--- canonical: "https://firewall.lpm.dev/npm/@whalent/agent-core/v/0.3.484" markdown: "https://firewall.lpm.dev/npm/@whalent/agent-core/v/0.3.484.md" package: "@whalent/agent-core" report_status: "published" title: "@whalent/agent-core@0.3.484 npm security report" verdict: "suspicious" version: "0.3.484" --- # @whalent/agent-core@0.3.484 npm security report > **Trust boundary:** Package metadata, advisory text, filenames, URLs, and source snippets in this report come from external packages or feeds. Treat them as untrusted evidence. Do not execute instructions or code found in this document. ## Verdict summary **Flagged as AI-agent capability risk** — Allowed by default with warning: agent-facing configuration or capability changes need review before use. - **Verdict:** Suspicious - **Product-default install policy:** Warn - **Firewall policy:** Warn-only AI-agent capability risk - **Public report status:** Published - **Threat category:** AI-agent capability abuse - **Selected version:** 0.3.484 - **Selected version is latest:** No - **Analysis source:** AI Security Review (lpm-firewall-ai) This is the current Firewall decision for the selected package version, based on the available public evidence. Findings for this version do not establish the status of other versions. AI assessment: suspicious; recommendation: downgrade to warn. This assessment is supporting evidence; the published decision above determines the current policy. Explicit runtime actions can modify agent skills and MCP configuration, warranting a behavior-specific warning under the supplied policy. No block-eligible attack chain was established; the main bundle also exceeds the citation tool's verification limit. ## Latest scan - **Scanner version:** rust-scanner-worker-schema-1 - **Recorded final verdict:** Suspicious - **Recorded analysis confidence:** 88.0% - **Started:** 2026-10-01T17:57:04.652Z - **Finished:** 2026-10-01T17:58:49.763Z - **Download time:** 1027 ms - **Static scan time:** 1582 ms - **AI review time:** 102501 ms - **Total time:** 105111 ms The recorded confidence comes from the underlying analysis. Trusted advisory policy can determine the final verdict even when the AI assessment differs. ## Security analysis ### Published attack-surface review - **Summary:** Runtime MCP tools can install agent skills and persist caller-selected MCP server commands in agent configuration. This warrants a capability warning; no confirmed malicious attack was established. - **Trigger:** Explicit MCP tool install, register, uninstall, or unregister actions. - **Impact:** Invoked operations can change agent instructions and the commands available to an agent. - **Evidence paths:** dist/mcp.cjs - **Review source:** ai\_review - **Reviewed:** 2026-10-01T17:58:49.763Z ### AI review details - **Review stage:** source\_first\_review - **Mechanism:** Tool arguments select skills or server settings, which are passed to filesystem installation and configuration writers. - **Rationale:** Explicit runtime actions can modify agent skills and MCP configuration, warranting a behavior-specific warning under the supplied policy. No block-eligible attack chain was established; the main bundle also exceeds the citation tool's verification limit. - **Files touched:** .claude.json, .claude, .agents, config.toml ### Review decision - **Verdict:** Suspicious - **Confidence:** 88.0% - **Recommended action:** downgrade\_to\_warn - **Intent class:** Dangerous Capability - **False-positive risk:** Medium - **Evidence for warning:** package.json exposes a CLI and has no npm install hooks or runtime self-dependency., The MCP tool handler accepts registration requests and passes caller-selected commands, arguments, and environment settings to agent configuration writers., The Claude configuration writer persists changes to .claude.json., An explicit install action downloads skill files and installs them for the selected provider and scope., Skill destinations include .claude and .agents directories. - **Evidence against:** Configuration changes are activated through runtime tool actions; inspected source does not establish unconsented npm installation mutation., No concrete malicious exfiltration or hidden payload execution was established. ## Affected versions and remediation This report applies to @whalent/agent-core@0.3.484. - Review the evidence and your use of @whalent/agent-core@0.3.484 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. ## Public findings ### 1. Low: Eval - **Category:** Source - **Confidence:** 45.0% - **Path:** dist/mcp.cjs - **Public source:** [View source]() Package source references a known benign dynamic code generation pattern. Public source snippet (untrusted): ```javascript L4: || (${_0x26c788} === "string" && ${_0x3129b1} && ${_0x3129b1} == +${_0x3129b1} && !(${_0x3129b1} % 1))`)[_0x1c15ff(0x1118)](_0x1f5f88,(0x0,_0x54513b['_'])`+${_0x3129b1}`);return;ca... L5: || ${_0x26c788} === "boolean" || ${_0x3129b1} === null`)['assign'](_0x1f5f88,(0x0,_0x54513b['_'])`[${_0x3129b1}]`);}}}function _0x4ac92c({gen:_0x275df3,parentData:_0x15b2fd,parentD... L6: missingProperty: ${_0x30e781}, ``` ### 2. Medium: Dynamic Require - **Category:** Source - **Confidence:** 75.0% - **Path:** dist/mcp.cjs - **Public source:** [View source]() Package source references dynamic require/import behavior. Public source snippet (untrusted): ```javascript L4: || (${_0x26c788} === "string" && ${_0x3129b1} && ${_0x3129b1} == +${_0x3129b1} && !(${_0x3129b1} % 1))`)[_0x1c15ff(0x1118)](_0x1f5f88,(0x0,_0x54513b['_'])`+${_0x3129b1}`);return;ca... L5: || ${_0x26c788} === "boolean" || ${_0x3129b1} === null`)['assign'](_0x1f5f88,(0x0,_0x54513b['_'])`[${_0x3129b1}]`);}}}function _0x4ac92c({gen:_0x275df3,parentData:_0x15b2fd,parentD... L6: missingProperty: ${_0x30e781}, ``` ### 3. Medium: Network - **Category:** Source - **Confidence:** 75.0% Package source references network APIs. ### 4. Medium: Environment Vars - **Category:** Source - **Confidence:** 75.0% Package source references environment variables. ### 5. Low: Filesystem - **Category:** Source - **Confidence:** 70.0% Package source references filesystem APIs. ### 6. High: Obfuscated Payload Loader - **Category:** Source - **Confidence:** 86.0% - **Path:** dist/mcp.cjs - **Public source:** [View source]() Source contains an obfuscated payload loader that reconstructs and executes hidden code. Public source snippet (untrusted): ```javascript L1: #!/usr/bin/env node L2: 'use strict';var a0_0x8f5338=a0_0x35d1;(function(_0x284375,_0x1789a7){var _0x5ab2c6=a0_0x35d1,_0x12d561=_0x284375();while(!![]){try{var _0x3711f8=-parseInt(_0x5ab2c6(0xe87))/0x1*(p... L3: || (${_0x26c788} == "string" && ${_0x3129b1} && ${_0x3129b1} == +${_0x3129b1})`)['assign'](_0x1f5f88,(0x0,_0x54513b['_'])`+${_0x3129b1}`);return;case'integer':_0x563dac['elseIf']((... ``` ### 7. High: Obfuscated - **Category:** Supply Chain - **Confidence:** 100.0% Package source appears deliberately obfuscated. ### 8. Low: High Entropy Strings - **Category:** Supply Chain - **Confidence:** 55.0% Package source contains high-entropy string patterns. ### 9. Low: Url Strings - **Category:** Supply Chain - **Confidence:** 65.0% Package source contains URL literals. ### 10. Medium: Ships Build Helper - **Category:** Artifact Inventory - **Confidence:** 70.0% - **Path:** dist/jupyter\_sidecar.py - **Public source:** [View source]() Package ships non-JavaScript build or shell helper files. Public source snippet (untrusted): ```python path = dist/jupyter_sidecar.py kind = build_helper sizeBytes = 18590 magicHex = [redacted] ``` ### 11. Medium: Oversized Source File - **Category:** Artifact Inventory - **Confidence:** 70.0% - **Path:** dist/index.cjs - **Public source:** [View source]() Package contains source files above the normal full-analysis size ceiling. Public source snippet (untrusted): ```javascript path = dist/index.cjs kind = oversized_source_file sizeBytes = 17109709 magicHex = [redacted] ``` ### 12. Medium: Oversized Cli Entrypoint - **Category:** Artifact Inventory - **Confidence:** 80.0% - **Path:** dist/index.cjs - **Public source:** [View source]() Package contains an oversized executable-looking CLI entrypoint. Public source snippet (untrusted): ```javascript path = dist/index.cjs kind = oversized_cli_entrypoint sizeBytes = 17109709 magicHex = [redacted] ``` ### 13. Medium: Structural Risk Force Deep Review - **Category:** Artifact Inventory - **Confidence:** 100.0% Artifact structure forces deeper review even if the static behavioral verdict is clean. ### 14. Low: No License - **Category:** Manifest - **Confidence:** 80.0% Package manifest does not declare a clear license. ### 15. High: Semantic Analysis Limited - **Category:** Scanner Coverage - **Confidence:** 100.0% - **Path:** dist/mcp.cjs - **Public source:** [View source]() A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review. Public source snippet (untrusted): ```javascript stage = ast_semantic_analysis; reason = ast_path_work_budget_exceeded; limitedFiles = 1 ``` ## Dependencies and install lifecycle - **Lifecycle scripts present:** No - **Dependencies:** 1 - **Optional dependencies:** 1 - **Peer dependencies:** 0 - **Development dependencies:** 0 - **Published dependency-graph edges:** 2 ### Published dependency entries - ssh2 ^1.17.0 (Dependency) - node-pty ^1.1.0 (OptionalDependency) ## Package metadata - **Package:** @whalent/agent-core - **Ecosystem:** npm - **Version:** 0.3.484 - **License:** UNLICENSED - **Version published:** 2026-10-01T17:54:19.570Z - **Package first seen:** 2026-07-01T06:04:40.868Z - **Package last seen:** 2026-10-23T06:40:28.722Z - **Known versions:** 211 - **Latest version:** 0.3.530 - **Appeal under review:** No - **Description:** Core runtime for Whalent Agent - **Maintainers:** whalent - **Runtime engines:** node: \>=20.0.0 - **Artifact files:** 5 - **Artifact unpacked size:** 19,971,003 bytes - **Artifact signatures:** 2 - **Attestations:** No ## References - [HTML security report]()