Polkadot JSON-RPC DevTools

This extension adds a new panel to Chrome DevTools that inspects JSON-RPC messages sent with Polkadot-API. It is useful when debugging applications that speak to Substrate-based chains over JSON-RPC. Features: - Groups multiple JSON-RPC connections per tab, so you can inspect all traffic for a page in one place. - Provides an improved, structured JSON view for requests and responses, making complex payloads easier to read. - Understands chainHead JSON-RPC methods so you can inspect subscriptions, operations and their lifecycle. - Lets you follow pinned blocks and track the operations executed on each tracked block. Decodes operations and responses into a more readable representation while keeping the underlying raw JSON available.