MEV protection against sandwich attacks and front-running
63
52%
Does it follow best practices?
Impact
Pending
No eval scenarios have been run
Advisory
Suggest reviewing before use
Optimize this skill with Tessl
npx tessl skill review --optimize ./src/skills/bundled/mev/SKILL.mdSecurity
2 findings — 2 medium severity. This skill can be installed but you should review these findings before use.
The skill exposes the agent to untrusted, user-generated content from public third-party sources, creating a risk of indirect prompt injection. This includes browsing arbitrary URLs, reading social media posts or forum comments, and analyzing content from unknown websites.
Third-party content exposure detected (high risk: 0.70). The skill's SKILL.md and index.ts explicitly include commands and API calls (e.g., /mev check <tx-hash> and mev.analyzeTransaction, mev.simulateRisk) that read and interpret public blockchain transactions and interact with third-party providers like Flashbots/Jito—public, user-generated on‑chain data that the agent uses to make protection/simulation decisions.
The skill is specifically designed for direct financial operations, giving the agent the ability to move money or execute financial transactions — such as payment processing, cryptocurrency operations, banking integrations, or market order execution.
Direct money access detected (high risk: 1.00). The skill explicitly provides APIs to execute on-chain trades and submit transaction bundles to crypto relays. Examples: mev.executeProtected performs token swaps (tokenIn, tokenOut, amountIn) and returns txHash; mev.flashbots submits bundles to Flashbots and waits for inclusion; mev.mevBlocker and mev.jito submit protected transactions/bundles and report captured MEV or bundle IDs. These are direct crypto/blockchain transaction functions (swaps, bundle submissions, on-chain execution), so the skill has direct financial execution capability.
2a8c94e
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