Tool Preview Length

From Official Docs · September 25, 2026

The display.tool_preview_length config key controls the maximum number of characters shown in tool call preview lines (e.g. file paths, terminal commands). The default is 0 , which means no limit - full paths and commands are shown. This is useful on narrow terminals or when tool arguments contain very long file paths.

From the official Hermes Agent documentation.

# ~/.hermes/config.yaml
display:
  tool_preview_length: 80   # Truncate tool previews to 80 chars (0 = no limit)

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