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Skillsfigure-bible

figure-bible

General & other

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Updated 10-16 06:50

About this skill

Figure Bible

Authors one figures/theme.json per project: the palette, typography, composition rules, and image-model preferences that every figure, icon, and plot should share. This is step zero. Run it before any generation skill produces output, not after.

When to use

  • Starting a new paper, grant, or poster and no figures/theme.json exists yet.
  • The user wants a consistent look across many figures (same colors, same font cue, same AI model settings).
  • A generation or QA skill reports palette drift (check_svg.py/check_raster.py finding palette_off) and the project has no bible to point them at.

Skip it for a single one-off figure with no reuse; the generation skill's own defaults are fine there.

Scripts

Both scripts live in scripts/ (relative to this skill's base directory) and import the plugin's shared lib/theme.py by resolving their own path, so they work from a plugin install or a checkout.

Scaffold a theme:

uv run python scripts/init_theme.py --journal nature --out figures/theme.json \
    --preset okabe-ito --font Helvetica \
    --style "flat vector, minimal" --negative "gradients,shadows"

--journal is required: nature, science, cell, pnas, poster, or slide (drives the default page width and minimum text size). --preset picks a starting palette: okabe-ito (default, colorblind-safe 8-color set), tol-bright, wong (alias of okabe-ito), or neuro-flat (navy/terracotta/cream plus three accents). Override individual roles with --primary, --accent, --neutral (hex). Add reference images for style transfer with repeated --reference img.png. Set the image-model defaults with --codex-model and --codex-effort. Re-running with --force overwrites an existing file; without it, the script refuses to clobber a theme someone already tuned.

Validate a theme (CI, pre-commit, or before trusting an edited theme.json):

uv run --with jsonschema python scripts/validate_theme.py figures/theme.json

Add --json for a machine-readable {"valid": bool, "problems": [...], "checked": [...]}. Exit 0 means valid. Exit 1 prints the list of problems. Exit 2 is a usage or IO error (file missing, not JSON). jsonschema is optional; without --with jsonschema, validation falls back to a hand-written structural check covering the same required keys, hex format, and enums.

See references/theme-fields.md for the full field table (type, default, meaning) and examples/nature-neuro.theme.json for a complete worked theme.

How other skills consume the theme

  • Generators (figures:ai-full-figure, figures:transparent-icons, figures:scientific-figure, figures:svg-primitives, figures:plot-styling) read palette, typography, style_tokens/negative_tokens, composition, text, and model_preferences from the theme to build prompts and defaults consistently. Invoke them by their fully qualified names through the host's skill-invocation mechanism once the bible exists.
  • QA (figures:figure-qa, and directly check_svg.py/check_raster.py) accepts --palette figures/theme.json in place of a preset name, so palette-compliance findings are checked against the project's own bible instead of a hardcoded allow-list.
  • plugins/figures/lib/theme.py is the single implementation shared by all of the above: load_theme, validate_theme, palette_hexes, theme_defaults, resolve_palette, JOURNAL_PROFILES, PALETTE_PRESETS.

The one-bible rule

A project keeps exactly one figures/theme.json, checked into version control alongside the figures it governs. Do not scaffold a second theme for a second figure in the same paper; edit the existing one instead, then re-run validate_theme.py. Multiple themes are appropriate only across genuinely separate projects (a paper and an unrelated poster), never within one.

Additional resources

  • references/theme-fields.md: full field table with types, defaults, and validation rules
  • examples/nature-neuro.theme.json: a complete, valid theme for a Nature-format neuroscience paper
  • scripts/init_theme.py: scaffold a new theme
  • scripts/validate_theme.py: validate an existing theme
  • ../../lib/theme.py: shared implementation used by this skill, the generators, and figure-qa
  • ../../schemas/theme.schema.json: the draft-07 JSON Schema itself