CSS Crème

CSS Crème is a platform that discovers, decodes, and helps build exceptional web design. It offers tools to extract themes from live sites, generate design systems, and provides AI‑assisted design assistance. Users can decode pages, extract CSS tokens, spacing, radii, and create installable design files. The service includes a free AI MCP server, design guidelines, UI pattern libraries, and open‑source icon and emoji packs, aiming to make modern, safe, and consistent web design accessible to developers and designers alike.

CSS Crème is listed with 1 API on the APIs.io network. Tagged areas include Company, Design, Artificial Intelligence, CSS, and Tools.

CSS Crème’s developer surface includes API reference, getting-started guide, support, engineering blog, and 7 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

9.5/100 minimal Agent 6/100 agent aware Full breakdown ↓
scored 2026-11-06 · rubric v0.27.0 · Show this score on your site →

1 API 1 MCP Servers

Company Design Artificial Intelligence CSS Tools Open Source

Kin Score

Kin Score How this is scored →
scored 2026-11-06 · rubric v0.27.0

Composite quality — 9.5/100 · minimal

Contract Quality 0.0 / 21

Developer Ergonomics 4.5 / 17

Access Clarity 0.0 / 17

Operational Transparency 0.0 / 11

Contract Governance 0.0 / 10

Discoverability 4.8 / 9

Regulatory Posture 0.8 / 15

Agent readiness — 6/100 · agent aware

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 4 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author
Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey)
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented)
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0

11 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 0.0 — up to +25.0 composite points
Access Clarity scores 0.0 — up to +20.0 composite points
Developer Ergonomics scores 26.2 — up to +14.8 composite points

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/csscreme-com/apis.yml: open an issue on github.com/api-evangelist/csscreme-com to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

Model Context Protocol (MCP)

measured — observed by APIs.io (documented)

APIs 1

Individual APIs this provider publishes, each with its own machine-readable definition.

CSS Crème API

API for CSS Crème platform offering theme extraction and design assistance.

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

CSS Crème MCP Server

Remote MCP server at csscreme.com.

MCP SERVER

Security Posture 1

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Csscreme Com Domain Security

TLSv1.3 · DMARC

SECURITY

Resources

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

Documentation 1

Reference material describing how the API behaves

APIReference

APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

MCPServer

MCPServer

WellKnown

WellKnown

llms.txt

llms.txt

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Company 2

The organization behind the API

Website

Website

Blog

Blog

Other 2

Properties that don't map to a standard resource type

Hosts

Hosts

Vendors

Vendors

Source (apis.yml)

aid: csscreme-com
name: CSS Crème
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  probe_state: unreadable
  source:
  - security
  generated: '2026-11-06'
  method: derived
image: https://csscreme.com/og-image.jpg
description: CSS Crème is a platform that discovers, decodes, and helps build exceptional web design. It offers tools to extract
  themes from live sites, generate design systems, and provides AI‑assisted design assistance. Users can decode pages, extract
  CSS tokens, spacing, radii, and create installable design files. The service includes a free AI MCP server, design guidelines,
  UI pattern libraries, and open‑source icon and emoji packs, aiming to make modern, safe, and consistent web design accessible
  to developers and designers alike.
url: https://artifacts.apis.io/csscreme-com/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-04 (modular-v1; was harvest)
specificationVersion: '0.20'
created: '2026-11-04'
modified: '2026-11-04'
tags:
- Company
- Design
- Artificial Intelligence
- CSS
- Tools
- Open Source
tags_raw:
- Company
- Design
- AI
- CSS
- Tools
- OpenSource
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: MCPServer
  url: mcp/csscreme-com-mcp.yml
- type: WellKnown
  url: well-known/csscreme-com-well-known.yml
- type: Hosts
  url: hosts/csscreme-com-hosts.yml
- type: Vendors
  url: vendors/csscreme-com-vendors.yml
- type: DomainSecurity
  url: security/csscreme-com-domain-security.yml
- type: Website
  url: https://csscreme.com/
- type: APIReference
  url: https://csscreme.com/ai
- type: GettingStarted
  url: https://csscreme.com/ai
- type: Support
  url: https://csscreme.com/ai
- type: Blog
  url: https://csscreme.com/blog
- type: llms.txt
  url: https://csscreme.com/llms.txt
apis:
- name: CSS Crème API
  description: API for CSS Crème platform offering theme extraction and design assistance.
  humanURL: https://csscreme.com/api
  aid: csscreme-com:css-cr-me-api
x-coverage:
  state: unreadable
  reason: js-rendered-docs
  detail: API documentation page https://csscreme.com/api returns a JavaScript challenge page, preventing machine‑readable
    spec retrieval.
  evidence:
  - url: https://csscreme.com/api
    status: 429
  checked: '2026-11-04'
x-enrichment:
  date: '2026-11-04'
  status: enriched
  artifacts_added: 10
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

CSS Crème API — frequently asked questions

Does CSS Crème have an API?

Yes. APIs.io lists 1 API from CSS Crème, including CSS Crème API.

Does CSS Crème have an MCP server?

Yes. APIs.io lists 1 MCP server for CSS Crème: Remote MCP server at csscreme.com.

Is the CSS Crème API ready for AI agents?

CSS Crème has a Kin Score of 9.5 out of 100 (minimal) and an Agent Readiness score of 6.3 (agent-aware), scored by API Evangelist on 2026-11-06.

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get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
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