studio.gradients/mcp

Est-ce que studio.gradients/mcp est sûr ?

Au dernier audit MCP Hub, le serveur MCP « studio.gradients/mcp » est classé « Non encore testé ». Référencé dans l'annuaire. Seul le pentest comportemental fait foi, et il n'a pas encore été exécuté sur ce serveur. Le verdict est réévalué en continu ; consultez la fiche pour l'état à jour.

Méthode : MCP Hub analyse la description de chaque outil (couche 1) et, pour le verdict fort, exécute le serveur dans une micro-VM isolée avec leurres et réseau bloqué (couche 2). On publie des noms et des compteurs, jamais le contenu brut renvoyé par un outil.

Les 3 outils

• list_palettes≈ 629 tokens

  Palettes to start from: the studio's sixteen, the ones behind product sites people admire (Linear, Stripe, Raycast, …), the account's saved palettes (with an API key), and six tuned starting points for common jobs (website hero, launch post, deck slide, product screenshot, integrations grid, App Store shot) with their full settings. Pass any of these to render_gradient. No key needed.

  Paramètres, retour & exemple (0)

  Exemple d'appel

  {"name": "list_palettes", "arguments": {}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"saved": [], "studio": [], "inspiredBy": [], "aspectRatios": [], "startingPoints": []}}

• render_gradient≈ 3560 tokens

  Render a gradient background image (website hero, OG image, launch post, slide, wallpaper) with Gradients Studio's renderer: blobs, stripes or clouds, real grain, pixel and dither finishes, shape overlays. Workflow: start from suggest_settings or list_palettes, call this WITHOUT `size` for a free 960px preview (returned inline, no API key needed), adjust the `settings` you get back, and pass `size` (exact pixels, e.g. [1200, 630] for an OG image, [2560, 1440] for a hero) once the person is happy. A sized export needs an API key; it uses one of the account's monthly exports (5 free, unlimited on Pro) and returns a URL that is valid for 24 hours; asking for the same export again within that time returns the same URL for free. Every result includes `settings` (send them back to iterate) and `studioUrl` (open it to take over in the browser). Use `overlaySvg` with the raw text of a logo SVG to draw it as concentric outlines over the gradient. For the soft mesh look keep blur at 700–900 and contrast at 130; saturated mid-tone colors render best, muddy ones come out dull.

  Paramètres, retour & exemple (35)

  Paramètres

  • blur · number · optionnel
    Softness of the color fields in export pixels, 0–1000. Keep 700–900 for the soft mesh look; below 500 the blobs show hard edges.
  • seed · integer · optionnel
    Composition seed (integer). Reuse it to keep the layout while changing colors or finish; omit for a random one.
  • size · array · optionnel
    Exact export size in pixels [width, height], each 64–3840, e.g. [1200, 630]. Omit for a free 960px preview (no key needed); giving a size needs an API key and uses one monthly export.
  • grain · number · optionnel
    Film-grain strength 0–0.8. 0.2 is subtle, 0.3+ is visibly textured. Grain also hides banding.
  • sheen · number · optionnel
    Stripes only: highlight along the fibers, 0–2. 0.2 is the default.
  • style · string · optionnel · blobs | stripes | clouds | rays
    'blobs' (soft overlapping fields), 'stripes' (flowing silk fibers), 'clouds' (billowing volumes) or 'rays' (soft god rays fanning from above).
  • colors · array · requis
    1–8 gradient colors as #RRGGBB. Three or four is typical. Use saturated mid-tones; muddy or near-grey colors come out dull.
  • detail · number · optionnel
    Clouds only: fine structure, 0–2.
  • effect · string · optionnel · none | pixel | dither
    Finish over the gradient: 'none', 'pixel' (dot matrix) or 'dither' (palette-quantized cells and glyphs). Pixel and dither preview free and export on Pro.
  • format · string · optionnel · jpeg | png
    Export file format. JPEG is ~8x smaller; grain makes PNGs large.
  • overlay · string · optionnel · none | shapes
    'none' or 'shapes' for concentric outlines of one shape radiating from a point.
  • contrast · number · optionnel
    Contrast 50–200 (%). 100 is flat; 130 is the studio default and what makes colors read. Don't lower it for 'subtle', lower grain instead.
  • coverage · number · optionnel
    Clouds only: how much of the frame the clouds fill, 0–2.
  • softness · number · optionnel
    Clouds only: edge softness, 0–2.
  • waviness · number · optionnel
    Stripes only: how much the fibers bend, 0–2.
  • placement · string · optionnel · center | random
    Where color points sit: 'center' for a calm middle, 'random' for an off-center composition.
  • effectSize · number · optionnel
    Finish cell size in export pixels, 8–64. 24 default; 40+ reads as deliberate at feed size.
  • overlaySvg · string · optionnel
    Raw text of an SVG (a logo) to draw as concentric outlines; sets overlay to shapes/custom. Up to 64 KB.
  • saturation · number · optionnel
    Saturation 50–200 (%). 100 is neutral; 110–120 keeps the palette alive against grain and dither, which both mute it.
  • aspectRatio · string · optionnel · 16:9 | 16:10 | 21:9 | 1.91:1 | 5:2 | 3:1 | 4:1 | 1:1
    Frame shape for a preview, e.g. '16:9' hero, '1.91:1' OG image, '4:5' LinkedIn post, '9:16' story. Ignored when size is given.
  • ditherChars · string · optionnel
    Dither only: characters to draw instead of the built-in symbols, e.g. '01' or '+-'. Up to 16.
  • overlayClip · boolean · optionnel
    Clip instead of rings: the whole gradient is drawn inside the overlay shape, on overlayClipBackground
  • overlayPath · object · optionnel
    Set by the server from overlaySvg; do not pass directly.
  • overlaySize · number · optionnel
    Base shape size in export pixels, 100–3000.
  • fiberDensity · number · optionnel
    Stripes only: how many fibers, 0–2 (1 = designed look).
  • overlayShape · string · optionnel · circle | square | rounded | squircle | diamond | triangle | hexagon | star
    Overlay shape: circle, square, rounded, squircle, diamond, triangle, hexagon, star, flower, seal, heart, or 'custom' with overlaySvg.
  • effectOpacity · number · optionnel
    0–1 blend of the finish over the smooth gradient; 1 replaces it, 0.5 shows both.
  • overlayCenter · array · optionnel
    Ring origin as [x, y] fractions of the frame, e.g. [0.88, 0.18] for top-right; omit for a seeded point.
  • overlayStroke · number · optionnel
    Ring stroke width in export pixels, 1–20.
  • effectStrength · number · optionnel
    Finish density 0–2 (dot size for pixel, glyph density for dither).
  • overlayOpacity · number · optionnel
    Overlay outline opacity 0–1. 0.15–0.4 stays a texture; higher becomes a graphic.
  • overlaySpacing · number · optionnel
    Gap between rings in export pixels, 10–200.
  • backgroundColor · string · requis
    Base color as #RRGGBB. Dark values give the premium look; light ones give pastels.
  • ditherGlyphsOnly · boolean · optionnel
    Dither only: true draws only the characters over the smooth gradient (no cell quantizing).
  • overlayClipBackground · string · optionnel
    Hex color around a clipped shape (off-white by default)

  Exemple d'appel

  {"name": "render_gradient", "arguments": {"colors": [], "backgroundColor": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"note": "texte", "quota": {}, "settings": {}, "expiresAt": "texte", "exportUrl": "texte", "studioUrl": "texte", "exportSize": [], "aspectRatio": "16:9"}}

• suggest_settings≈ 532 tokens

  Turn a plain-language brief ('dark, premium, fintech hero, a bit retro') into two or three starting settings for render_gradient. Understands jobs (hero, launch post, slide, screenshot, integrations, app store), moods and colors, product names (Linear, Stripe, Raycast…), styles (blobs, stripes, clouds) and finishes (retro/pixel, print/dither, terminal/glyph dither, film/grain, smooth). You are the taste layer: preview the candidates and adjust. No key needed.

  Paramètres, retour & exemple (2)

  Paramètres

  • brief · string · requis
    What the background is for and how it should feel, in plain words: job, mood, colors, a product it should resemble, a finish.
  • aspectRatio · string · optionnel · 16:9 | 16:10 | 21:9 | 1.91:1 | 5:2 | 3:1 | 4:1 | 1:1
    Frame shape to suggest for; otherwise inferred from the job (hero → 16:9, post → 4:5, …).

  Exemple d'appel

  {"name": "suggest_settings", "arguments": {"brief": "texte"}}

  Exemple de retour

  {"content": [{"type": "text", "text": "…"}], "structuredContent": {"matched": 1, "suggestions": []}}

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Source

https://www.gradients.studio/mcp