huggingface.co
Journey
68.7/ 100
C · Needs work
Waymark scored huggingface.co 68.7/100 (C) on 24 Aug 2026.
huggingface.co is blockers remain. Access is the strongest layer, and Discovery is the open one. Next: jSON-LD structured data.
FindMixed
11.1/20
9 of 18 checks passed
DoorMixed
22.9/30
18 of 27 checks passed
ToolsMixed
27.8/40
10 of 16 checks passed
Pay
N/A
No cart or pay rail — out of the denominator.
Group by
1. Can an agent discover and trust you? 74/100
Whether an agent can find this origin from public files and treat it as the real one.
pass
HTTPS reachable
2/2
Evidence. Homepage responded 200 over HTTPS.
Probed homepage.
pass
robots.txt present
2/2
Evidence. Valid robots.txt with User-agent rules.
Probed robots.txt.
pass
XML sitemap
2/2
Evidence. Found sitemap.xml or sitemap index.
pass
Well-known AI catalog
1/1
Evidence. Found /.well-known AI catalog JSON.
Probed well-known paths.
failed
AGENTS.md
0/1
Evidence. agents.md status 404.
Probed public URLs named in the evidence.
Recommended fix. Publish /agents.md with agent-oriented usage notes.
partial
robots.txt AI policy
Required
1/2
Evidence. robots.txt present but no named AI crawlers.
Probed robots.txt.
Recommended fix. Name GPTBot, ClaudeBot, Google-Extended, PerplexityBot and state allow or deny.
pass
Sitemap for agents
Recommended
2/2
Evidence. Sitemap document fetched.
Probed sitemap.
pass
HTTP Link header
bonus
1/1
Evidence. Link: </.well-known/ai-catalog.json>; rel="ai-catalog"; type="application/ai-catalog+json", </.well-known/api-catalog>; rel="api-catalog"
Probed well-known paths.
failed
ai-plugin.json
bonus
0/1
Evidence. No /.well-known/ai-plugin.json.
Probed well-known paths.
Recommended fix. Optionally publish a plugin-style capability manifest.
pass
API catalog linkset
bonus
2/2
Evidence. api-catalog found.
scanner error
Wikipedia sitelink
bonus
0/4
Evidence. Wikidata SPARQL The operation was aborted
Scanner error — not counted as a site fail and not in the score denominator.
scanner error
Wikidata official website
bonus
0/3
Evidence. Wikidata SPARQL The operation was aborted
Scanner error — not counted as a site fail and not in the score denominator.
scanner error
Brand official-website match
Recommended
0/3
Evidence. Wikidata SPARQL The operation was aborted
Scanner error — not counted as a site fail and not in the score denominator.
pass
Public MCP registry listing
bonus
1/1
Evidence. Registry hit at https://registry.modelcontextprotocol.io/v0/servers?search=huggingface.
Probed public URLs named in the evidence.
failed
Package homepage match
bonus
0/1
Evidence. No npm package homepage matching huggingface.co.
Probed homepage.
Recommended fix. Publish an official package whose homepage is this domain.
failed
Sitemap lastmod
bonus
0/1
Evidence. Sitemap without lastmod.
Recommended fix. Add lastmod dates to sitemap entries.
n/a
related-website-set
bonus
0/1
Evidence. No related-website-set (N/A unless multi-origin).
n/a
ads.txt
bonus
0/1
Evidence. No ads inventory (N/A).
2. Do you welcome agents? 88/100
Whether crawlers and signed bots are allowed through rather than blocked at the door.
pass
AI crawlers not blanket-blocked
2/2
Evidence. No blanket Disallow: / for common AI bots.
n/a
robots Crawl-delay
bonus
0/1
Evidence. No Crawl-delay (optional).
n/a
Web Bot Auth keys
Recommended
0/2
Evidence. No http-message-signatures-directory.
partial
CORS / API hint
0.5/1
Evidence. No CORS header or obvious API path.
Recommended fix. If you expose an API, send Access-Control-Allow-Origin for intended clients.
pass
CSP or X-Frame-Options
1/1
Evidence. CSP or X-Frame-Options present.
3. Does an agent understand who you are and what you do? 34/100
Whether the site explains the product in language a model can ingest.
pass
Title and description
2/2
Evidence. Title and meta description present.
failed
JSON-LD structured data
0/4
Evidence. No JSON-LD on the homepage.
Probed homepage.
Recommended fix. Add JSON-LD (Organization, WebSite, or SoftwareApplication).
failed
html lang attribute
0/1
Evidence. Missing lang on <html>.
Recommended fix. Set <html lang="en"> (or the correct language).
failed
JSON-LD entities
Recommended
0/4
Evidence. No JSON-LD.
Recommended fix. Embed Organization, Product, Offer, SoftwareApplication, or FAQPage.
n/a
JSON-LD sameAs
bonus
0/2
Evidence. No JSON-LD.
pass
Open Graph basics
bonus
2/2
Evidence. Open Graph plus canonical.
failed
llms.txt
0/2
Evidence. llms.txt status 404.
Probed public URLs named in the evidence.
Recommended fix. Add /llms.txt describing the site for language models. Verify: curl -sI https://huggingface.co/llms.txt
failed
llms.txt index
Recommended
0/2
Evidence. Missing /llms.txt.
Recommended fix. Add a markdown index at /llms.txt. Verify: curl -sI https://huggingface.co/llms.txt
failed
llms.txt size and links
Recommended
0/2
Evidence. No llms.txt to score.
Recommended fix. Keep /llms.txt over ~200 characters with absolute URLs to docs.
failed
llms-full.txt
bonus
0/1
Evidence. llms-full.txt status 404.
Probed public URLs named in the evidence.
Recommended fix. Optionally publish /llms-full.txt for one-shot ingest.
n/a
Section llms.txt
bonus
0/1
Evidence. No /docs/llms.txt.
n/a
NLWeb schemamap
bonus
0/1
Evidence. No schemamap (N/A unless you offer NL search).
pass
Trust pages
Recommended
2/2
Evidence. Trust links found.
n/a
Speakable markup
bonus
0/1
Evidence. No SpeakableSpecification (N/A unless voice content).
n/a
humans.txt
bonus
0/1
Evidence. No /humans.txt (optional).
pass
security.txt
Recommended
1/1
Evidence. RFC 9116 security.txt with Contact.
pass
RSS or Atom feed
1/1
Evidence. Feed link detected.
partial
RSS or Atom document
bonus
0.5/1
Evidence. No /feed or /rss.xml document.
Recommended fix. Publish /rss.xml or /atom.xml.
4. Can an agent integrate with you? 75/100
Whether there is a documented machine door into the product.
failed
OpenAPI / Swagger link
0/2
Evidence. No OpenAPI/Swagger link in HTML.
Probed OpenAPI.
Recommended fix. Link to an OpenAPI or Swagger document from the homepage.
pass
Login or docs link
3/3
Evidence. Login or developer docs link found.
failed
MCP well-known card
0/2
Evidence. MCP mentioned without a well-known card.
Probed well-known paths.
Recommended fix. Publish /.well-known/mcp.json describing your MCP server.
pass
MCP SSE / HTTP hint
1/1
Evidence. Page mentions MCP or SSE transport.
n/a
openapi.json fetchable
0/0
Evidence. Fetched OpenAPI or Swagger document.
Probed OpenAPI.
failed
Webhook or API docs
0/2
Evidence. No webhook/API docs mention.
Recommended fix. Document webhooks and REST/RPC APIs for agents.
pass
Agent skills index
2/2
Evidence. Skills index or mention found.
pass
OpenAPI document
Required
5/7
Evidence. OpenAPI probe.
Probed OpenAPI.
pass
Public API surface
Recommended
7/7
Evidence. Docs or API paths look callable.
pass
Developer portal
Recommended
6/6
Evidence. Developer hub found.
pass
MCP server
Recommended
6/6
Evidence. MCP probe.
partial
MCP server card
Recommended
1/2
Evidence. MCP mentioned without a card.
Recommended fix. Publish /.well-known/mcp.json or mcp/server-card.json.
pass
Agent Skills files
bonus
2/2
Evidence. Skills file or index found.
failed
CLI tool
Recommended
0/3
Evidence. No CLI mention.
Recommended fix. Publish an official CLI.
pass
GraphQL GET hint
bonus
2/2
Evidence. GraphQL GET or docs mention.
pass
OpenAPI UI page
bonus
1/1
Evidence. Swagger UI or Redoc page found.
n/a
OpenAPI (legacy slot)
0/0
Evidence. OpenAPI/Swagger fetched.
Probed OpenAPI.
5. Is your integration well-built? 50/100
Whether the integration surface is complete enough to call with confidence.
n/a
MCP initialize
Required
0/3
Evidence. initialize HTTP 200 at https://huggingface.co/mcp
Probed public URLs named in the evidence.
partial
MCP server card
Recommended
1/2
Evidence. MCP mentioned without a card.
Recommended fix. Publish /.well-known/mcp.json or mcp/server-card.json.
6. Can an agent use you reliably in production? 82/100
Whether errors, idempotency, and limits are visible before a call fails.
pass
Rate limit signal
Recommended
2/2
Evidence. Rate-limit or retry signal found.
partial
Idempotency signal
Recommended
1/3
Evidence. API surface without idempotency notes.
Recommended fix. Document idempotency keys for mutating calls.
pass
Machine-readable errors
Recommended
4/4
Evidence. JSON/problem error shape found.
pass
Honest 404
Recommended
2/2
Evidence. 404/410 on probe path.
7. Can an agent authenticate to you? 95/100
Whether an agent can obtain access without a human in the loop.
pass
OAuth / OIDC well-known
2/2
Evidence. OAuth or OIDC discovery document found.
pass
OAuth 2.0 surface
Required
5/5
Evidence. Authorization or token endpoint in discovery.
pass
OAuth AS metadata
Required
3/3
Evidence. AS or OIDC metadata document fetched.
Probed public URLs named in the evidence.
pass
PKCE S256
Required
2/2
Evidence. S256 listed in code_challenge_methods_supported.
pass
OAuth protected resource
Recommended
2/2
Evidence. oauth-protected-resource found.
pass
Scoped permissions
Recommended
5/5
Evidence. Named scopes found.
n/a
auth.md
bonus
0/2
Evidence. No /auth.md (optional).
failed
change-password well-known
bonus
0/1
Evidence. Login surface without /.well-known/change-password.
Probed well-known paths.
Recommended fix. If users have passwords, serve /.well-known/change-password.
8. Can an agent transact with you? 100/100
Whether an agent can price, pay, or check out on a documented rail.
n/a
x402 payment
bonus
0/0
Evidence. No cart/SKU/checkout and no live payment rail (Pay N/A).
n/a
Agentic checkout (ACP)
bonus
0/0
Evidence. No cart/SKU/checkout and no live payment rail (Pay N/A).
n/a
ACP delegated payment
bonus
0/0
Evidence. No cart/SKU/checkout and no live payment rail (Pay N/A).
n/a
Universal Commerce Protocol
bonus
0/0
Evidence. No cart/SKU/checkout and no live payment rail (Pay N/A).
n/a
Machine Payments Protocol
bonus
0/0
Evidence. No cart/SKU/checkout and no live payment rail (Pay N/A).
pass
Pricing page
Recommended
3/3
Evidence. Fetched /pricing.
Probed public URLs named in the evidence.
n/a
pricing.md
bonus
0/2
Evidence. No /pricing.md (optional).
9. Can a user act through an agent? 0/100
Whether a person can finish a job through an agent-facing UI.
failed
MCP Apps UI hint
bonus
0/1
Evidence. No MCP Apps hint (N/A unless you return UI).
Recommended fix. If you return UI, declare io.modelcontextprotocol/ui resources.
n/a
A2A agent card
Required
0/2
Evidence. No agent-card.json (N/A unless A2A).
n/a
Web app manifest
bonus
0/1
Evidence. No web app manifest (N/A).
10. Can an agent operate your website directly? 50/100
Whether an agent can read and operate the site itself when there is no API or MCP.
failed
Markdown negotiation
bonus
0/1
Evidence. Homepage did not negotiate markdown.
Probed homepage.
Recommended fix. Respond to Accept: text/markdown with a markdown body.
failed
/index.md fallback
bonus
0/1
Evidence. index.md status 404.
Probed public URLs named in the evidence.
Recommended fix. Serve a markdown homepage at /index.md.
n/a
WebMCP page tools
bonus
0/1
Evidence. No in-page WebMCP (N/A).
pass
NLWeb /ask
bonus
1/1
Evidence. NLWeb or /ask signal.
pass
Agent mode view
bonus
1/1
Evidence. mode=agent responded.
Probed public URLs named in the evidence.
n/a
NodeInfo
bonus
0/1
Evidence. No nodeinfo (N/A).
n/a
oEmbed discovery
bonus
0/1
Evidence. No oEmbed (N/A unless embeddable).
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