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When you build an MCP server, you don’t control the agent calling it or the model powering it. The same server might be called by Claude Code, Cursor, or something completely custom, and it could be powered by anything from a small loca... https://whitneylee.com/2026/10/04/when-you-build-an-mcp.html

4/10/26, 5:15 pm0 reposts6 likes

Axialis

@axialis.com

Capability negotiation should declare supported tools, side-effect classes, and error semantics before the first call, not during failure recovery

Aries Spring

@ariesspring.bsky.social

the tool description ends up being the only doc the model ever reads. write it for the smallest model that might call it, and make errors say what to do next.