Agent Readiness Score
close.com
39 — Limited. Agents will struggle to discover or use this site without human help.
HonestClaw measured how well close.com's site and APIs work for AI agents — across 9 dimensions and 45 automated checks.
Dimensions
Discoverability10.2/24
Content Accessibility9.5/24
Bot Access Control1.4/12
Protocol & Capability Discovery19.2/41
Authentication & Credentials10.4/19
Documentation Quality4/10
Structured Data I/O2.9/13
Observable State & Reliability2/15
Agent Safety & Trust6.5/11
Checks
Discoverability
Subdomain sweepsubdomain-sweepAn agent-relevant subdomain is live (api.close.com).Detected
API catalogapi-catalogAPI Catalog found at https://close.com/.well-known/api-catalog (application/linkset+json).Detected
Canonical domaincanonical-domainRoot and www converge on close.com, with a matching canonical tag.Cross-verified
sitemap.xmlsitemap-xmlhttps://close.com/sitemap.xml is a valid sitemap (1978 location(s)), but without lastmod or non-homepage URLs.Parseable
robots.txtrobots-txtrobots.txt at https://close.com/robots.txt declares a sitemap. Declared sitemap https://www.close.com/sitemap.xml resolves as valid XML.Cross-verified
API existenceapi-existenceA real API surface is declared at https://api.close.com/api/openapi.json: the spec lists servers and paths. (source: spec)Parseable
API versioningapi-versioningThe API version is declared in the spec (info.version) at https://api.close.com/api/openapi.json. (source: spec)Parseable
Content Accessibility
llms.txtllms-txtA valid llms.txt header exists at https://close.com/llms.txt, but it lists few or no link sections (0 links, 27 sections).Parseable
Markdown twinmarkdown-twinA markdown twin is published at https://developer.close.com/index.md alongside the docs HTML surface (https://developer.close.com/).Parseable
Raw content extractabilityraw-content-extractabilityModerate-to-strong main content (68% of visible text) is extractable from raw HTML on the homepage.Useful
Freshness signalsfreshness-signalsA single freshness signal is present (Last-Modified header).Parseable
Crawl-cost estimatecrawl-cost-estimateInformational — not scoredA manageable sitemap (1978 page URLs) helps agents estimate crawl cost.Useful
llms-full.txtllms-full-txtNo llms-full.txt file found (HTML pages at .txt paths do not qualify).Not detected
ai.txtai-txtNo ai.txt file found (HTML pages at .txt paths do not qualify).Not detected
Bot Access Control
AI bot rulesai-bot-rulesrobots.txt is readable but declares no AI-bot-specific rules.Not detected
Content signalscontent-signalsrobots.txt declares 2 recognized Content Signal(s) with a valid value: ai-train, search.Useful
RSL licensingrslrobots.txt is readable but declares no RSL License directive.Not detected
TDM reservationtdmrepNo TDMRep policy found at /.well-known/tdmrep.json.Not detected
Protocol & Capability Discovery
MCP descriptormcp-descriptorInformational — not scoredNo MCP descriptor found at the standard locations an agent would check.Not detected
MCP Server Cardmcp-server-cardNo MCP Server Card found at the standard locations an agent would check.Not detected
A2A Agent Carda2a-agent-cardNo A2A Agent Card found at the standard well-known locations.Not detected
MCP supportmcp-supportFirst-party documentation at https://developer.close.com/mcp identifies the MCP endpoint https://mcp.close.com/mcp and explains both its capabilities and how clients connect or authenticate.Cross-verified
DNS-AIDdns-aidNo DNS-AID index found at _index._agents.close.com.Not detected
.well-known indexwell-known-indexNo non-owned /.well-known/ descriptors found.Not detected
GraphQL surfacegraphql-surfaceNo GraphQL transport surface found at conventional paths (GET-only; no introspection issued).Not detected
Auth discoveryauth-discoveryAgent-native auth discovery: a valid RFC 9728 PRM (via challenge) or a PRM plus a valid AS/OIDC descriptor.Cross-verified
SDK availabilitysdk-availabilityNo SDK or client library documentation found.Not detected
Link headerslink-headersLink header(s) present with recognized rel values.Parseable
OpenAPI specificationopenapi-specValid OpenAPI 3.1.0 spec at https://api.close.com/api/openapi.json: 300 operations, 184 schemas, 100% response coverage, servers declared.Cross-verified
Rate limit documentationrate-limit-docsRate limits are documented at https://developer.close.com/api/overview/rate-limits with a concrete limit and rate-limit response headers. To reach the top level, it would need 429 handling, Retry-After guidance, and tier/plan differences.Useful
WebMCPwebmcpInformational — not scoredWebMCP browser probing is not yet available in this scanner release.Couldn't verify
Authentication & Credentials
Credential managementcredential-managementCredential management is mentioned at https://close.com/changelog/improved-api-key-management, but not on a page dedicated to documenting it.Detected
Programmatic auth flowprogrammatic-auth-flowA programmatic auth flow is fully documented at https://developer.close.com/api/overview/oauth-authentication, with a non-interactive grant, token endpoint, scopes, and token expiry/refresh.Cross-verified
Auth documentationauth-documentationAuthentication is fully documented at https://developer.close.com/api/overview/oauth-authentication, naming complete method(s) and how they are sent, corroborated across surfaces or covering multiple methods.Cross-verified
Sandbox environmentsandbox-environmentNo sandbox or test environment documentation found at the standard docs locations an agent would check.Not detected
Documentation Quality
API reference depthapi-reference-depthAPI reference content is mentioned at https://developer.close.com/api/overview, but not on a dedicated reference page.Detected
Changelog presencechangelog-presenceA changelog is published at https://developer.close.com/api/overview/changelog/2018/11/28 with dated entries describing changes. To reach the top level, it would need multiple recent dated entries showing an ongoing cadence.Useful
Structured Data I/O
Structured data I/Ostructured-data-ioThe spec at https://api.close.com/api/openapi.json declares response schemas, but typed responses are not the norm (38% of operations). (source: spec)Parseable
Machine-readable pricingmachine-readable-pricingA response at https://close.com/pricing.json looks JSON-like but did not parse as JSON.Detected
Data export APIdata-export-apiNo data export or bulk API documentation found at the standard docs locations an agent would check.Not detected
Observable State & Reliability
Status & health endpointsstatus-and-healthStatus page found at https://status.close.com/ (HTTP 200).Detected
Retry & idempotencyretry-and-idempotencyNo retry or idempotency documentation found at the standard docs locations an agent would check.Not detected
Webhook documentationwebhook-documentationA webhook documentation page exists at https://developer.close.com/api/resources/webhooks, but it doesn't list specific event types with their payload shape.Parseable
Error documentationerror-documentationNo error documentation found at the standard docs locations an agent would check.Not detected
Machine payments (x402/MPP)x402-or-mpp-supportInformational — not scoredNo machine-payment signal observed (no HTTP 402, no payment-required response header, and no /.well-known/x402.json manifest). Payment support cannot be ruled out from an unauthenticated probe.Couldn't verify
Agent Safety & Trust
security.txtsecurity-txtNo security.txt found at /.well-known/security.txt or /security.txt.Not detected
Legal policy pageslegal-pagesBoth privacy and terms policies are discoverable with substantive content.Useful
Org identity signalsorg-identityHomepage exposes three org-identity signal types (legal_name, social, address).Useful
Metadata consistencymetadata-consistencyHomepage metadata (canonical, Open Graph, schema) is present and consistent.Cross-verified