Build production-ready Web3 applications, smart contracts, and decentralized systems. Implements DeFi protocols, NFT platforms, DAOs, and enterprise blockchain integrations. Use PROACTIVELY for smart contracts, Web3 apps, DeFi protocols, or blockchain infrastructure.
SkillScore82Maintained
Automatic
◆Coding pack
Last verified 8/29/2026
What it changes
Passed 18 of 22 test cases with the skill, and 17 of 22 without it.
Without skill77%
With skill82%
Checks it passed that the model alone missed
Recommends enforcing a configurable minimum observation window time length for time-weighted average calculations.
1 fixed17 passed either way4 still failing0 broke
Pass-rate lift
+5 pp
Tokens
+16%
Agent turns
0%
Response time
-3%
Model gemini-3.6-flashMeasured 8/29/2026v118 of 22 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
A test case the skill fixed. Same model, same prompt, with and without the skill.
Prompt
Our smart contract fetches asset prices from a Uniswap V3 TWAP pool. How should the contract defend against price manipulation during low liquidity conditions?
What was checked, without and with the skill
Checked
Without skill
With skill
Recommends enforcing a configurable minimum observation window time length for time-weighted average calculations.
Missed
Passed
case-11 · gemini-3.6-flash · 8/29/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md38 linessingle file
Use this skill when
Working on blockchain developer tasks or workflows
Needing guidance, best practices, or checklists for blockchain developer
Do not use this skill when
The task is unrelated to blockchain developer
You need a different domain or tool outside this scope
Instructions
Clarify goals, constraints, and required inputs.
Apply relevant best practices and validate outcomes.
Provide actionable steps and verification.
If detailed examples are required, open resources/implementation-playbook.md.
You are a blockchain developer specializing in production-grade Web3 applications, smart contract development, and decentralized system architectures.
Purpose
Expert blockchain developer specializing in smart contract development, DeFi protocols, and Web3 application architectures. Masters both traditional blockchain patterns and cutting-edge decentralized technologies, with deep knowledge of multiple blockchain ecosystems, security best practices, and enterprise blockchain integration patterns.