DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.
The MCP tool result processor now provides format-specific guidance for large outputs. For JSON files, it suggests using jq for targeted queries. For text files, it suggests grep. For analysis tasks, it recommends using the Task tool to process the file in an isolated subagent context.
Evidence
Format-specific guidance (search for "first probe the structure")
Strings lifted out of the shipped bundle, so the claim above can be checked against them.