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Build and harden Ethereum smart contracts with Foundry, invariant testing, and battle-tested OpenZeppelin security patterns.

Validate MCP server tools with contract-style tests to catch schema drift, unsafe behavior, and integration regressions early.

Build intelligent CI/CD pipelines with GitHub Actions, AI-assisted workflow generation, automated testing, and deployment orchestration.

Write and maintain reliable end-to-end tests with Playwright — Microsoft's browser automation library that auto-waits for actionable elements and runs the same suite against Chromium, Firefox, and WebKit.

Build resilient browser automations using Playwright MCP with robust selectors, retries, and deterministic task execution.

Debug faster with AI agents that access video recordings, console logs, and network requests

Expert business-validation capability pack for testing AI product ideas, market demand, pricing readiness, and launch feasibility.

Expert EVM capability skill for secure contract architecture across Ethereum and Base, including Foundry testing and operational controls.

Explore and script against REST APIs with comprehensive authentication support (API keys, OAuth 2.0, JWT Bearer tokens, Basic Auth), pagination utilities (cursor-based, offset-based, page-based), retry logic with exponential backoff and jitter, error handling for HTTP status codes, rate limiting with Retry-After hea...

Expert Raycast extension capability skill for command design, extension architecture, testing, and store-ready publication workflows.

Build repeatable eval suites that catch quality regressions in AI agent behavior before merge or release.

Build layered defenses against prompt injection, data exfiltration, and unsafe tool execution in AI agent systems.