ToolTrust
B17/100
Smithery

cyong80-subway-mcp

mcpsmithery

@Smithery

Provide a scalable and efficient server-side application framework to implement the Model Context Protocol (MCP) using Node.js and NestJS. Enable seamless integration of LLMs with external data and tools through a robust and maintainable server architecture. Facilitate rapid development and deployment of MCP servers with modern TypeScript tooling and best practices.

By Smithery | 37 findings | Scanned 4/5/2026 | tooltrust-scanner/v0.3.6

6 High4 Medium5 Low22 Info

Risk Summary

Safe With Normal Controls

Dep Visibility is the main signal, but overall risk remains within an acceptable range.

Potential impact: This finding indicates the tool should be reviewed before it is trusted.

Recommended action: No high-risk findings were detected in this scan, but you should still apply least-privilege defaults and rescan after changes.

Suggested policy: keep this tool behind manual approval, do not allow unattended runs, and re-scan after narrowing risky permissions.

Security Findings (37)

  • HighAS-012

    🔄Tool Drift

    Tool set changed silently at vsmithery: 22 tool(s) added, 3 tool(s) removed without a version bump.

    + 22 added

    bike_get_availability_summarybike_get_station_statusbike_search_stationsbus_get_arrivalsbus_get_route_infobus_list_alertsbus_search_stopsferry_get_arrivalsferry_get_routesferry_list_alertsferry_search_landingsmta_get_arrivalsmta_get_line_statusmta_get_station_infomta_list_alertsmta_plan_tripmta_search_stationsrail_get_departuresrail_get_station_inforail_list_alertsrail_search_stationstransit_ask

    − 3 removed

    get_all_subway_timetablesget_subway_timetablesearch_subway_station

    Fix: The set of tools exposed by this server changed between scans of the same version — a sign the package was silently updated without a version bump. Audit the changelog and all tool definitions before trusting this server. Pin to a specific commit hash rather than a floating version tag.

  • HighAS-002

    ⚠ī¸Excessive Permissions ×5

    tool declares network permission

    mta_search_stationsbus_search_stopsferry_search_landingsbike_search_stationsrail_search_stations

    Fix: Tool requests broad permissions (exec/fs/network). Validate input parameters using Enums where possible, and restrict file system operations to explicit allowed directories.

  • MediumAS-002

    ⚠ī¸Excessive Permissions ×4

    tool declares fs permission

    mta_get_arrivalsbus_get_arrivalsferry_get_arrivalsrail_get_departures

    Fix: Tool requests broad permissions (exec/fs/network). Validate input parameters using Enums where possible, and restrict file system operations to explicit allowed directories.

  • LowAS-011

    ℹī¸Missing Rate-Limit / Timeout ×5

    tool performs network or execution operations but declares no rate-limit, timeout, or retry configuration

    mta_search_stationsbus_search_stopsferry_search_landingsbike_search_stationsrail_search_stations

    Fix: Declare explicit rate-limit, timeout, and retry configuration for all network and execution tools. Implement exponential back-off and surface resource state to the calling agent.

  • InfoAS-014

    ℹī¸Dependency Inventory Unavailable ×22

    Tool did not expose metadata.dependencies or repo_url, so supply-chain coverage is limited.

    mta_get_arrivalsmta_get_line_statusmta_list_alertsmta_search_stationsmta_get_station_infomta_plan_tripbus_list_alertsbus_get_arrivalsbus_get_route_infobus_search_stopsferry_get_arrivalsferry_list_alertsferry_search_landingsferry_get_routesbike_get_station_statusbike_search_stationsbike_get_availability_summaryrail_get_departuresrail_list_alertsrail_search_stationsrail_get_station_infotransit_ask

    Fix: Review and remediate the identified issue.

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$ curl -sfL https://raw.githubusercontent.com/AgentSafe-AI/tooltrust-scanner/main/install.sh | bash
$ tooltrust-scanner scan --server "npx -y cyong80-subway-mcp"

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