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Designesy

connects

www.designesy.org

Score any URL against a real design contract — 42 checks, A-F grade, token + motion validation.

https://www.designesy.org/api/mcpWebsiteNo authMCP 2025-11-25v1.13.9last checked 18 Oct 2026spoke MCP on 100% of 87 checks (30 days)initialize in 531 ms

Will my client connect?

Decided from what the probe found at the endpoint, and from what each client's own documentation says it can complete. Every row carries the day that documentation was read.

✓Claude CodeConnects

The endpoint answers an anonymous handshake, so no credential is needed.

claude mcp add --transport http designesy https://www.designesy.org/api/mcp

Claude Code docs · read on 2026-08-30

✓Claude (claude.ai & Desktop)Connects

The endpoint answers an anonymous handshake, so no credential is needed.

Settings → Connectors → Add custom connector, then paste https://www.designesy.org/api/mcp.

Claude (claude.ai & Desktop) docs · read on 2026-08-30

✓ChatGPTConnects

The endpoint answers an anonymous handshake, so no credential is needed.

Settings → Apps → Advanced settings → Developer mode, then create a connector pointing at https://www.designesy.org/api/mcp.

ChatGPT docs · read on 2026-08-30

✓CursorConnects

The endpoint answers an anonymous handshake, so no credential is needed.

{
  "mcpServers": {
    "designesy": {
      "url": "https://www.designesy.org/api/mcp"
    }
  }
}

Cursor docs · read on 2026-08-30

✓VS Code (Copilot)Connects

The endpoint answers an anonymous handshake, so no credential is needed.

{
  "servers": {
    "designesy": {
      "type": "http",
      "url": "https://www.designesy.org/api/mcp"
    }
  }
}

VS Code (Copilot) docs · read on 2026-08-30

How to authenticate

Checked against the endpoint by our probe on 18 Oct 2026. These are the capabilities the server advertises, not a prediction about any particular client.

Scheme
No auth
Protected-resource metadata
✕Not found

Without it a client has to guess where the authorization server lives.

Anonymous access
Handshake succeeds; 17 tools listable

Tools

designesy_a11y_scoredesignesy_agent_jsondesignesy_catalogdesignesy_comparedesignesy_contractdesignesy_design_reviewdesignesy_drift_scoredesignesy_guardrailsdesignesy_llms_full_txtdesignesy_llms_txtdesignesy_monitor_scoredesignesy_motion_scoredesignesy_readiness_scoredesignesy_reportdesignesy_scoredesignesy_skill_mddesignesy_tokens_score

Contract history

16 Oct 2026v1.13.92 cosmeticinstructions rewritten

Instructions rewritten: designesy_contract. The description an agent follows changed; the callable contract may not have.

14 Oct 2026v1.13.95 cosmeticinstructions rewritten

Instructions rewritten: designesy_contract, designesy_drift_score, designesy_report, designesy_score. The description an agent follows changed; the callable contract may not have.

12 Oct 2026v1.13.82 cosmeticinstructions rewritten

Instructions rewritten: designesy_contract. The description an agent follows changed; the callable contract may not have.

11 Oct 2026v1.13.84 cosmeticinstructions rewritten

Instructions rewritten: designesy_contract, designesy_guardrails, designesy_tokens_score. The description an agent follows changed; the callable contract may not have.

10 Oct 2026v1.13.63 compatible9 cosmeticinstructions rewritten

Instructions rewritten: designesy_agent_json, designesy_contract, designesy_design_review, designesy_drift_score, designesy_guardrails, designesy_llms_full_txt, designesy_llms_txt, designesy_motion_score, designesy_report, designesy_score, designesy_skill_md, designesy_tokens_score. The description an agent follows changed; the callable contract may not have.

10 Oct 2026v1.13.217 cosmetic
9 Oct 2026v1.13.11 cosmetic
9 Oct 2026v1.13.11 cosmeticinstructions rewritten

Instructions rewritten: designesy_score. The description an agent follows changed; the callable contract may not have.

8 Oct 2026v1.12.21 compatible1 cosmeticinstructions rewritten

Instructions rewritten: designesy_score. The description an agent follows changed; the callable contract may not have.

6 Oct 2026v1.12.2no contract changes
5 Oct 2026v1.12.01 cosmetic
1 Oct 2026v1.12.01 cosmeticinstructions rewritten

Instructions rewritten: designesy_catalog. The description an agent follows changed; the callable contract may not have.

28 Sep 2026v1.12.018 cosmeticinstructions rewritten

Instructions rewritten: designesy_a11y_score, designesy_agent_json, designesy_catalog, designesy_compare, designesy_contract, designesy_design_review, designesy_drift_score, designesy_guardrails, designesy_llms_full_txt, designesy_llms_txt, designesy_monitor_score, designesy_motion_score, designesy_readiness_score, designesy_report, designesy_score, designesy_skill_md, designesy_tokens_score, ui://designesy/report-app. The description an agent follows changed; the callable contract may not have.

2 Sep 2026v1.12.0first recorded contract

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Status badge

Status for a README, from the last probe — cached an hour, so up to seven hours behind the endpoint. Links back to this page.

MCP status badge for Designesy
[![MCP status](https://mcpi.app/servers/designesy/badge.svg)](https://mcpi.app/servers/designesy)