hubble.ai

Whether agents can crawl you, find you in the registries and searches they check, and trust what they find.

• ✓Sitemap present & freshrequired4/4

  Sitemap at https://www.hubble.ai/sitemap.xml: 10 entries, freshest <lastmod> 2026-07-28 (21 days ago)

  Resolved the sitemap from robots.txt or /sitemap.xml, validated XML, and checked lastmod freshness

  spec ↗report issue
• ✗Brand search discoverabilityrequired0/4

  Neither search ("Hubble", "Hubble data analytics") cited hubble.ai. Cited instead: https://www.stsci.edu/public/hst_status/2026_reports.html, https://hst-docs.stsci.edu/hsp/files/148640114/250511760/2/1778006982108/Cycle34_TAC_Talk_HST_Status.pdf, https://www.stsci.edu/contents/newsletters/2026-volume-43-issue-01/fall-2025-meeting-of-hubble-space-telescope-users-committee-stuc, https://science.nasa.gov/missions/hubble/nasas-hubble-captures-light-show-around-rapidly-dying-star/, https://www.scientificamerican.com/article/why-the-hubble-space-telescope-still-matters/

  fix → Your domain doesn't surface when agents search "Hubble". Strengthen brand pages, structured data, and third-party citations (docs portals, GitHub, directories).

  Ran clean brand-name web searches and checked whether your domain is cited in the results

  report issue
• —MCP registry listingsrecommendedna

  No MCP server detected for this product

  Queried the official MCP registry, Smithery, Glama, and PulseMCP for servers matching your domain

  spec ↗report issue

Whether your robots policy, bot protection, and agent guidance actively admit AI agents instead of blocking them.

• ✓robots.txt present & parseablerequired2/2

  /robots.txt parses: 10 User-agent group(s), 1 Sitemap line(s)

  Fetched /robots.txt and validated it parses as a robots policy

  spec ↗report issue
• ✓AI crawler policyrequired5/5

  All 12 AI crawler user-agents (GPTBot, ClaudeBot, PerplexityBot, …) are allowed at / by robots.txt

  Evaluated robots.txt groups for the major AI agent user-agents (GPTBot, ClaudeBot, PerplexityBot, …)

  report issue
• ✗Content Signals directivesemerging0/2

  No Content-Signal lines in robots.txt

  fix → Declare Content Signals in robots.txt (e.g. `Content-Signal: search=yes, ai-train=no`) to express AI usage preferences machine-readably.

  Looked for Content-Signal lines in robots.txt

  spec ↗report issue
• ✓Agent user-agent paritybetarequired4/4

  All three UAs get HTTP 200; bot bodies are ClaudeBot 100%, GPTBot 100% of the browser response (64645 bytes)

  Compared responses served to browser and AI-agent user-agents (informational while in beta)

  report issue
• ✗agents.mdrecommended0/3

  No agents.md: https://hubble.ai/agents.md → HTTP 404, https://hubble.ai/AGENTS.md → HTTP 404

  fix → Add /agents.md: what agents may do on your site, key URLs, auth, rate limits, and who to contact.

  Fetched /agents.md and checked for substantive agent guidance

  spec ↗report issue

Whether your pages carry machine-readable identity: structured data, llms.txt, clear copy an agent can quote.

• ✓Homepage states what you arerequired3/3

  Homepage clarity rated 5/5 — an agent can confidently say what this company does (model's one-sentence read: "Hubble provides a platform for healthcare organizations to retrieve patient records across various EHRs and payers, utilizing both patient-mediated and provider-mediated access, and offers a unified API for integration.")

  An LLM read your homepage as an agent would and rated how confidently it could say what you do

  report issue
• ✓OpenGraph / social metadatarecommended2/2

  Homepage has og:title, og:description, and og:image (twitter:card="summary_large_image" present)

  Parsed homepage og:title / og:description / og:image and twitter:card meta tags

  spec ↗report issue
• ◐llms.txtrecommended2/4

  /llms.txt exists (7185 chars) but is missing at least one markdown link [name](url)

  fix → Your /llms.txt is missing at least one markdown link [name](url). Follow llmstxt.org: start with `# YourName`, add a `>` summary line, then sections of curated links.

  Fetched /llms.txt and validated it against the llmstxt.org shape (H1, summary, curated links)

  spec ↗report issue
• ✗llms-full.txtbonusrecommended0/2

  GET /llms-full.txt returned HTTP 404

  fix → Add /llms-full.txt with expanded inline docs content so agents can load everything in one fetch.

  Fetched /llms-full.txt and checked for substantial inline markdown content

  spec ↗report issue
• ✓JSON-LD structured datarequired4/4

  4 JSON-LD block(s) on homepage (types: FAQPage, Organization, SoftwareApplication, WebSite); FAQPage block is well-formed

  Extracted and validated application/ld+json blocks on the homepage and pricing page

  spec ↗report issue
• ✗Markdown content negotiationrecommended0/3

  GET / with `Accept: text/markdown` returned HTTP 200 text/html; no .md twins found (1 probed)

  fix → Serve text/markdown when clients send `Accept: text/markdown` (or expose .md twins of key pages) — agents get far more signal per token.

  Requested key pages with Accept: text/markdown and probed .md twin URLs

  report issue

Whether the artifacts an agent needs to build on you — docs, API specs, SDKs, MCP servers — exist and are findable.

• ◐Developer resource discoverabilityrecommended1/3

  Search "Hubble API documentation" cited no hubble.ai URL — only third-party content describes your API: https://hubble.com/docs/api-specification/hubble-platform-api, https://hubble.com/docs/, https://hubble.com/docs/device-sdk/terrestrial/sdk-reference, https://docs.myhubble.money/api, https://api.hubbleprotocol.io/metrics

  fix → Create a crawlable /docs or developers.hubble.ai hub and link it from your homepage footer so search-grounded agents find your official API docs.

  Searched for your brand with developer-keyword suffixes and checked which official resources are cited

  report issue
• ✗OpenAPI spec discoverablerequired0/5

  No OpenAPI spec found: checked docs-page links and /openapi.json, /openapi.yaml, /swagger.json, /api/openapi.json, /docs/openapi.json, and api-subdomain locations

  fix → Publish your OpenAPI spec at /openapi.json and link it from docs — it's the single highest-leverage artifact for agent integration.

  Probed standard OpenAPI locations and docs links for a fetchable, parseable spec

  spec ↗report issue
• ✗Docs discoverablerequired0/4

  No docs found: probed 6 candidates (https://hubble.ai/docs, https://hubble.ai/documentation, https://hubble.ai/developers, https://hubble.ai/api, https://docs.hubble.ai/, https://developers.hubble.ai/)

  fix → Expose public docs at /docs or docs.hubble.ai and link them from your homepage nav.

  Followed homepage nav/footer links and probed /docs, /developers, docs.{domain}

  report issue
• ◐MCP server discoveryrequired2.5/5

  MCP evidence found only as a mention in llms.txt: "MCP server" — no well-known server card

  fix → Publish /.well-known/mcp/server-card.json describing your MCP endpoint so agents can autodiscover it. Evidence found: llms.txt.

  Probed /.well-known/mcp/server-card.json, mcp.json, and docs mentions for an MCP endpoint

  spec ↗report issue
• ✗npm SDKrecommended0/2

  No official npm SDK found: probed 6 candidate(s) (@hubble/sdk, @hubble/hubble, hubble, hubble-sdk, hubble-api, hubble-js) — found but not domain-verified: hubble, hubble-js

  fix → Publish an official npm SDK (suggest @hubble/sdk) with your domain in package.json homepage so agents can verify it's official.

  Searched the npm registry for an official, domain-verified SDK package

  report issue
• ✗PyPI SDKrecommended0/2

  No official PyPI SDK found: probed 4 candidate(s) (hubble, hubble-sdk, hubbleapi, hubble-python) — found but not domain-verified: hubble

  fix → Publish an official Python SDK (suggest "hubble") with your domain in the project URLs so agents can verify it's official.

  Searched PyPI for an official, domain-verified SDK package

  report issue

Whether your specs, docs, and tools are complete and descriptive enough for an agent to use them without guessing.

• —OpenAPI validity & qualityrecommendedna

  No OpenAPI spec found — nothing to lint

  Linted the spec: descriptions, operationIds, securitySchemes, servers

  report issue
• —Docs qualityrecommendedna

  No documentation found to evaluate

  An LLM rated your docs for clarity, completeness, runnable examples, and agent-friendliness

  report issue
• —Quickstart / getting startedrecommendedna

  No docs found — a quickstart is evaluated on the docs artifact

  Looked for a quickstart/getting-started guide containing code blocks

  report issue
• —MCP tool qualityrecommendedna

  No MCP endpoint known — tool lint requires a tools/list

  Linted listed tools for descriptions, typed input schemas, and naming

  report issue

Response hygiene, TLS and redirect discipline, and security contact channels agents depend on at runtime.

• ✓TLS & redirect hygienerequired2/2

  http://hubble.ai/ upgrades to https in 1 hop(s), 1 redirect(s) total, final HTTP 200; HSTS present

  Checked http→https redirect behavior, chain length, and TLS health

  report issue
• ✓Response speed & weightrequired1/1

  Homepage TTFB 53ms, payload 63KB, Content-Encoding: gzip

  Measured homepage TTFB, payload size, and compression

  report issue
• ✗security.txtrecommended0/1

  https://hubble.ai/.well-known/security.txt returned HTTP 404

  fix → Publish RFC 9116 /.well-known/security.txt with a Contact and a future Expires.

  Fetched /.well-known/security.txt and validated Contact + Expires

  spec ↗report issue

Whether agents can discover your auth model machine-readably (OAuth metadata) and follow documented steps to credentials.

• ✗OAuth authorization server metadatarecommended0/3

  Neither /.well-known/oauth-authorization-server nor /.well-known/openid-configuration resolved (HTTP 404 / HTTP 404)

  fix → Serve RFC 8414 metadata at /.well-known/oauth-authorization-server with PKCE (S256) and a registration_endpoint so agents can self-onboard.

  Fetched /.well-known/oauth-authorization-server (and openid-configuration fallback)

  spec ↗report issue
• ✗OAuth protected resource metadatarecommended0/2

  No RFC 9728 metadata: https://hubble.ai/.well-known/oauth-protected-resource → HTTP 404

  fix → Serve RFC 9728 metadata at /.well-known/oauth-protected-resource naming your authorization servers so agents can discover how to authenticate.

  Fetched /.well-known/oauth-protected-resource

  spec ↗report issue
• ✗Auth documentationrecommended0/2

  No /auth.md and no docs page to search for authentication documentation

  fix → Document auth end-to-end (key creation → header format → example call), or ship /auth.md.

  Looked for /auth.md or an authentication docs page with code examples

  report issue

Whether pricing is discoverable and machine-readable, and whether you support agent payment protocols.

• ✗Pricing discoverablerequired0/5

  No pricing page found: no homepage link matching pricing/plans/billing, and probes of /pricing and /plans returned no HTML page.

  fix → Expose a crawlable /pricing page with literal plan prices and link it from your homepage nav.

  Followed nav/footer links and probed /pricing for a page with legible price signals

  report issue
• —Machine-readable pricingrecommendedna

  No pricing page found to evaluate

  Looked for Offer JSON-LD, then had an LLM attempt structured extraction of your plans

  spec ↗report issue
• ✗x402 payment supportbonusrecommended0/2

  /.well-known/x402 returned HTTP 404. No x402 support detected (bonus check — absence costs nothing).

  fix → Support x402: serve payment requirements at /.well-known/x402, or answer unauthenticated API calls with HTTP 402 plus an x402 payment-requirements payload (x402Version, accepts[]).

  Probed /.well-known/x402 and API endpoints for HTTP 402 payment-required envelopes

  spec ↗report issue
• ✗AP2 readinessemerging0/1

  No AP2 hints found — scanned llms.txt; /.well-known/ap2 returned HTTP 404.

  fix → Adopt AP2 to accept delegated agent payments — see https://ap2-protocol.org.

  Scanned fetched artifacts and well-known paths for AP2 hints

  spec ↗report issue
• ✗Agentic Commerce Protocolemerging0/1

  No Agentic Commerce Protocol hints found — scanned llms.txt; /.well-known/acp returned HTTP 404.

  fix → Adopt the Agentic Commerce Protocol so agent checkouts can complete against your store — see https://developers.openai.com/commerce.

  Scanned docs and specs for agentic checkout endpoints

  spec ↗report issue
• ✗Other agent payment protocolsbonusemerging0/1

  No UCP/MPP hints found — scanned llms.txt.

  fix → Track emerging agent payment protocols (UCP, MPP) and adopt the ones your buyers' agents use.

  Scanned fetched artifacts for UCP/MPP protocol hints

  report issue

Whether an end user's agent can operate on their behalf: working MCP tools, published skills, agent configs.

• —Agent skill publishedbonusemergingna

  Requires the analysis phase — not yet evaluated

  Checked /skill.md, /.well-known/skills/, and skills.sh for published agent skills

  report issue
• —MCP handshake & tools listrequiredna

  No MCP endpoint known — nothing to handshake with

  Performed a streamable-HTTP initialize + tools/list against the MCP endpoint

  spec ↗report issue
• —Agent configs in public repobonusemergingna

  Requires the analysis phase — not yet evaluated

  Checked your public GitHub org's main repos for AGENTS.md / .claude / .cursor configs

  report issue

Whether the site itself is legible to non-rendering and browser agents: semantic HTML, no JS walls, accessibility.

• ✗NLWeb endpointemerging0/1

  No NLWeb endpoint detected: /.well-known/nlweb.json returned HTTP 404 (text/html); GET /ask?query=hello returned HTTP 404 (text/html)

  fix → Consider exposing an NLWeb /ask endpoint (and /.well-known/nlweb.json) for conversational access to your content.

  Probed /.well-known/nlweb.json and the /ask endpoint

  spec ↗report issue
• ◐Semantic HTML structurerequired1.5/3

  4/6 semantic signals present on the homepage (missing: no heading-level skips, text-to-markup ratio ≥ 0.10)

  fix → Add the missing structure: no heading-level skips, text-to-markup ratio ≥ 0.10. Agents parse structure, not pixels.

  Scored landmark elements, heading hierarchy, and text-to-markup ratio on the homepage

  report issue
• ✓Content readable without JavaScriptrequired2/2

  Homepage raw HTML contains 3621 chars of visible text without JavaScript

  Measured visible text in the raw, unrendered homepage HTML

  report issue
• ✓Accessibility basicsrequired2/2

  Homepage accessibility: 5/5 checks passed

  Static checks: lang attribute, title, alt coverage, labeled inputs, landmarks

  report issue
• ✗WebMCPemerging0/1

  No WebMCP evidence on homepage: no application/webmcp script and no navigator.modelContext reference

  fix → Consider WebMCP to expose page actions as tools to browser agents.

  Looked for WebMCP script declarations on the homepage

  spec ↗report issue