--- title: "Apollo agent readiness score: 72/100 · Agentrail" description: "How well AI agents can find, read, use and pay Apollo — agent readiness score from Agentrail (agentrail.co)." canonical: "https://www.agentrail.co/agent-readiness/apollo.io" --- 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%2Fapollo.io&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 64 of 90 points How apollo.io scores on each of the four questions agents ask. Discovery18/20 Access18/30 Usability28/40 Paymentsnot scored yet Strongest ### Discovery ARD discovery and Wikipedia / Wikidata entity presence are missing. 18/20 Most to gain ### Access Content without JavaScript, Agent discovery file, and 10 more are missing. 18/30 Most to gain ### Usability Agent onboarding friction, auth.md exists, and 16 more are missing. 28/40 Not scored yet ### Payments ( bonus ) 5 checks partly met. Counts when scoring opens. — Every check 125checks - Passed**29** - To fix**37** - Not in the score**59** 66 checks count toward the score. The other 59 are tracked for later. Discovery18 of 202 to fix4 passed ARD discoveryRequired0 / 1 Wikipedia / Wikidata entity presenceRecommended0 / 4 Developer resource discoverabilityRecommended3 / 3 Brand name discoverabilityRequired3 / 3 robots.txt AI crawler policyRequired2 / 2 NPM/PyPI SDK packageRecommended1 / 1 \+ 9 checks not in the score AI Catalog discoveryRecommendedNot counted ARD entry validityRecommendedNot counted ARD trust manifestRecommendedNot counted Category share of voiceRecommendedNot counted Listed in MCP registriesRecommendedNot counted Agent platform configsEmergingNot counted Agent Plugins manifestEmergingNot counted Registry brandingEmergingNot counted ChatGPT app listedRecommendedNot counted Access18 of 307 to fix5 partly15 passed Agent discovery fileRequired0 / 2 A2A / agent-cardRecommended0 / 2 Schema type breadthRecommended0 / 2 OpenAPI spec publishedRequired0 / 7 Developer portalRecommended0 / 6 API catalog (RFC 9727)Required0 / 2 Markdown content negotiation (acceptmarkdown.com)Recommended0 / 1 Content without JavaScriptRequired2 / 3 llms.txt formattingRecommended1 / 2 Metadata completenessRequired1 / 2 Organization schema completenessRecommended1 / 2 llms.txt links resolveRecommended1 / 2 Sitemap existsRequired2 / 2 Not blocked by bot detectionRequired2 / 2 MCP well-known discoveryRecommended2 / 2 HTTP Link headers (RFC 8288)Required1 / 1 Sitemap freshness (lastmod)Recommended1 / 1 robots.txt agent-user policyRequired2 / 2 llms.txt existsRequired1 / 1 JSON-LD structured dataRequired4 / 4 Pricing info accessibleRequired3 / 3 Public API/docs linked from homepageRequired3 / 3 JSON-LD entity linking (sameAs)Recommended2 / 2 Trust anchor pagesRequired2 / 2 Redirect hygieneRecommended1 / 1 Page token budgetRecommended1 / 1 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 Usability28 of 4014 to fix4 partly10 passed auth.md existsRequired0 / 2 auth.md structureRecommended0 / 2 Agent auth WWW-Authenticate hintRecommended0 / 1 agent\_auth endpoints reachableRecommended0 / 2 Rate limit response headersRecommended0 / 2 Idempotency-Key supportRecommended0 / 3 REST typed error modelRecommended0 / 3 REST async-job patternRecommended0 / 2 MCP server-card.jsonRecommended0 / 2 Sandbox / test environmentRecommended0 / 2 REST batch / bulk endpointRecommended0 / 2 Accessible document structureRecommended0 / 3 API schema complexity analysisRecommended0 / 2 Function calling compatibilityRecommended0 / 2 Agent onboarding frictionRecommended1 / 2 Agent auth discovery metadataRecommended1 / 3 MCP server / manifestRequired5 / 6 Agent-friendly 404sRecommended1 / 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 OAuth Protected Resource metadata (RFC 9728)Required2 / 2 JSON error responsesRequired4 / 4 CLI tool availableRecommended3 / 3 Accessible names on controlsRecommended2 / 2 \+ 34 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 WebMCP supportRequiredNot counted REST versioning / deprecation policyRecommendedNot 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 yet5 partly MPP payment protocolRequired0 / 2 x402 payment protocolRequired0 / 2 UCP - Universal Commerce ProtocolRequired0 / 3 ACP - Agentic Commerce ProtocolRequired0 / 3 AP2 - Agent Payments ProtocolRecommended0 / 3 \+ 1 check not in the score ACP delegate paymentRecommendedNot counted