cli@8.2.20
VERIFIEDPublisher claims: "Planu — MCP server for Spec Driven Development. Planning and file operations on macOS/Linux/Windows; automated verification requires macOS/Linux (POSIX)." 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 87/100 (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 · 1 s · 2 scenarios · 0 deviationst+CategoryObserved action
0.0sprocessno install scripts in bundle
0.7sprocessdependency install exit 1
0.8sprocessexec /usr/bin/timeout
0.8sprocessexited 1: Node.js v22.23.4
0.8sclaimedno tools/list reply (exit 1)
0.8sprocessscript backend runs setup only
Static findings
HIGH
Instructs the agent to modify its persistent memory or instruction filesREADME.md:145 · Instructs the agent to modify its persistent memory or instruction filesFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01MEDIUM
MCP server using network transport (SSE/HTTP)dist/sdd-engine/client-workspace.d.ts:9 · MCP server using network transport (SSE/HTTP) — data sent over networkFix: Namespace tool names and keep tool descriptions literal; no instructions to the agent inside them.
AST04HIGH
Instructs the agent to modify its persistent memory or instruction filesCHANGELOG.md:3634 · Instructs the agent to modify its persistent memory or instruction filesFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01HIGH
Instructs the agent to modify its persistent memory or instruction filesCHANGELOG.md:5457 · Instructs the agent to modify its persistent memory or instruction filesFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.
AST01