--- title: "Smol Machines agent readiness score: 76/100 · Agentrail" description: "How well AI agents can find, read, use and pay Smol Machines — agent readiness score from Agentrail (agentrail.co)." canonical: "https://www.agentrail.co/agent-readiness/smolmachines.com" --- 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%2Fsmolmachines.com&utm%5Fcontent=company-report) Free to start. No card. Usability 21 to fix - OAuth 2.0 supportRequiredHow to fix → - Scoped permissionsRecommendedHow to fix → - Agent onboarding frictionRecommendedHow to fix → - Web Bot Auth directoryEmergingHow to fix → Fixes unlock with the full report Where the score comes from 68 of 90 points How smolmachines.com scores on each of the four questions agents ask. Discovery18/20 Access27/30 Usability23/40 Paymentsnot scored yet Strongest ### Discovery ARD discovery and Wikipedia / Wikidata entity presence are missing. 18/20 Most to gain ### Usability OAuth 2.0 support, Scoped permissions, and 16 more are missing. 23/40 Most to gain ### Access Agent discovery file, A2A / agent-card, and 6 more are missing. 27/30 Not scored yet ### Payments ( bonus ) 6 checks partly met. Counts when scoring opens. — Every check 125checks - Passed**32** - To fix**34** - 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 Access27 of 305 to fix3 partly19 passed Agent discovery fileRequired0 / 2 A2A / agent-cardRecommended0 / 2 MCP well-known discoveryRecommended0 / 2 HTTP Link headers (RFC 8288)Required0 / 1 Schema type breadthRecommended0 / 2 Organization schema completenessRecommended1 / 2 Trust anchor pagesRequired1 / 2 API catalog (RFC 9727)Required1 / 2 Sitemap existsRequired2 / 2 Content without JavaScriptRequired3 / 3 Not blocked by bot detectionRequired2 / 2 Sitemap freshness (lastmod)Recommended1 / 1 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 llms.txt links resolveRecommended2 / 2 Redirect hygieneRecommended1 / 1 Page token budgetRecommended1 / 1 OpenAPI spec publishedRequired7 / 7 Developer portalRecommended6 / 6 Markdown content negotiation (acceptmarkdown.com)Recommended1 / 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 Usability23 of 4013 to fix5 partly9 passed OAuth 2.0 supportRequired0 / 5 OAuth Protected Resource metadata (RFC 9728)Required0 / 2 auth.md existsRequired0 / 2 auth.md structureRecommended0 / 2 auth.md walkthrough simulationRecommended0 / 2 Agent auth discovery metadataRecommended0 / 3 Agent auth WWW-Authenticate hintRecommended0 / 1 agent\_auth endpoints reachableRecommended0 / 2 MCP server / manifestRequired0 / 6 WebMCP supportRequired0 / 5 Rate limit response headersRecommended0 / 2 Sandbox / test environmentRecommended0 / 2 Accessible document structureRecommended0 / 3 Scoped permissionsRecommended2 / 5 Agent onboarding frictionRecommended1 / 2 REST versioning / deprecation policyRecommended2 / 3 REST async-job patternRecommended1 / 2 CLI tool availableRecommended2 / 3 Public API with reachable endpointsRequired7 / 7 Idempotency-Key supportRecommended3 / 3 JSON error responsesRequired4 / 4 REST typed error modelRecommended3 / 3 REST batch / bulk endpointRecommended2 / 2 Agent-friendly 404sRecommended2 / 2 Accessible names on controlsRecommended2 / 2 API schema complexity analysisRecommended2 / 2 Function calling compatibilityRecommended2 / 2 \+ 35 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 MCP auth mechanismRecommendedNot counted MCP OAuth metadataRecommendedNot counted MCP PKCE S256 supportRecommendedNot counted Web Bot Auth directoryEmergingNot 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 MCP server-card.jsonRecommendedNot 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