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Found 144 Skills
Investigates completed DEX sandwich-style MEV from public blocks and bundles—front-victim-back ordering on EVM and Solana, Jito bundle traces, swap decoding, victim slippage vs searcher profit estimates, and evidence-style case studies. Use when the user asks for sandwich attack analysis, MEV sandwich post-mortems, high-slippage swap forensics, or searcher clustering—not for building sandwich bots, mempool manipulation for profit, or harassing labeled wallets.
Build applications using the x402 protocol — Coinbase's open standard for HTTP-native stablecoin payments using the HTTP 402 status code. Use this skill when: - Creating APIs that require USDC payments per request (seller/server side) - Building clients or AI agents that pay for x402-protected resources (buyer/client side) - Implementing MCP servers with paid tools for Claude Desktop - Adding payment middleware to Express, Hono, or Next.js applications - Working with Base (EVM) or Solana (SVM) payment flows - Building machine-to-machine or agent-to-agent payment systems - Integrating micropayments, pay-per-use billing, or paid API access Triggers: x402, HTTP 402, payment required, USDC payments, micropayments, pay-per-use API, agentic payments, stablecoin payments, paid API endpoint, paywall middleware
This skill should be used when the user asks to "get a swap quote", "check swap price", "compare token rates", "see exchange rates", "how much would I get for", "price check", or wants to know the expected output for a token trade. Fetches the best route from KyberSwap Aggregator across 18 EVM chains.
Complete authentication guide for Orderly Network - EIP-712 wallet signatures for EVM accounts, Ed25519 message signing for Solana accounts, and Ed25519 signatures for API requests
Use when the user asks anything about blockchain wallets, transactions, signing, token transfers, supported chains, wallet balances, perpetual futures trading, prediction markets, token swaps, cross-chain bridges, market data, token discovery, decoding EVM calldata, DeFi earn/yield vaults, or authentication via the MetaMask Agentic CLI; also when an HTTP request returns 402 Payment Required / x402 or the agent needs to pay for a paywalled API, endpoint, file, or resource over HTTP. Single entry point for all mm CLI operations.
Get developers to "Hello World" fast with optimized quickstarts, tutorials, and sample apps. Trigger phrases: developer onboarding, time to first value, quickstart guide, hello world tutorial, developer activation, onboarding checklist, sample apps, getting started experience, reduce time to value
Enforce best practices for Dart and Flutter testing.
General best practices for Dart development. Covers code style, effective Dart, and language features.
Replace the usage of `expect` and similar functions from `package:matcher` to `package:checks` equivalents.
Creates Wagmi features across all layers - core actions, query options, framework bindings. Use when adding new actions, hooks, or working across packages/core, packages/react, packages/vue.
Core concepts and best practices for `package:test`. Covers `test`, `group`, lifecycle methods (`setUp`, `tearDown`), and configuration (`dart_test.yaml`).
Guidelines for maintaining external Dart packages, covering versioning, publishing workflows, and pull request management. Use when updating Dart packages, preparing for a release, or managing collaborative changes in a repository.