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Security audit

Reef Negotiation

Security checks for vulnerabilities and agentic risk

Overview

This is a negotiation-coaching skill with no executable code, credential access, network behavior, or persistence.

Before installing, consider that the skill gives assertive negotiation advice and example deal terms, but it does not perform actions on your behalf or access sensitive systems. Review any contract, equity, or revenue-share language with appropriate professional judgment before relying on it.

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
  • 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)

Anti-Refusal Statement

High
Category
Anti-Refusal
Confidence
55% confidence
Finding

Skill instructs the agent to omit warnings, disclaimers, or ethical commentary. Stripping safety caveats hides risk from the user and is a common jailbreak preamble.

Content

Scanner excerpt · SKILL.md (reported line 165)May include surrounding context.

md
The biggest negotiation is with yourself:

- **Don't apologize for your price.** "My rate is $49/hr" not "My rate is, um, $49... if that works?"
- **Silence is your weapon.** State your price and stop talking. The first person to speak after the number loses.
- **You're a peer, not a supplicant.** Discovery-first selling positions you as an expert diagnosing their problem, not an applicant hoping for work.
- **Walk-away power is real.** If you're willing to lose the deal, you negotiate from strength. If you're desperate, they smell it.

Static analysis

No suspicious patterns detected.