--- title: "Browserbase agent readiness score: 66/100 · Agentrail" description: "The website is strongest in discovery, with developer resources and the brand easy to find, but lacks a published OpenAPI specification and the specified OAuth support." canonical: "https://www.agentrail.co/agent-readiness/browserbase.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%2Fbrowserbase.com&utm%5Fcontent=company-report) Free to start. No card. Usability 24 to fix - MCP server identityRecommendedHow to fix → - MCP tool namingRecommendedHow to fix → - OAuth 2.0 supportRequiredHow to fix → - Scoped permissionsRecommendedHow to fix → Fixes unlock with the full report Where the score comes from 59 of 90 points How browserbase.com scores on each of the four questions agents ask. Discovery18/20 Access21/30 Usability20/40 Paymentsnot scored yet Strongest ### Discovery ARD discovery, AI Catalog discovery, and 1 more are missing. 18/20 Most to gain ### Usability MCP server identity, MCP tool naming, and 19 more are missing. 20/40 Most to gain ### Access Content without JavaScript, Agent discovery file, and 7 more are missing. 21/30 Not scored yet ### Payments ( bonus ) 6 checks partly met. Counts when scoring opens. — Every check 125checks - Passed**31** - To fix**39** - Not in the score**55** 70 checks count toward the score. The other 55 are tracked for later. Discovery18 of 203 to fix5 passed ARD discoveryRequired0 / 1 AI Catalog discoveryRecommended0 / 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 \+ 7 checks not in the score 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 Access21 of 306 to fix3 partly18 passed Agent discovery fileRequired0 / 2 HTTP Link headers (RFC 8288)Required0 / 1 JSON-LD entity linking (sameAs)Recommended0 / 2 Schema type breadthRecommended0 / 2 OpenAPI spec publishedRequired0 / 7 API catalog (RFC 9727)Required0 / 2 Content without JavaScriptRequired1 / 3 JSON-LD structured dataRequired2 / 4 Trust anchor pagesRequired1 / 2 Sitemap existsRequired2 / 2 Not blocked by bot detectionRequired2 / 2 A2A / agent-cardRecommended2 / 2 MCP well-known discoveryRecommended2 / 2 Sitemap freshness (lastmod)Recommended1 / 1 robots.txt agent-user policyRequired2 / 2 llms.txt existsRequired1 / 1 llms.txt formattingRecommended2 / 2 Pricing info accessibleRequired3 / 3 Public API/docs linked from homepageRequired3 / 3 Metadata completenessRequired2 / 2 Organization schema completenessRecommended2 / 2 llms.txt links resolveRecommended2 / 2 Redirect hygieneRecommended1 / 1 Page token budgetRecommended1 / 1 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 Usability20 of 4021 to fix8 passed MCP server identityRecommended0 / 1 MCP tool namingRecommended0 / 2 OAuth 2.0 supportRequired0 / 5 Scoped permissionsRecommended0 / 5 OAuth Protected Resource metadata (RFC 9728)Required0 / 2 auth.md existsRequired0 / 2 auth.md structureRecommended0 / 2 Agent auth discovery metadataRecommended0 / 3 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 tool annotationsRecommended0 / 2 MCP server-card.jsonRecommended0 / 2 REST batch / bulk endpointRecommended0 / 2 Agent-friendly 404sRecommended0 / 2 Accessible document structureRecommended0 / 3 API schema complexity analysisRecommended0 / 2 Function calling compatibilityRecommended0 / 2 Public API with reachable endpointsRequired7 / 7 Agent onboarding frictionRecommended2 / 2 MCP server / manifestRequired6 / 6 MCP error handlingRecommended2 / 2 MCP modern transportRecommended1 / 1 JSON error responsesRequired4 / 4 CLI tool availableRecommended3 / 3 Sandbox / test environmentRecommended2 / 2 \+ 33 checks not in the score MCP tool descriptionsRecommendedNot counted MCP parameter schemasRecommendedNot counted MCP tool listingRecommendedNot counted MCP auth mechanismRecommendedNot counted MCP OAuth metadataRecommendedNot counted MCP PKCE S256 supportRecommendedNot counted Web Bot Auth directoryEmergingNot counted auth.md walkthrough simulationRecommendedNot 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 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 Accessible names on 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