nethermind

Debug and fix failing Ethereum Foundation tests run with Nethermind.Test.Runner. Accepts test file paths as arguments. Runs the test, analyzes traces, identifies root causes in the EVM/spec/test harness, and proposes fixes.

Build a diag Docker image, run gas-benchmarks repricing workflow, and analyze results including dotTrace XML reports. Use when asked to "run benchmarks", "trigger gas benchmarks", "benchmark this branch", "profile block processing", or "analyze benchmark run". Supports analyze-only mode for CI integration.

Audit C#/.NET code for resource leaks, IDisposable misuse, CTS lifecycle bugs, unbounded growth, handle exhaustion, and dispose race conditions. Use when asked to "audit for leaks", "check for resource leaks", "find dispose issues", "review for memory leaks", or when reviewing a PR that touches resource management, disposal, CancellationTokenSource, ArrayPool, event subscriptions, or async coordination patterns.

Deep code review for an Ethereum execution client. Checks consensus correctness, security, robustness, performance, DI patterns, breaking changes, and observability. Use when asked to "review", "check this PR", "look for bugs", "audit", or "review my changes".