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Security audit

AgentKeys

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed credential-proxy usage guide, with no bundled executable code or hidden persistence.

Install only if you intend agents to make API calls through AgentKeys. Prefer the single-credential proxy token for narrower access when possible, and review which credentials and target APIs your workspace key is allowed to use.

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
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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 (3)

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 49)May include surrounding context.

With API Key (Option A) — reference credentials by name

bash
curl -X POST $AGENTKEYS_PROXY_URL/v1/proxy \
  -H "Authorization: Bearer $AGENTKEYS_API_KEY" \
  -H "X-Credential-Name: resend" \
  -H "X-Target-Url: https://api.resend.com/emails" \

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 52)May include surrounding context.

curl -X POST $AGENTKEYS_PROXY_URL/v1/proxy
-H "Authorization: Bearer $AGENTKEYS_API_KEY"
-H "X-Credential-Name: resend"
-H "X-Target-Url: https://api.resend.com/emails"
-H "Content-Type: application/json"
-d '{"from": "noreply@example.com", "to": "user@example.com", "subject": "Hello", "text": "Sent via AgentKeys"}'

text

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% 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 62)May include surrounding context.

curl -X POST $AGENTKEYS_PROXY_URL/v1/proxy
-H "Authorization: Bearer $AGENTKEYS_API_KEY"
-H "X-Credential-Name: resend"
-H "X-Target-Url: https://api.resend.com/emails"
-H "Content-Type: application/json"
-d '{"from": "noreply@example.com", "to": "user@example.com", "subject": "Hello", "text": "Sent via AgentKeys"}'

text

Static analysis

No suspicious patterns detected.