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Security audit

fred api

Security checks for vulnerabilities and agentic risk

Overview

This skill is a coherent FRED economic-data guide with no executable code, persistence, or hidden data handling found.

Before installing, ensure you are comfortable using a FRED MCP server configured with a FRED API key. The skill itself is documentation-only and includes appropriate safeguards around citations, avoiding fabricated data, and not exposing the API key.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • 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
Findings (1)

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
75% confidence
Finding

Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Content

Scanner excerpt · prompts/series-discovery.md (reported line 52)May include surrounding context.

md
## Bad

> "The series is probably `INFLATION`." — Invented ID, no search, no confirmation.

## Good

Static analysis

No suspicious patterns detected.