Connect Designesy and your agent gets 17 tools, among them designesy_a11y_score, designesy_agent_json, designesy_catalog. It answers at https://www.designesy.org/api/mcp over streamable HTTP, and it listed its tools to an anonymous client, so no sign-in was needed for that. Our probes reached it 9 of 10 times since 5 September 2026; the last check, on 18 October 2026, succeeded.
Score any URL against a real design contract — 42 checks, A-F grade, token + motion validation.
Description as the publisher wrote it.
| Tool | What it does |
|---|---|
designesy_a11y_score | Get the Designesy WCAG 2.2 AA accessibility verification framework: 11 conformance checks (a01-a11) plus a ready-to-run Playwright + axe-core 4.13.0 script template targeting your URL. Use this to audit a site for accessibility violations. Inputs: url, ruleset, config |
designesy_agent_json | Get the Designesy agent discovery document (/.well-known/agent.json) — the org identity, authority, ingest protocol, package index, machine-export list, permission policy, and citation templates. Use this when you are integrating with or en |
designesy_catalog | List the 23 published Designesy packages with versions, URLs, and statuses. Use this to discover what Designesy publishes before fetching a specific contract. When NOT to use: if you already know which package you need, skip this and call d |
designesy_compare | Diff two design systems from live URLs — the only URL-scoped design-token diff engine. Fetches both URLs in parallel, extracts their :root custom properties, and produces a structured diff across 8 dimensions: tokens added (in A not B), rem Inputs: urlA, urlB |
designesy_contract | Get the Designesy design-system contract — the canonical tokens, motion, acoustic, takt, cadence, typography, components, and verification rules that define what the Designesy org considers legitimate design. Use this when you need the actu Inputs: section |
designesy_design_review | Get the Designesy Design Review framework — an 8-dimension rubric (Purpose, Clarity, Context, Inclusion, System coherence, Durability, Delight, Responsibility) plus the agent prompt, output format, and verification checklist for a qualitati Inputs: artifact, purpose, context, rules |
designesy_drift_score | Score a live URL for AI-generated UI drift — 12 checks detect the four documented 2026 drift failure modes: token fabrication (var() to undeclared custom properties), within-session drift (spacing/color/radius value variance), between-sessi Inputs: url |
designesy_guardrails | Generate a frozen build-contract bundle for AI coding agents from any design system URL — the product layer. Ingests a site, extracts its :root tokens, and emits 6 outputs: (1) DTCG-format token file, (2) Stylelint config generated from tok Inputs: url |
designesy_llms_full_txt | Get the Designesy /llms-full.txt — the complete agent-facing brief: ingest protocol, discovery endpoints, every package, standing rules, anti-patterns, and a paste-ready agent prompt. Use this for comprehensive onboarding to the Designesy e |
designesy_llms_txt | Get the Designesy /llms.txt — a short agent-facing brief with the canonical reference, topic index, ingest steps, package list, and contact. Use this first when you don't know what Designesy is — it's the cheapest orientation path before pu |
designesy_monitor_score | Score a URL for continuous design-drift governance — the temporal layer over the drift radar. Re-runs the 12 drift checks (d01-d12) on the URL and computes 10 monitor checks (m01-m10): schedule registered, last run fresh, drift delta vs bas Inputs: url, email, history |
designesy_motion_score | Validate a Lottie animation file against the Lottie spec v1.0.1 and the Designesy §16 Ten Non-Negotiable Motion Standards, returning 10 checks (m01-m10) with PASS/FAIL/WARN. The DTCG 2025.10 spec leaves motion tokens as a second-class citiz Inputs: url, lottie_file |
designesy_readiness_score | Score a URL for design-system AI readiness — the 6th maturity axis (zeroheight 2026). 10 checks probe the target origin for machine-readable artifacts: DTCG token files, llms.txt, agent.json, MCP endpoint (tools/list), DESIGN.md, token $des Inputs: url |
designesy_report | Generate a unified design-intelligence report for a single URL — the synthesis capstone of the Designesy dynasty. Fires /score (42-check audit), /drift (12-check drift radar), and /readiness (10-check AI readiness) in parallel, then compute Inputs: url |
designesy_score | Score a live URL against the Designesy design contract — a deterministic 42-check verification engine that returns a numeric score, letter grade (A–F), and per-check breakdown. Use this to audit whether a website or AI-generated UI complies Inputs: url |
designesy_skill_md | Get the Designesy SKILL.md — the agent-skill-format export of the design-system contract, written as behavioral rules an AI coding agent can drop into .agents/skills/ or a system prompt. Use this when you want the contract in a form that st |
designesy_tokens_score | Validate a design token file against the W3C Design Tokens Community Group (DTCG) 2025.10 Final Community Group Report (the spec's first stable version, published Oct 28 2025 — Candidate Recommendation, considered stable). Returns 10 confor Inputs: url, dtcg_file |
Every block below points at https://www.designesy.org/api/mcp. Pick your client and copy.
claude mcp add --transport http designesy https://www.designesy.org/api/mcp
{
"mcpServers": {
"designesy": {
"command": "npx",
"args": ["-y", "mcp-remote", "https://www.designesy.org/api/mcp"]
}
}
}{
"mcpServers": {
"designesy": {
"url": "https://www.designesy.org/api/mcp"
}
}
}{
"servers": {
"designesy": {
"type": "http",
"url": "https://www.designesy.org/api/mcp"
}
}
}{
"context_servers": {
"designesy": {
"url": "https://www.designesy.org/api/mcp"
}
}
}{
"mcpServers": {
"designesy": {
"serverUrl": "https://www.designesy.org/api/mcp"
}
}
}{
"mcpServers": {
"designesy": {
"url": "https://www.designesy.org/api/mcp"
}
}
}name: Designesy
version: 0.0.1
schema: v1
mcpServers:
- name: Designesy
type: streamable-http
url: https://www.designesy.org/api/mcp{
"mcpServers": {
"designesy": {
"httpUrl": "https://www.designesy.org/api/mcp"
}
}
}{
"mcpServers": {
"designesy": {
"type": "http",
"url": "https://www.designesy.org/api/mcp"
}
}
}{
"mcpServers": {
"designesy": {
"url": "https://www.designesy.org/api/mcp"
}
}
}goose://extension?url=https%3A%2F%2Fwww.designesy.org%2Fapi%2Fmcp&type=streamable_http&id=designesy&name=Designesy
It answered our last check on 18 October 2026 in 427 ms. Over 10 checks since 5 September 2026 it answered 9. Status here comes from Neuronto's own probes, not from the publisher.
17, as returned by the server's own tools/list on 31 August 2026: designesy_a11y_score, designesy_agent_json, designesy_catalog, designesy_compare, designesy_contract, designesy_design_review, designesy_drift_score, designesy_guardrails, and 9 more.
It answered our last check on 18 October 2026 in 427 ms. Over 10 checks since 5 September 2026 it answered 9.
Put the server under mcpServers in ~/.cursor/mcp.json with the URL https://www.designesy.org/api/mcp. The exact JSON is above, with the same setup for Claude Code, Claude Desktop, VS Code, Windsurf, Zed, Gemini CLI and the rest.
It listed its tools to an anonymous client, so reading the tool list needs no key. Individual tools can still ask for credentials in their own inputs.
Publisher: io.github.le-vai. Endpoint host: www.designesy.org. ARD identifier: urn:air:io.github.le-vai:mcp:designesy-org.
First indexed 31 August 2026. The tools are exactly what the server returned; nothing on this page
is inferred from its name. Ranking in Neuronto search is never for sale.