registry / @mulmoclaude/core / 4.7.0
@mulmoclaude/core@4.7.0
Shared server-side core for MulmoClaude and MulmoTerminal — the always-shipped-together subsystems consolidated behind subpath exports so the two hosts can't drift. Server-only except the browser-safe ./artifacts, ./whisper/client, ./workspace-setup/slug,
AI Security Review
scanned 2mo ago · by lpm-firewall-aiThis is a guarded runtime capability rather than an automatic install attack. Its ability to activate workspace Claude skills warrants a warning, while the absence of lifecycle hooks, self-dependency, and exfiltration evidence does not support a malware verdict.
Static reason
One or more suspicious static signals were detected.
Trigger
A host invokes mirrorSkillWrite or mirrorSkillDelete with a workspace path.
Impact
A caller-controlled staged skill can become active in the workspace agent control surface.
Mechanism
Allowlisted staging-to-Claude-skill mirroring.
AI rationale
This is a guarded runtime capability rather than an automatic install attack. Its ability to activate workspace Claude skills warrants a warning, while the absence of lifecycle hooks, self-dependency, and exfiltration evidence does not support a malware verdict.
Evidence
package.jsondist/skill-bridge/index.jsdata/skills/<slug>/SKILL.md.claude/skills/<slug>/SKILL.md.claude/skills/<slug>/schema.json.claude/skills/<slug>/templates/<path>
Decision evidence
public snapshotAI called this Suspicious at 87.0% confidence as Dangerous Capability with medium false-positive risk.
Evidence for warning
- The package publicly exports a skill bridge.
- The bridge copies allowlisted staged skill content into a workspace Claude skills directory.
- The bridge can recursively remove a mirrored active skill directory.
Evidence against
- The manifest has no install lifecycle hook or self-dependency.
- The bridge only runs when a host calls its exported functions and constrains paths to a staged directory and allowlist.
- No concrete secret harvesting, covert exfiltration, or remote payload execution was found.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetworkShell
HighEntropyStringsMinifiedTelemetryUrlStrings
Source & flagged code
4 flagged · loading sourcedist/discovery-2TvulIz8.cjsView file
1451package = @mulmoclaude/core; repositoryIdentity = mulmoclaude; dependency = @duckdb/node-api
L1451: async function duckDbInstance() {
L1452: if (instancePromise === null) instancePromise = import("@duckdb/node-api").then((mod) => mod.DuckDBInstance.create(":memory:"));
L1453: try {
High
Copied Package Dependency Bridge
Package metadata claims a different repository identity while copied source loads a runtime dependency bridge.
dist/discovery-2TvulIz8.cjsView on unpkg · L1451dist/skill-bridge/index.jsView file
•Manifest-trigger-reachable source links an external AI-agent control path to a behavior-bearing write operation.
import { t as issafeactiontemplatepath } from "../templatepath-k_wnbl_q.js";
import { mkdirsync, readfilesync, renamesync, rmsync, writefilesync } from "node:fs";
import path from "node:path";
var data_skills_dir = path.join("data", "skills");
var claude_skills_dir = path.join(".claude", "skills");
var sk[redacted] = "skill.md";
var schema_filename = "schema.json";
var slug_re = /^[a-z0-9]+(-[a-z0-9]+)*$/;
var rm_re = /^\s*rm\s+((?:-[a-za-z]+\s+)+)['"]?data\/skills\/([a-z0-9-]+)\/?['"]?\s*$/;
var recursive_flag_re = /[rr]/;
/** `<workspaceroot>/data/skills/<slug>` — the staging dir for a skill. */
function dataskilldir(workspaceroot, slug) {
Findings
3 High4 Medium5 Low
HighCopied Package Dependency Bridgedist/discovery-2TvulIz8.cjs
HighTrigger Reachable External Ai Agent Control Surface Mutationdist/skill-bridge/index.js
HighSemantic Analysis Limiteddist/promptSafety-Cv-SoTd4.cjs#virtual:normalized:round1
MediumNetwork
MediumEnvironment Vars
MediumStructural Risk Force Deep Review
MediumAi Review Evidencepackage.json
LowScripts Present
LowFilesystem
LowHigh Entropy Strings
LowTelemetry
LowUrl Strings
Affected versions and remediation
This report applies to @mulmoclaude/core@4.7.0.
See all versions of @mulmoclaude/core for other recorded verdicts.
- Review the evidence and your use of @mulmoclaude/core@4.7.0 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: .
Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.