An MCP tool server over stdio is line-delimited JSON-RPC and four methods. Here is one in 119 lines of Node with no packages, and the details that matter.
A zero-dependency MCP server in one file: what the protocol actually needs
An MCP tool server over stdio is line-delimited JSON-RPC and four methods. Here is one in 119 lines of Node with no packages, and the details that matter.
One deployment returns verbatim, clean or speaker-tagged text by prompt: 3 minutes in 4.4 s on 32 GB. The clean prompt still adds speaker tags.
Thousands of apps run on our engine: a radio station, a sports club, a local paper, a pastry shop,...
How I cut wrong answers and token usage by giving the model 5 tools instead of 200. The ticket,...