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Documentation

Parlance is the design-to-code contract platform. It evaluates your design files, code, live products and native apps against shared UI contracts, glossaries, design tokens and recognised accessibility standards — so design and code never quietly drift apart.

Start here

  • Quickstart — create a workspace, define your first contract and run an audit.
  • UI contracts — what a contract is, and how clauses work.
  • Glossaries & tokens — the shared vocabulary for colour, spacing, type and motion.
  • Accessibility — WCAG 2.2, WAI-ARIA 1.2, Section 508 and EN 301 549.

Core ideas

Parlance holds design, code, live products and native apps to one source of truth:

  • Contracts describe what a component must be — its structure, properties and states.
  • Glossaries and tokens give those contracts a shared vocabulary, drawn straight from your design tokens.
  • Audits check design, code, live and native sources against the contract and report issues by severity.

Build it into your workflow

Parlance meets your team where they work, through extensions for Figma, the browser, VS Code, Xcode and native apps — plus an MCP server for AI agents. Automate everything through the REST API and the client SDK.

Ready? Start with the quickstart →