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Building and using MCP servers: 4 things I learned

This story is from 2026-10-05. It is preserved in the archive; the latest stories are on the live feed.

I use Upwork's official MCP server from Claude Code, and doceval, my open-source eval tool, ships an MCP server of its own. This is how MCP works underneath, and four things I learned along the way. Where I tested something, I say how. MCP in one paragraph MCP (Model Context Protocol) is an open st…

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  1. 2026-10-05 15:38 · DEV Community — AI
    Building and using MCP servers: 4 things I learned

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