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How to install Prismantis and pick a theme for Claude Code with Prismantis

Add two plugin commands, then choose one of 15 palettes or mono from drawn samples.

Who it is forA Claude Code user whose replies are hard to scan because tables, code and tool calls print as plain text.

The problemClaude Code prints tables, mermaid source and tool calls as plain text, which makes long replies slow to read.

The outcomeReplies draw with colored tables, code headers and quiet tool rows in a theme you chose.

What you need first

  • Claude Code version 2.1.287 or later
  • A terminal that can show colors; kitty or Ghostty if you want LaTeX math drawn as images
  • RaTeX's ratex-render binary, only if you want LaTeX math

Steps

  1. Update Claude Code to version 2.1.287 or later.
  2. In Claude Code, run /plugin marketplace add NahumLitvin/prismantis.
  3. Run /plugin install prismantis@prismantis.
  4. Run /prismantis setup and pick a theme and styles from the drawn samples; Enter saves each step.
  5. Run /prismantis demo to see the main features in one tour.

Prompt for your agent

In Claude Code, add the marketplace NahumLitvin/prismantis, install prismantis@prismantis, then run /prismantis setup and save a theme for <user name>. Expected output: a reply with a colored table header and a code header row with a copy button. Verify by asking for a short markdown table and checking that the header draws in the chosen theme color.

Caveat. The plugin changes how replies are drawn, and the README says running /plugin to turn it off brings Claude Code's own renderer back.

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