---
title: "Nylas agent readiness score: 61/100 · Agentrail"
description: "How well AI agents can find, read, use and pay Nylas — agent readiness score from Agentrail (agentrail.co)."
canonical: "https://www.agentrail.co/agent-readiness/nylas.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%2Fnylas.com&utm%5Fcontent=company-report)

Free to start. No card.

Access

15 to fix

- Content without JavaScriptRequiredHow to fix →
- NLWeb Schema FeedsEmergingHow to fix →
- MCP well-known discoveryRecommendedHow to fix →
- Agent mode viewEmergingHow to fix →

Fixes unlock with the full report

Where the score comes from

55 of 90 points

How nylas.com scores on each of the four questions agents ask.

Discovery20/20

Access22/30

Usability13/40

Paymentsnot scored yet

Strongest

### Discovery

Every discovery check passed.

20/20

Most to gain

### Usability

Scoped permissions, Agent onboarding friction, and 4 more are missing.

13/40

Most to gain

### Access

Content without JavaScript, MCP well-known discovery, and 8 more are missing.

22/30

Not scored yet

### Payments ( bonus )

6 checks partly met. Counts when scoring opens.

—

Every check

125checks

- Passed**18**
- To fix**22**
- Not in the score**85**

40 checks count toward the score. The other 85 are tracked for later.

Discovery20 of 205 passed

Developer resource discoverabilityRecommended3 / 3

Brand name discoverabilityRequired3 / 3

Wikipedia / Wikidata entity presenceRecommended4 / 4

robots.txt AI crawler policyRequired2 / 2

NPM/PyPI SDK packageRecommended1 / 1

\+ 10 checks not in the score

ARD discoveryRequiredNot counted

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

Access22 of 306 to fix4 partly10 passed

MCP well-known discoveryRecommended0 / 2

HTTP Link headers (RFC 8288)Required0 / 1

JSON-LD entity linking (sameAs)Recommended0 / 2

Schema type breadthRecommended0 / 2

Trust anchor pagesRequired0 / 2

Markdown content negotiation (acceptmarkdown.com)Recommended0 / 1

Content without JavaScriptRequired2 / 3

JSON-LD structured dataRequired2 / 4

Organization schema completenessRecommended1 / 2

Redirect hygieneRecommended0 / 1

Sitemap existsRequired2 / 2

Not blocked by bot detectionRequired2 / 2

Sitemap freshness (lastmod)Recommended1 / 1

robots.txt agent-user policyRequired2 / 2

Pricing info accessibleRequired3 / 3

Public API/docs linked from homepageRequired3 / 3

Metadata completenessRequired2 / 2

Page token budgetRecommended1 / 1

Developer portalRecommended6 / 6

Agent crawler reachabilityRecommended2 / 2

\+ 22 checks not in the score

Agent discovery fileRequiredNot counted

Agent Skills index conformance (v0.2.0)EmergingNot counted

A2A / agent-cardRecommendedNot 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

llms.txt existsRequiredNot counted

llms.txt formattingRecommendedNot counted

Agent instruction / when-to-useRequiredNot counted

Skills.sh skill qualityEmergingNot counted

llms.txt links resolveRecommendedNot counted

Markdown alternate linkEmergingNot counted

Markdown frontmatter metadataEmergingNot counted

Code fence validityEmergingNot counted

Content behind authRecommendedNot counted

OpenAPI spec publishedRequiredNot counted

API catalog (RFC 9727)RequiredNot counted

Markdown agent docsEmergingNot counted

Bot-UA markdown servingEmergingNot counted

Usability13 of 405 to fix1 partly3 passed

Scoped permissionsRecommended0 / 5

Agent auth WWW-Authenticate hintRecommended0 / 1

MCP server / manifestRequired0 / 6

Rate limit response headersRecommended0 / 2

JSON error responsesRequired0 / 4

Agent onboarding frictionRecommended1 / 2

CLI tool availableRecommended3 / 3

Accessible document structureRecommended3 / 3

Accessible names on controlsRecommended2 / 2

\+ 53 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

MCP auth mechanismRecommendedNot counted

MCP OAuth metadataRecommendedNot counted

MCP PKCE S256 supportRecommendedNot counted

Web Bot Auth directoryEmergingNot counted

OAuth Protected Resource metadata (RFC 9728)RequiredNot counted

auth.md existsRequiredNot counted

auth.md structureRecommendedNot counted

auth.md walkthrough simulationRecommendedNot counted

Agent auth discovery metadataRecommendedNot counted

agent\_auth endpoints reachableRecommendedNot counted

MCP error handlingRecommendedNot counted

MCP modern transportRecommendedNot counted

WebMCP supportRequiredNot counted

Idempotency-Key supportRecommendedNot 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

Sandbox / test environmentRecommendedNot 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

Agent-friendly 404sRecommendedNot 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
