--- title: "Spider agent readiness score: 82/100 · Agentrail" description: "The website is strongest in discovery, with its developer resources and brand name discoverable, but it lacks WebMCP support and ARD discovery." canonical: "https://www.agentrail.co/agent-readiness/spider.cloud" --- Full report ## See what each check found, and how to fix it. Evidence, step-by-step fixes and your score over time, for your own site. [Get started →](https://app.agentrail.co/login?utm%5Fsource=agentrail.co&utm%5Fmedium=website&utm%5Fcampaign=agent-readiness%2Fspider.cloud&utm%5Fcontent=company-report) Free to start. No card. Access 21 to fix - Content without JavaScriptRequiredHow to fix → - Agent discovery fileRequiredHow to fix → - A2A / agent-cardRecommendedHow to fix → - Listed on skills.shEmergingHow to fix → Fixes unlock with the full report Where the score comes from 74 of 90 points How spider.cloud scores on each of the four questions agents ask. Discovery18/20 Access26/30 Usability30/40 Paymentsnot scored yet Strongest ### Discovery ARD discovery and Wikipedia / Wikidata entity presence are missing. 18/20 Most to gain ### Usability auth.md exists, auth.md structure, and 15 more are missing. 30/40 Most to gain ### Access Content without JavaScript, Agent discovery file, and 10 more are missing. 26/30 Not scored yet ### Payments ( bonus ) 6 checks partly met. Counts when scoring opens. — Every check 125checks - Passed**33** - To fix**37** - Not in the score**55** 70 checks count toward the score. The other 55 are tracked for later. Discovery18 of 202 to fix5 passed ARD discoveryRequired0 / 1 Wikipedia / Wikidata entity presenceRecommended0 / 4 Developer resource discoverabilityRecommended3 / 3 Brand name discoverabilityRequired3 / 3 robots.txt AI crawler policyRequired2 / 2 Listed in MCP registriesRecommended1 / 1 NPM/PyPI SDK packageRecommended1 / 1 \+ 8 checks not in the score AI Catalog discoveryRecommendedNot counted ARD entry validityRecommendedNot counted ARD trust manifestRecommendedNot counted Category share of voiceRecommendedNot counted Agent platform configsEmergingNot counted Agent Plugins manifestEmergingNot counted Registry brandingEmergingNot counted ChatGPT app listedRecommendedNot counted Access26 of 305 to fix7 partly15 passed Agent discovery fileRequired0 / 2 A2A / agent-cardRecommended0 / 2 HTTP Link headers (RFC 8288)Required0 / 1 API catalog (RFC 9727)Required0 / 2 Markdown content negotiation (acceptmarkdown.com)Recommended0 / 1 Content without JavaScriptRequired2 / 3 Sitemap freshness (lastmod)Recommended0 / 1 Organization schema completenessRecommended1 / 2 Schema type breadthRecommended1 / 2 Trust anchor pagesRequired1 / 2 llms.txt links resolveRecommended1 / 2 Redirect hygieneRecommended0 / 1 Sitemap existsRequired2 / 2 Not blocked by bot detectionRequired2 / 2 MCP well-known discoveryRecommended2 / 2 robots.txt agent-user policyRequired2 / 2 llms.txt existsRequired1 / 1 llms.txt formattingRecommended2 / 2 JSON-LD structured dataRequired4 / 4 Pricing info accessibleRequired3 / 3 Public API/docs linked from homepageRequired3 / 3 JSON-LD entity linking (sameAs)Recommended2 / 2 Metadata completenessRequired2 / 2 Page token budgetRecommended1 / 1 OpenAPI spec publishedRequired7 / 7 Developer portalRecommended6 / 6 Agent crawler reachabilityRecommended2 / 2 \+ 15 checks not in the score Agent Skills index conformance (v0.2.0)EmergingNot counted Listed on skills.shEmergingNot counted pricing.md existsEmergingNot counted NLWeb Schema FeedsEmergingNot counted Agent mode viewEmergingNot counted Markdown URL fallbackEmergingNot counted Modular llms.txt per product areaEmergingNot counted Agent instruction / when-to-useRequiredNot counted Skills.sh skill qualityEmergingNot counted Markdown alternate linkEmergingNot counted Markdown frontmatter metadataEmergingNot counted Code fence validityEmergingNot counted Content behind authRecommendedNot counted Markdown agent docsEmergingNot counted Bot-UA markdown servingEmergingNot counted Usability30 of 4011 to fix6 partly13 passed auth.md existsRequired0 / 2 auth.md structureRecommended0 / 2 Agent auth WWW-Authenticate hintRecommended0 / 1 agent\_auth endpoints reachableRecommended0 / 2 WebMCP supportRequired0 / 5 Rate limit response headersRecommended0 / 2 Idempotency-Key supportRecommended0 / 3 REST async-job patternRecommended0 / 2 MCP server-card.jsonRecommended0 / 2 Sandbox / test environmentRecommended0 / 2 REST batch / bulk endpointRecommended0 / 2 Agent auth discovery metadataRecommended1 / 3 MCP server / manifestRequired5 / 6 REST versioning / deprecation policyRecommended1 / 3 Agent-friendly 404sRecommended1 / 2 API schema complexity analysisRecommended1 / 2 Function calling compatibilityRecommended1 / 2 Public API with reachable endpointsRequired7 / 7 OAuth 2.0 supportRequired5 / 5 Scoped permissionsRecommended5 / 5 MCP auth mechanismRecommended2 / 2 MCP OAuth metadataRecommended2 / 2 MCP PKCE S256 supportRecommended2 / 2 Agent onboarding frictionRecommended2 / 2 OAuth Protected Resource metadata (RFC 9728)Required2 / 2 JSON error responsesRequired4 / 4 REST typed error modelRecommended3 / 3 CLI tool availableRecommended3 / 3 Accessible document structureRecommended3 / 3 Accessible names on controlsRecommended2 / 2 \+ 32 checks not in the score MCP tool descriptionsRecommendedNot counted MCP parameter schemasRecommendedNot counted MCP server identityRecommendedNot counted MCP tool listingRecommendedNot counted MCP tool namingRecommendedNot counted Web Bot Auth directoryEmergingNot counted auth.md walkthrough simulationRecommendedNot counted MCP error handlingRecommendedNot counted MCP modern transportRecommendedNot counted REST pagination patternRecommendedNot counted Multi-language SDK packagesRecommendedNot counted NLWeb /ask endpointEmergingNot counted NLWeb streaming supportEmergingNot counted REST response schema coverageRecommendedNot counted MCP tool annotationsRecommendedNot counted Product + docs MCP coverageRecommendedNot counted MCP resources exposedRecommendedNot counted GraphQL typed error modelRecommendedNot counted GraphQL versioning / deprecation policyRecommendedNot counted GraphQL pagination patternRecommendedNot counted GraphQL async-job patternRecommendedNot counted GraphQL schema description coverageRecommendedNot counted GraphQL batch mutationsRecommendedNot counted Native interactive controlsRecommendedNot counted Form control labelingRecommendedNot counted Accessibility-tree injection safety (bonus)RecommendedNot counted MCP Apps supportRecommendedNot counted A2UI / generative UI supportEmergingNot counted MCP Apps UI qualityRecommendedNot counted MCP App view reachableRecommendedNot counted MCP App view CSPRecommendedNot counted MCP resource qualityRecommendedNot counted PaymentsNot scored yet6 partly MPP payment protocolRequired0 / 2 x402 payment protocolRequired0 / 2 UCP - Universal Commerce ProtocolRequired0 / 3 ACP - Agentic Commerce ProtocolRequired0 / 3 ACP delegate paymentRecommended0 / 3 AP2 - Agent Payments ProtocolRecommended0 / 3