---
title: "Astronomer agent readiness score: 87/100 · Agentrail"
description: "How well AI agents can find, read, use and pay Astronomer — agent readiness score from Agentrail (agentrail.co)."
canonical: "https://www.agentrail.co/agent-readiness/astronomer.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%2Fastronomer.io&utm%5Fcontent=company-report)

Free to start. No card.

Access

11 to fix

- Content without JavaScriptRequiredHow to fix →
- A2A / agent-cardRecommendedHow to fix →
- NLWeb Schema FeedsEmergingHow to fix →
- Agent mode viewEmergingHow to fix →

Fixes unlock with the full report

Where the score comes from

78 of 90 points

How astronomer.io scores on each of the four questions agents ask.

Discovery13/20

Access25/30

Usability40/40

Paymentsnot scored yet

Strongest

### Usability

Every point is in. OAuth Protected Resource metadata (RFC 9728), auth.md exists, and 5 more still fail.

40/40

Most to gain

### Discovery

ARD discovery, Brand name discoverability, and 1 more are missing.

13/20

Most to gain

### Access

Content without JavaScript, A2A / agent-card, and 3 more are missing.

25/30

Not scored yet

### Payments ( bonus )

6 checks partly met. Counts when scoring opens.

—

Every check

125checks

- Passed**29**
- To fix**21**
- Not in the score**75**

50 checks count toward the score. The other 75 are tracked for later.

Discovery13 of 202 to fix1 partly3 passed

ARD discoveryRequired0 / 1

Brand name discoverabilityRequired0 / 3

Wikipedia / Wikidata entity presenceRecommended2 / 4

Developer resource discoverabilityRecommended3 / 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

Access25 of 303 to fix2 partly21 passed

A2A / agent-cardRecommended0 / 2

Schema type breadthRecommended0 / 2

Developer portalRecommended0 / 6

Content without JavaScriptRequired2 / 3

API catalog (RFC 9727)Required1 / 2

Sitemap existsRequired2 / 2

Not blocked by bot detectionRequired2 / 2

Agent discovery fileRequired2 / 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

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

Organization schema completenessRecommended2 / 2

Trust anchor pagesRequired2 / 2

llms.txt links resolveRecommended2 / 2

Redirect hygieneRecommended1 / 1

Page token budgetRecommended1 / 1

Markdown content negotiation (acceptmarkdown.com)Recommended1 / 1

Agent crawler reachabilityRecommended2 / 2

\+ 16 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

OpenAPI spec publishedRequiredNot counted

Markdown agent docsEmergingNot counted

Bot-UA markdown servingEmergingNot counted

Usability40 of 407 to fix5 passed

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

Sandbox / test environmentRecommended0 / 2

WebMCP supportRequired5 / 5

CLI tool availableRecommended3 / 3

Agent-friendly 404sRecommended2 / 2

Accessible document structureRecommended3 / 3

Accessible names on controlsRecommended2 / 2

\+ 50 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

Public API with reachable endpointsRequiredNot counted

OAuth 2.0 supportRequiredNot counted

Scoped permissionsRecommendedNot counted

MCP auth mechanismRecommendedNot counted

MCP OAuth metadataRecommendedNot counted

MCP PKCE S256 supportRecommendedNot counted

Agent onboarding frictionRecommendedNot counted

Web Bot Auth directoryEmergingNot counted

auth.md walkthrough simulationRecommendedNot counted

MCP server / manifestRequiredNot counted

MCP error handlingRecommendedNot counted

MCP modern transportRecommendedNot counted

Rate limit response headersRecommendedNot counted

Idempotency-Key supportRecommendedNot counted

JSON error responsesRequiredNot counted

REST typed error modelRecommendedNot counted

REST versioning / deprecation policyRecommendedNot counted

REST pagination patternRecommendedNot counted

REST async-job 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

REST batch / bulk endpointRecommendedNot 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

API schema complexity analysisRecommendedNot counted

Function calling compatibilityRecommendedNot 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
