mcp-builder
Warn
Audited by Gen Agent Trust Hub on Mar 5, 2026
Risk Level: MEDIUMCOMMAND_EXECUTIONEXTERNAL_DOWNLOADSPROMPT_INJECTION
Full Analysis
- [COMMAND_EXECUTION]: The evaluation scripts (
scripts/evaluation.pyandscripts/connections.py) facilitate the execution of arbitrary local commands through thestdiotransport. This is a core feature for testing local MCP servers but allows for the execution of any system command provided as an argument.\n- [EXTERNAL_DOWNLOADS]: The documentation references fetching technical specifications and SDK details frommodelcontextprotocol.ioand themodelcontextprotocolGitHub repositories. These are recognized as well-known sources for the Model Context Protocol.\n- [PROMPT_INJECTION]: The skill is susceptible to indirect prompt injection (Category 8). The automated evaluation loop processes external questions from XML files and outputs from testing tools. Ingestion points:scripts/evaluation.pyreads user-provided XML files and receives tool results from MCP servers. Boundary markers: TheEVALUATION_PROMPTuses XML tags to structure the agent's output but lacks markers to isolate ingested content. Capability inventory:scripts/connections.pysupports subprocess execution and network requests. Sanitization: No explicit content sanitization or instructions to ignore embedded commands are present.
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