langflow-mcp-server@4.12.3
VERIFIEDPublisher claims: "Integration for Langflow API 1.12.6 via Model Context Protocol (MCP)" Observed in sandbox: no network, touches nothing outside the project, writes no memory.
Registry npm (MCP server)Publisher nobrainer-tech · joined 0 days agoInstalls 4,173Last detonated 2 h ago
Is [email protected] safe to install?
KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-10-27 and scored it 81/100 (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
0.9sprocessdependency install exit 1
1.0sprocessexec /usr/bin/timeout
1.0sprocessexited 1: Node.js v22.23.4
1.0sclaimedno tools/list reply (exit 1)
1.0sprocessscript backend runs setup only
Static findings
HIGH
Access to sensitive file pathspackage.json:62 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST05MEDIUM
Process kill commanddist/mcp/tools-consolidated.js:1274 · Process kill command — agent can terminate processesFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05MEDIUM
Process kill commanddist/mcp/tools.js:4007 · Process kill command — agent can terminate processesFix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05MEDIUM
Stripe-like API key pattern detecteddist/__tests__/fixtures/api-keys.js:17 · Stripe-like API key pattern detected — possible hardcoded or harvested keyFix: Never read or enumerate credential locations; accept a documented environment variable instead.
AST03