registry / @theronap/agnoclast-mcp / 0.9.186
@theronap/agnoclast-mcp@0.9.186
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AI Security Review
scanned 25d ago · by lpm-firewall-aiThe package has no npm install hook, and the identified agent configuration is created through an explicit install command. Its change-triggered Antigravity watcher is a guarded first-party extension capability, so warn without blocking publication.
Static reason
No blocking static signals were detected.; previous stored version diff introduced dangerous source
Trigger
A user runs the package’s install command and Antigravity integration is wired.
Impact
The configured integration can run sync after watched files change, creating ongoing local agent-related activity.
Mechanism
The adapter writes a shell script and launchd plist that watches Antigravity’s trajectory store; the plist has RunAtLoad disabled and runs on watched-path changes.
AI rationale
The package has no npm install hook, and the identified agent configuration is created through an explicit install command. Its change-triggered Antigravity watcher is a guarded first-party extension capability, so warn without blocking publication.
Evidence
bin/cortex-mcp.mjslib/install.mjslib/editors/antigravity.mjs~/.cortex/antigravity-sync.sh~/Library/LaunchAgents/com.cortex.antigravity-sync.plist
Decision evidence
public snapshotAI called this Suspicious at 91.0% confidence as Dangerous Capability with medium false-positive risk.
Evidence for warning
- The package has no npm install lifecycle hook; setup is exposed through the explicit install command.
- The Antigravity adapter generates a launchd watcher that runs on watched-path changes, with RunAtLoad disabled.
- The installer writes Antigravity sync artifacts during the explicit cross-editor install flow.
Evidence against
- Codex and Cursor adapters add only the package’s own named MCP configuration and preserve unrelated server entries.
- Uninstall targets managed Agnoclast configuration; no credential theft, destructive behavior, or unrelated control-surface mutation was established.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetwork
HighEntropyStringsUrlStrings
Source & flagged code
6 flaggedlib/capture.mjsView file
•matchType = previous_version_dangerous_delta
matchedPackage = @theronap/agnoclast-mcp@0.9.150
matchedIdentity = npm:QHRoZXJvbmFwL2Fnbm9jbGFzdC1tY3A:0.9.150
similarity = 0.826
summary = stored previous version shares package body but lacks this dangerous source file
High
Previous Version Dangerous Delta
This package version adds a dangerous source file absent from the previous stored version; route for source-aware review.
lib/capture.mjsView on unpkg1import { 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.mjs
Findings
4 High3 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
HighPrevious Version Dangerous Deltalib/capture.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@0.9.186.
See all versions of @theronap/agnoclast-mcp for other recorded verdicts.
- Review the evidence and your use of @theronap/agnoclast-mcp@0.9.186 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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