Practical guides to AI APIs and developer tooling

Error references you can actually fix a bug with, honest comparisons, and free browser-based tools. Every figure here is read from the provider’s own documentation and carries the date it was verified. No hype, no filler, no rewritten press releases.

Start with the LLM API error reference if something is failing right now, the API cost calculator if you are trying to predict a bill, or the context budget planner if your conversations keep breaking.

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How to Export and Archive Your AI Chat History
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How to Export and Archive Your AI Chat History

How to Set Up Project Context So the Model Stops Forgetting
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How to Set Up Project Context So the Model Stops Forgetting

How to Write a Repo Rules File Your AI Tool Will Follow
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How to Write a Repo Rules File Your AI Tool Will Follow

How to Connect an MCP Server, and Debug It When It Fails
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How to Connect an MCP Server, and Debug It When It Fails

How to Set Spend Limits Before an API Bill Surprises You
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How to Set Spend Limits Before an API Bill Surprises You

How to Edit Long Files With AI Without Breaking Them
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How to Edit Long Files With AI Without Breaking Them

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