Design & Prototyping arenaBuyer checklist
Every requirement we judge design & prototyping products against, as a ready-to-send RFP checklist — with each item's priority, why it matters, and how the top-ranked products score on it today.
53 requirements · 14 themes · verdicts for 8 products · updated 2026-09-16 · priorities mirror the story weights our scoring uses (methodology)
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# Design & Prototyping — buyer checklist (RFP) Derived from ProductArena's evidence-graded user-story taxonomy for Design & Prototyping: 53 judged requirements. Priorities mirror story weights (3 = must-have, 2 = should-have, 1 = nice-to-have). ## Agent design - [ ] **[must-have]** My coding agent can pull real design context — frames, variables, screenshots, component mappings — through an MCP server or API to implement the design - [ ] **[should-have]** An agent can create or modify designs programmatically — through a write-capable API, plugin surface, or MCP tools — not just read them - [ ] **[should-have]** An agent can render and export designs — screenshots, images, or production formats — through a documented programmatic surface ## Agenticness - [ ] **[must-have]** Plug MCP servers into this product so it can use their tools - [ ] **[must-have]** Connect an agent via an official MCP server - [ ] **[must-have]** Drive the product through a documented public API - [ ] **[must-have]** Delegate tasks to a built-in AI assistant inside the product - [ ] **[should-have]** Point an agent at llms.txt or agent-oriented docs - [ ] **[should-have]** Run the product headlessly / in CI for automation - [ ] **[should-have]** Use an official CLI - [ ] **[should-have]** Issue scoped/least-privilege API credentials for an agent - [ ] **[should-have]** Build against official SDKs - [ ] **[should-have]** Subscribe to events via webhooks - [ ] **[should-have]** Get AI-generated insights and suggestions from my data inside the product - [ ] **[should-have]** Set up automations that run autonomously in the background - [ ] **[should-have]** Operate the product with natural-language commands - [ ] **[should-have]** Explore an interactive API reference with runnable examples - [ ] **[should-have]** Download a machine-readable API spec (OpenAPI or equivalent) - [ ] **[should-have]** Rely on versioned APIs with a documented deprecation policy - [ ] **[nice-to-have]** Test against a sandbox environment without touching production data ## Ai design - [ ] **[should-have]** Generate or edit designs from a natural-language prompt — first drafts, layouts, or full mockups the tool actually produces - [ ] **[nice-to-have]** Built-in AI handles asset chores — image generation, background removal, content-aware fills, copy suggestions — inside the editor ## Automation depth - [ ] **[must-have]** Define rules that trigger actions automatically on events - [ ] **[should-have]** Perform bulk operations across many items at once - [ ] **[should-have]** Schedule recurring jobs or workflows - [ ] **[nice-to-have]** Version, review, and roll back my automations ## Collaboration multiplayer - [ ] **[must-have]** My whole team can edit the same file simultaneously with live cursors and instant sync - [ ] **[should-have]** Comment directly on designs, mention teammates, and resolve threads so review happens in the file, not in email ## Components design systems - [ ] **[must-have]** Build reusable components with variants and per-instance overrides that stay linked to their source - [ ] **[should-have]** Manage design tokens or variables — colors, spacing, typography — with modes or themes applied across designs - [ ] **[should-have]** Shared libraries publish components and styles across files and projects, with controlled updates when the source changes ## Dev handoff - [ ] **[must-have]** Inspect any layer and get measurements, styles, assets, and code snippets (CSS/iOS/Android) without an editor seat - [ ] **[should-have]** Designs map to production code — component-to-code mappings or direct design-to-code output I can actually ship ## Openness - [ ] **[must-have]** Export all of my data in open formats and leave - [ ] **[must-have]** Self-host the core product - [ ] **[should-have]** Do everything through the API that I can do in the UI - [ ] **[should-have]** Read the product's source under an open license ## Plugins extensibility - [ ] **[should-have]** A documented plugin API with typings and samples lets me build and distribute my own editor extensions - [ ] **[should-have]** Extend the editor from a large plugin community or marketplace — icons, data fillers, accessibility checkers, and more ## Pricing plans - [ ] **[should-have]** The free tier supports real design work — usable editor and collaboration without a paid seat - [ ] **[nice-to-have]** Published plan pricing makes seat types, tiers, and AI-feature gating clear before procurement ## Privacy posture - [ ] **[must-have]** Prevent my data from being used to train AI models - [ ] **[should-have]** Choose where my data is stored (region/residency) - [ ] **[should-have]** Control data retention and deletion - [ ] **[should-have]** Opt out of telemetry and usage tracking ## Prototyping - [ ] **[should-have]** Wire screens into clickable prototypes with triggers, transitions, and overlays — no code required - [ ] **[nice-to-have]** Prototypes can carry advanced behavior — animation between states, conditions or variables, scroll effects — to feel like the real product ## Vector editing - [ ] **[must-have]** I get professional vector tools — pen and path editing, boolean operations, precise alignment — for real interface design work - [ ] **[should-have]** Frames can behave responsively — auto layout, constraints, and grids resize designs the way real UIs flex ## Versioning export - [ ] **[should-have]** Export production assets — PNG, SVG, PDF, and more — with per-layer presets, scales, and slices - [ ] **[should-have]** Self-host the full design platform on my own infrastructure under an open-source license - [ ] **[should-have]** Full version history lets me name milestones, compare, and restore any earlier state of a file - [ ] **[nice-to-have]** The file format is open or documented, so my designs stay portable and toolable outside the vendor's editor --- Source: https://ultrametric.ai/productarena/arena/design-tools (evidence-graded verdicts for 8 products) · methodology: https://ultrametric.ai/productarena/methodology
Chips show the top 5 ranked products' current verdict on each requirement — ✓ full · ~ partial · ! disputed · — none · n/a not applicable.
Agent design — stories about agent design in this arenaAgent design· 3 items
Stories about agent design in this arena
Agenticness — how well agents can access and operate the productAgenticness· 17 items
How well agents can access and operate the product
Ai design — stories about ai design in this arenaAi design· 2 items
Stories about ai design in this arena
Automation depth — how much of the product can run unattendedAutomation depth· 4 items
How much of the product can run unattended
Collaboration multiplayer — stories about collaboration multiplayer in this arenaCollaboration multiplayer· 2 items
Stories about collaboration multiplayer in this arena
Components design systems — stories about components design systems in this arenaComponents design systems· 3 items
Stories about components design systems in this arena
Dev handoff — stories about dev handoff in this arenaDev handoff· 2 items
Stories about dev handoff in this arena
Openness — open source, data portability, and self-hosting storiesOpenness· 4 items
Open source, data portability, and self-hosting stories
Plugins extensibility — stories about plugins extensibility in this arenaPlugins extensibility· 2 items
Stories about plugins extensibility in this arena
Pricing plans — plan structure and value — what each tier costs and what it unlocksPricing plans· 2 items
Plan structure and value — what each tier costs and what it unlocks
Privacy posture — data-handling and privacy storiesPrivacy posture· 4 items
Data-handling and privacy stories
Prototyping — stories about prototyping in this arenaPrototyping· 2 items
Stories about prototyping in this arena
Vector editing — stories about vector editing in this arenaVector editing· 2 items
Stories about vector editing in this arena
Versioning export — stories about versioning export in this arenaVersioning export· 4 items
Stories about versioning export in this arena
Full evidence behind every verdict lives on the arena page and each product page — chips above deep-link straight to the judged story.