bestpred-mcp@0.2.1
VERIFIEDPublisher claims: "USDA's best prediction of dairy lactation yields (BESTPRED) as tools any AI agent can call: an MCP server for Claude, ChatGPT, Codex, Cursor, VS Code and Gemini CLI." Observed in sandbox: no network, touches nothing outside the project, writes no memory.
Is [email protected] safe to install?
KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-10-28 and scored it 83/100 (Verified). It did what it claims and nothing else we could detect: no undeclared network egress, no credential reads, no persistent instruction writes. Summary: no network, touches nothing outside the project, writes no memory.
Behavior trace
Honeypot run · 0 s · 2 scenarios · 0 deviationst+CategoryObserved action
0.0sprocessno install scripts in bundle
0.2sprocessdependency install exit 1
0.2sprocessexec /usr/bin/timeout
0.2sprocessexec .venv/bin/bestpred-mcp
0.2sprocessexited 127: timeout: failed to run command '.venv/bin/bestpred-mcp': No such file or directory
0.2sclaimedno tools/list reply (exit 127)
0.2sprocessscript backend runs setup only
Static findings
HIGH
Hidden zero-width characters detectedsrc/bestpred_mcp/herd.py:175 · Hidden zero-width characters detected — may conceal contentFix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07MEDIUM
File type combined with upload actionsrc/bestpred_mcp/hosted.py:2 · File type combined with upload action — agent may exfiltrate local data filesFix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07