#agentic-engineering
3 posts.
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MCP tool descriptions are the API: lessons from a Rails server
An agent disqualified a sales deal that should have been marked lost. The MCP server did exactly what it was told. Here's what I learned shipping a Rails MCP server an agent could actually use right.
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Inheriting a legacy Rails app in 2026: do this, not that
You just got onboarded to an 8-year-old Rails monolith. AI agents change the speed of the audit, not the work of understanding. Sixteen recommendations from a decade of watching engineers onboard.
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AI is a force multiplier for whatever habit you bring to it
Two engineers, same Claude Code, same task. Wildly different outcomes. AI doesn't make you better. It amplifies the habits you already had.