- Engineering Notes
Our MCP server was fine. Cloudflare was returning HTML.
It took three days, because a parse error points at your own serialization, not at a machine four thousand kilometres away.
Blog
Engineering Notes
Findings from building and running FoxNose in production. What broke, what it cost, and what we changed because of it.
- Engineering Notes
What real agents found in our MCP server
Our MCP server passed every conformance check. Then one question cost 437,000 tokens.