An MCP Server in One Bash File
How an existing Bash CLI became a 15-tool MCP stdio server using curl and jq, without adding another runtime or SDK.
Json-Rpc
Ethereum RPC Latency in 2026: IPC vs WebSocket vs Remote Providers, Measured
A measured breakdown of Ethereum JSON-RPC latency: nine public endpoints at p50 and p99, the network floor separated from provider overhead, and the microsecond cost of local transports.
eth_getLogs Block Range Limits: Why Your Queries Fail and How to Fetch 1,000 Blocks at Once
Why eth_getLogs returns block range and result-count errors across RPC providers, and how to query thousands of blocks reliably with adaptive chunking.
IPC vs HTTP vs WebSocket: The Fastest Way to Talk to an Ethereum Node
How HTTP, WebSocket, and IPC transports compare for Ethereum RPC latency, with a benchmark you can run, and when sub-millisecond IPC actually matters.