---
title: "Coder agent readiness score: 91/100 · Agentrail"
description: "The strongest area is usability for agents using the product, with a CLI tool and accessible document structure, while the developer portal and ARD discovery checks were missed."
canonical: "https://www.agentrail.co/agent-readiness/coder.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%2Fcoder.com&utm%5Fcontent=company-report)

Free to start. No card.

Access

12 to fix

- Content without JavaScriptRequiredHow to fix →
- A2A / agent-cardRecommendedHow to fix →
- NLWeb Schema FeedsEmergingHow to fix →
- MCP well-known discoveryRecommendedHow to fix →

Fixes unlock with the full report

Where the score comes from

82 of 90 points

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

Discovery18/20

Access24/30

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

### Access

Content without JavaScript, A2A / agent-card, and 5 more are missing.

24/30

Most to gain

### Discovery

ARD discovery and Wikipedia / Wikidata entity presence are missing.

18/20

Not scored yet

### Payments ( bonus )

6 checks partly met. Counts when scoring opens.

—

Agent path

## How an agent moved through the site

We asked an agent a question about coder.comand recorded every request it made.

**C**coder.comAnsweredRan Nov 4, 2026

Question

I want to start using Coder (coder.com). Find its setup and getting-started guide.

3

Steps

25s

Duration

2

Pages opened

0

Failed

Every link it followed loaded.

1. 1“Coder coder.com setup getting started guide”Searched the web _→_ **Results**
2. 2/docs/get-startedA search result _→_ **Read**
3. 3/docs/installA link on a page it read _→_ **Read**

3/3 steps

StepsHow it found itCame back as

Step 3 of 3

`coder.com/docs/install`

How it got here

A link on a page it read

Response

200

Came back as

Web page

100%

Pages that loaded

50%

Followed site links

0%

Read as markdown

How it found each page

Named in the question**0**

A link on a page it read**1**

Typed by the agent**0**

A search result**1**

What it reached

Home page**Never reached**

Pricing**Never reached**

Docs**Step 2**

Its answer

Answers aren’t shown publicly

See what agents answer about your own site.

Run agents on your site and read every answer, with every page they opened.

[Get started →](https://app.agentrail.co/login?utm%5Fsource=agentrail.co&utm%5Fmedium=website&utm%5Fcampaign=agent-readiness%2Fcoder.com&utm%5Fcontent=journey-answer)

Free to start. No card.

Every check

125checks

- Passed**27**
- To fix**22**
- Not in the score**76**

49 checks count toward the score. The other 76 are tracked for later.

Discovery18 of 201 to fix1 partly4 passed

ARD discoveryRequired0 / 1

Wikipedia / Wikidata entity presenceRecommended2 / 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

Access24 of 304 to fix3 partly19 passed

A2A / agent-cardRecommended0 / 2

MCP well-known discoveryRecommended0 / 2

Schema type breadthRecommended0 / 2

Developer portalRecommended0 / 6

Content without JavaScriptRequired2 / 3

Trust anchor pagesRequired1 / 2

API catalog (RFC 9727)Required1 / 2

Sitemap existsRequired2 / 2

Not blocked by bot detectionRequired2 / 2

Agent discovery fileRequired2 / 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

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 fix4 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

CLI tool availableRecommended3 / 3

Agent-friendly 404sRecommended2 / 2

Accessible document structureRecommended3 / 3

Accessible names on controlsRecommended2 / 2

\+ 51 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

WebMCP supportRequiredNot 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
