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Shipping an MCP server: parallel search, JSON output, and what broke along the way

python dev.to

CLI Market hit 3,760 retailers this week. With that scale came problems.

Here's what we fixed and what we learned.

[Problem 1: Search timeout][...]

[Problem 2: --json flag that didn't work][...]

[Problem 3: Session loss on cloud deploys][...]

[What we learned about Render vs Railway][...]

[Full changelog + code links]
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pip install cli-market
github.com/Treevu-ai/cli-market-world

Source: dev.to

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