Skills
Install ~5 MCP servers, not 20 — each active server taxes memory and ~18K tokens per turn
The common failure is installing 20 MCP servers on day one, watching the agent slow as subprocess count and per-turn token overhead explode, then blaming the tool. The discipline that works: a default five (Filesystem, GitHub, Brave Search, Fetch, Memory), enabling others only when you hit an actual wall, because every active server costs responsiveness and context budget. The fastest-growing underused category is security tooling — CVE lookup, domain recon, and IP reputation servers belong in any production agent loop.
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