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Security audit

hyperliquid-stock-perps-snapshot

Security checks for vulnerabilities and agentic risk

Overview

This skill retrieves public market data through a visible Finch service without requesting account access, trading authority, or persistent changes.

Finch receives your requested ticker symbols or result limit. Use the skill if you are comfortable sharing those queries, and review any optional paid analysis before approving it. No wallet credentials are needed.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Output HandlingUnvalidated Output Injection, Cross-Context Output, Unbounded Output
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (2)

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 16)May include surrounding context.

Specific tickers:

sh
curl -s -X POST https://finch-agent-catalog.finch-catalog-mcp.workers.dev/mcp \
  -H 'Content-Type: application/json' -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"get_hyperliquid_stock_perps","arguments":{"tickers":["NVDA","TSLA"]}}}'

The workflow sends requested tickers to a third-party Finch endpoint without a privacy disclosure.

Medium
Category
Output Handling
Confidence
91% confidence
Finding

The description presents the skill as using Hyperliquid's public API, but the execution instructions send ticker selections to a Finch-hosted MCP service. Although the endpoint is visible in the command, the skill does not warn users that their requested tickers are transmitted to this third party rather than directly to Hyperliquid.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.