Start here · by problem
What are you trying to fix?
Pick a problem. Read the guide, try a local tool, and check one small result.
Claude Code workflows
Give a coding agent clear context and a boundary it can test.
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Agent costs and caching
Estimate the cost of a task, including retries and the cache assumptions behind it.
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Agent reliability
See a failure, apply a guard, and check whether the same scenario still fails.
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MCP and tool boundaries
Connect tools without making the connection itself a permission to use them.
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