Rubric
UX expertise your agent can call
What it does
Coding agents ship UI fast, but they design from vibes. Rubric gives them a source: 554 curated UX rules with severity, evidence and a concrete fix, served over MCP. One corpus, two moments. Before you build, your agent pulls prescriptive guidance, not generic best practices. After you ship, it audits the live site against the same rules and returns findings ranked by severity: issue, impact, actions, references. Claude Code, Cursor, Windsurf, Cline. Browser approval, no API keys.
A curated UX corpus served to coding agents over MCP. 554 units with severity, evidence and fixes, so your agent designs to what works and audits a live site against the same rules.
Rubric serves a curated UX corpus to coding agents over MCP. Your agent designs against what actually works, then audits a live site against the same rules, with findings, severity and the fix. claude mcp add --transport http rubric https://rubric.design/mcp Or install the plugin — it connects for you Copy /plugin marketplace add things-studio/rubric-plugins /plugin install rubric-audit@rubric A browser opens, you approve, and that is the whole setup — no key to paste. Any MCP client works, because the server is plain streamable HTTP. Where no browser can open — CI, a cron job — create a key and send it as Authorization: Bearer … instead. Ask an agent for design advice and you get the…from rubric.design
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