity artifacts are written only when its adapter is run through the explicit `install` command.
- The Antigravity adapter says it does not load the LaunchAgent and tells the user to run `launchctl load` to activate it.
- Confidential-session account proof is sent with the user’s Agnoclast token to the Agnoclast agent-session endpoint to request a seat token.
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
4 High3 Medium5 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
HighPrevious Version Dangerous Deltalib/confidential_session.mjs
MediumNetwork
MediumEnvironment Vars
MediumInstall Persistencelib/editors/antigravity.mjs
LowScripts Present
LowWeak Cryptolib/capture.mjs
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
Affected versions and remediation
This report applies to @theronap/agnoclast-mcp@0.9.273.
See all versions of @theronap/agnoclast-mcp for other recorded verdicts.
- Review the evidence and your use of @theronap/agnoclast-mcp@0.9.273 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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