registry / @theronap/agnoclast-mcp / 0.9.217
@theronap/agnoclast-mcp@0.9.217
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AI Security Review
scanned 25d ago · by lpm-firewall-aiThe source shows explicit-command setup for first-party agent integrations and skill installation, which warrants a warning under the agent integration policy. No malicious behavior or unconsented install-time mutation was confirmed.
Static reason
No blocking static signals were detected.; previous stored version diff introduced dangerous source
Trigger
A user runs the package setup command; Antigravity activation additionally requires a separate launch command.
Impact
Agent sessions may load the package's configured tools, hooks, and skills, and the watcher can sync activity after user activation.
Mechanism
Setup writes agent configuration and capture hooks, and installs or repairs package-provided skills. The Antigravity adapter creates a watcher script and launch agent file.
AI rationale
The source shows explicit-command setup for first-party agent integrations and skill installation, which warrants a warning under the agent integration policy. No malicious behavior or unconsented install-time mutation was confirmed.
Evidence
lib/setup.mjslib/skills.mjslib/editors/antigravity.mjs
Decision evidence
public snapshotAI called this Suspicious at 84.0% confidence as Dangerous Capability with medium false-positive risk.
Evidence for warning
- The package exposes setup as an explicit command, and setup wires agent configuration and capture hooks.
- Setup installs or repairs bundled skills for Claude and Codex, while the skill code backs up changed files before replacing them.
- The Antigravity adapter writes a watcher script and launch agent file; it reports that activation requires a separate user command.
- The flagged Codex and Cursor locations describe editor adapters, the uninstall location targets cleanup paths, and the working-files location reads Claude transcripts.
- No unconsented install lifecycle hook or confirmed attack behavior was identified.
Evidence against
- The manifest has no preinstall, install, or postinstall hook.
- The setup path accepts a supplied token and backs up existing configuration before writing; Antigravity watcher activation is not automatic.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetwork
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 = 0.717
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@0.9.217.
See all versions of @theronap/agnoclast-mcp for other recorded verdicts.
- Review the evidence and your use of @theronap/agnoclast-mcp@0.9.217 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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