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

Free to start. No card.

Usability

21 to fix

- OAuth 2.0 supportRequiredHow to fix →
- Scoped permissionsRecommendedHow to fix →
- Web Bot Auth directoryEmergingHow to fix →
- OAuth Protected Resource metadata (RFC 9728)RequiredHow to fix →

Fixes unlock with the full report

Where the score comes from

56 of 90 points

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

Discovery19/20

Access20/30

Usability17/40

Paymentsnot scored yet

Strongest

### Discovery

ARD discovery is missing.

19/20

Most to gain

### Usability

OAuth 2.0 support, Scoped permissions, and 16 more are missing.

17/40

Most to gain

### Access

Content without JavaScript, Agent discovery file, and 11 more are missing.

20/30

Not scored yet

### Payments ( bonus )

5 checks partly met. Counts when scoring opens.

—

Every check

125checks

- Passed**25**
- To fix**37**
- Not in the score**63**

62 checks count toward the score. The other 63 are tracked for later.

Discovery19 of 201 to fix5 passed

ARD discoveryRequired0 / 1

Developer resource discoverabilityRecommended3 / 3

Brand name discoverabilityRequired3 / 3

Wikipedia / Wikidata entity presenceRecommended4 / 4

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

Access20 of 309 to fix4 partly14 passed

Agent discovery fileRequired0 / 2

A2A / agent-cardRecommended0 / 2

HTTP Link headers (RFC 8288)Required0 / 1

llms.txt formattingRecommended0 / 2

Schema type breadthRecommended0 / 2

Trust anchor pagesRequired0 / 2

OpenAPI spec publishedRequired0 / 7

API catalog (RFC 9727)Required0 / 2

Markdown content negotiation (acceptmarkdown.com)Recommended0 / 1

Content without JavaScriptRequired2 / 3

Pricing info accessibleRequired2 / 3

Organization schema completenessRecommended1 / 2

Page token budgetRecommended0 / 1

Sitemap existsRequired2 / 2

Not blocked by bot detectionRequired2 / 2

MCP well-known discoveryRecommended2 / 2

Sitemap freshness (lastmod)Recommended1 / 1

robots.txt agent-user policyRequired2 / 2

llms.txt existsRequired1 / 1

JSON-LD structured dataRequired4 / 4

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

Developer portalRecommended6 / 6

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

Usability17 of 4017 to fix1 partly6 passed

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

MCP server / manifestRequired0 / 6

Rate limit response headersRecommended0 / 2

Idempotency-Key supportRecommended0 / 3

REST typed error modelRecommended0 / 3

REST async-job patternRecommended0 / 2

Sandbox / test environmentRecommended0 / 2

REST batch / bulk endpointRecommended0 / 2

API schema complexity analysisRecommended0 / 2

Function calling compatibilityRecommended0 / 2

Agent-friendly 404sRecommended1 / 2

Public API with reachable endpointsRequired7 / 7

Agent onboarding frictionRecommended2 / 2

JSON error responsesRequired4 / 4

CLI tool availableRecommended3 / 3

Accessible document structureRecommended3 / 3

Accessible names on controlsRecommended2 / 2

\+ 38 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

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

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 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
