registry / @theronap/agnoclast-mcp / 0.9.281
@theronap/agnoclast-mcp@0.9.281
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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 reached through explicit user commands. The Codex ID token is used as identity proof for the package’s confidential-brain feature and sent to Agnoclast, with no evidence of an unrelated destination or purpose.
Static reason
No blocking static signals were detected.; previous stored version diff introduced dangerous source
Trigger
MCP server startup performs a confidential-seat check; editor wiring and channel changes require explicit commands.
Impact
No malicious impact identified from the reviewed source.
Mechanism
The package contacts its service for account and brain operations. No unrelated collector, automatic install hook, or automatically activated persistence was found.
AI rationale
The package has no install lifecycle hook, and the flagged configuration and persistence behavior is reached through explicit user commands. The Codex ID token is used as identity proof for the package’s confidential-brain feature and sent to Agnoclast, with no evidence of an unrelated destination or purpose.
Network endpoints1
agnoclast.com
Decision evidence
public snapshotAI called this Clean at 90.0% confidence as Benign with low false-positive risk.
Evidence for AI clean decision
- package.json has no install lifecycle hook; its scripts are release, promote, and rollback tasks.
- At server startup, the account proof is requested only if Agnoclast reports confidential seats for the user.
- The Codex ID token is used as account proof for confidential brain access and sent to the confidential-session endpoint on the package service.
- Antigravity setup writes its artifacts only when its adapter is wired and explicitly does not load the launch agent.
- The channel command reports status without an argument; changing the channel requires an explicit stable or latest argument.
Evidence against
- The package reads a Codex ID token and sends proof to Agnoclast when confidential seats exist, but this is tied to the package’s confidential-brain account-verification feature.
- The flagged editor configuration and persistence behavior is user-invoked setup behavior; the Antigravity launch agent is not activated by the adapter.
Behavioral surface
ChildProcessCryptoEnvironmentVars
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/editors/claude.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@0.9.281.
See all versions of @theronap/agnoclast-mcp for other recorded verdicts.
- Review the evidence and your use of @theronap/agnoclast-mcp@0.9.281 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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