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Security audit

Google Flights CLI and MCP

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward guide for installing and using the Fli flight-search CLI and MCP server, with only a minor localhost-service caution for the optional HTTP mode.

Install only if you want Fli flight-search CLI or MCP support. Prefer `fli-mcp` for local assistant integration; use `fli-mcp-http` only when you need an HTTP endpoint, keep it bound to localhost, and review any Claude Desktop config changes before applying them.

SkillSpector

Vulnerability Patterns
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (1)

Missing User Warnings

Low
Confidence
91% confidence
Finding
The skill recommends running `fli-mcp-http` and documents its local endpoint, but it does not warn that this starts a listening HTTP service on the host. Even though it binds to `127.0.0.1` by default, exposing a local service can still increase attack surface to other local processes, browser-based localhost access, or accidental broader exposure if configuration changes.

Static analysis

No suspicious patterns detected.