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UCP Suite

Validate Universal Commerce Protocol discovery, then test product search, carts, checkout links, and merchant handoff flows.

MCP Playground

Connect to remote MCP servers, inspect tools and resources, test prompts, auth, headers, notifications, and JSON-RPC responses.

A2A Playground

Inspect Agent Cards, validate advertised endpoints, and prepare safe requests for agent-to-agent workflows.

Agent Website Viewer

Enter a public URL and see the roles, names, landmarks, controls, and blockers that shape how AI agents understand the page.

SCANNED
Jul 31, 2026, 11:49 AM
VISIBILITY
Public
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48/100

OVERALL SCORE

Level 2, Agent-Limited

Priority improvements needed for AI agents
AIDiscoverability53%Agent Easeof Use61%Security& Trust54%GEO, AIO, AEO54%SEO77%Performance56%Accessibility0%
  • AI Discoverability 53 out of 100
  • Agent Ease of Use 61 out of 100
  • Security & Trust 54 out of 100
  • GEO, AIO and AEO 54 out of 100
  • SEO 77 out of 100
  • Performance 56 out of 100
  • Accessibility 0 out of 100

CAPTURED SCREENSHOT

Captured website desktop screenshot

What AI sees of your website

SPDX – Linux Foundation Projects Site favicon

SPDX – Linux Foundation Projects Site

No page metadata or readable excerpt was captured.

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Fix with MCP / CLI
Detailed report scores grouped by capability area
MetricScoreStatusPassedFailedWarningEvidence
AI Discoverability
53
Needs work2310View details
Discoverability
67
Needs work800
Content Readiness
48
Priority fix1400
Bot Access Control
45
Priority fix110View details
Agent Ease of Use
61
Needs work933View details
API
90
Strong600
Skill Discovery
48
Priority fix123View details
Google Agentic Browsing
67
Needs work210View details
GEO, AIO and AEO
54
Needs work600
GEO Readiness
Not Applicable
Not Applicable100
AIO Readiness
Not Applicable
Not Applicable300
AEO Readiness
Not Applicable
Not Applicable200
SEO
77
Mostly ready700
SEO
77
Mostly ready700
Security & Trust
54
Needs work1000
Security & Trust
54
Needs work1000
Performance
56
Needs work700
Performance
56
Needs work700

Prioritized recommendations

Issues ranked by score impact

3 items need attention

AI DiscoverabilityBot Access ControlEstablished

AI bot rules in robots.txt

AI bot rules in robots.txt failed at "Classify AI crawler rules".

69 Fail

Needs attention

AI bot rules in robots.txt

Failed check
01

Issue

No explicit User-agent rules were found for major AI crawler tokens.

Details

02

Why it matters

AI crawler product tokens have different meanings. Explicit robots.txt groups make training, search, and retrieval access policy auditable for compliant crawler operators.

Check name

AI bot rules in robots.txt

Score

31/100

Status

fail

Category

Bot Access Control

Maturity

Established

Goal

Declare deliberate robots.txt rules for major AI training, AI search, user-triggered, and dataset crawlers.

Result

AI bot rules in robots.txt failed at "Classify AI crawler rules".

Validation steps

  1. Classify AI crawler rules

    No explicit User-agent rules were found for major AI crawler tokens.

    robots.txt lacks explicit AI crawler rules
Evidence log1 step · 6 lines
Classify AI crawler rules [fail]! No explicit User-agent rules were found for major AI crawler tokens.INFOClassify AI crawler rulesINFOParsing User-agent groups and Allow/Disallow records for known AI crawler tokens evaluatedPath="/"INFOEvaluating exact User-agent matches before wildcard fallback exactAiPolicyCount=0 totalCrawlerTokens=18FAILNo explicit AI crawler User-agent groups were found examplesExpected=["GPTBot","OAI-SearchBot","ClaudeBot","Google-Extended","CCBot"]FAILCompare explicit AI crawler coverage actual=0 expected="> 0 explicit non-search AI crawler policies" missingTokens=["GPTBot","OAI-SearchBot","ChatGPT-User","ClaudeBot","Claude-SearchBot","Claude-User","Google-Extended","Applebot-Extended","Amazonbot","Amzn-SearchBot","Amzn-User","PerplexityBot"]INFOResolved effective root-path policy for crawler tokens blocked=0 allowed=21 unspecified=0

Agent Ease of UseSkill DiscoveryEmerging recommendation

Agent Skills index

Agent Skills index failed at "Validate discovery index schema".

60 Fail

Needs attention

Agent Skills index

Failed check
01

Issue

Agent Skills index must use $schema https://schemas.agentskills.io/discovery/0.2.0/schema.json.

Details

02

Why it matters

An Agent Skills index lets agents discover task-specific instructions through a small trusted index, then verify and load only the skill artifacts they need.

Check name

Agent Skills index

Score

40/100

Status

fail

Category

Skill Discovery

Maturity

Emerging recommendation

Goal

Publish an Agent Skills discovery index that advertises digest-pinned SKILL.md or archive artifacts.

Result

Agent Skills index failed at "Validate discovery index schema".

Validation steps

  1. Validate discovery index schema

    Agent Skills index must use $schema https://schemas.agentskills.io/discovery/0.2.0/schema.json.

    Agent Skills discovery index schema is invalid
    Top-level issues
    • $schema must be https://schemas.agentskills.io/discovery/0.2.0/schema.json
    Invalid skills
    [
      {
        "index": 0,
        "valid": false,
        "name": "llms-txt",
        "type": "content-index",
        "description": "Curated Markdown index of site content for AI agents",
        "url": "https://spdx.dev/llms.txt",
        "digest": "",
        "resolvedUrl": "https://spdx.dev/llms.txt",
        "originClass": "same-origin",
        "missing": [
          "digest"
        ],
        "invalid": [
          "type must be skill-md or archive"
        ],
        "warnings": []
      },
      {
        "index": 1,
        "valid": false,
        "name": "content-signals",
        "type": "usage-preferences",
        "description": "Declares AI training, search, and input usage preferences via robots.txt",
        "url": "https://spdx.dev/robots.txt",
        "digest": "",
        "resolvedUrl": "https://spdx.dev/robots.txt",
        "originClass": "same-origin",
        "missing": [
          "digest"
        ],
        "invalid": [
          "type must be skill-md or archive"
        ],
        "warnings": [
          "description should explain when to use the skill"
        ]
      },
      {
        "index": 2,
        "valid": false,
        "name": "markdown-negotiation",
        "type": "content-negotiation",
        "description": "Serves Markdown for singular content via Accept: text/markdown content negotiation",
        "url": "https://spdx.dev",
        "digest": "",
        "resolvedUrl": "https://spdx.dev/",
        "originClass": "same-origin",
        "missing": [
          "digest"
        ],
        "invalid": [
          "type must be skill-md or archive"
        ],
        "warnings": []
      },
      {
        "index": 3,
        "valid": false,
        "name": "api-catalog",
        "type": "api-discovery",
        "description": "RFC 9727 API catalog for this site's REST API",
        "url": "https://spdx.dev/.well-known/api-catalog",
        "digest": "",
        "resolvedUrl": "https://spdx.dev/.well-known/api-catalog",
        "originClass": "same-origin",
        "missing": [
          "digest"
        ],
        "invalid": [
          "type must be skill-md or archive"
        ],
        "warnings": []
      }
    ]
  2. Validate skill entries

    One or more Agent Skills entries have invalid required fields.

    One or more skill entries are invalid
    Skill entry findings
    [
      {
        "index": 0,
        "valid": false,
        "name": "llms-txt",
        "type": "content-index",
        "description": "Curated Markdown index of site content for AI agents",
        "url": "https://spdx.dev/llms.txt",
        "digest": "",
        "resolvedUrl": "https://spdx.dev/llms.txt",
        "originClass": "same-origin",
        "missing": [
          "digest"
        ],
        "invalid": [
          "type must be skill-md or archive"
        ],
        "warnings": []
      },
      {
        "index": 1,
        "valid": false,
        "name": "content-signals",
        "type": "usage-preferences",
        "description": "Declares AI training, search, and input usage preferences via robots.txt",
        "url": "https://spdx.dev/robots.txt",
        "digest": "",
        "resolvedUrl": "https://spdx.dev/robots.txt",
        "originClass": "same-origin",
        "missing": [
          "digest"
        ],
        "invalid": [
          "type must be skill-md or archive"
        ],
        "warnings": [
          "description should explain when to use the skill"
        ]
      },
      {
        "index": 2,
        "valid": false,
        "name": "markdown-negotiation",
        "type": "content-negotiation",
        "description": "Serves Markdown for singular content via Accept: text/markdown content negotiation",
        "url": "https://spdx.dev",
        "digest": "",
        "resolvedUrl": "https://spdx.dev/",
        "originClass": "same-origin",
        "missing": [
          "digest"
        ],
        "invalid": [
          "type must be skill-md or archive"
        ],
        "warnings": []
      },
      {
        "index": 3,
        "valid": false,
        "name": "api-catalog",
        "type": "api-discovery",
        "description": "RFC 9727 API catalog for this site's REST API",
        "url": "https://spdx.dev/.well-known/api-catalog",
        "digest": "",
        "resolvedUrl": "https://spdx.dev/.well-known/api-catalog",
        "originClass": "same-origin",
        "missing": [
          "digest"
        ],
        "invalid": [
          "type must be skill-md or archive"
        ],
        "warnings": []
      }
    ]
  3. Verify advertised artifacts

    No valid skill artifacts were available to verify.

  4. Validate skill content

    For skill-md artifacts, include valid YAML frontmatter with name and description followed by Markdown. For archives, include a safe root SKILL.md and no unsafe paths.

  5. Review skill artifact security

    Do not publish secrets or prompt-injection instructions in skill artifacts. Treat scripts, archives, and cross-origin artifacts as software supply-chain surfaces.

Evidence log5 steps · 22 lines
Validate discovery index schema [fail]! Agent Skills index must use $schema https://schemas.agentskills.io/discovery/0.2.0/schema.json.INFOValidate discovery index schemaINFOParse Agent Skills index JSON validJson=true contentTypeCompatible=trueFAILCompare $schema URI actual="https://github.com/cloudflare/agent-skills-discovery-rfc" expected="https://schemas.agentskills.io/discovery/0.2.0/schema.json"FAILCompare top-level schema issue count actual=1 expected=0FAILCompare unknown top-level field count actual=0 expected=0FAILAgent Skills index must use $schema https://schemas.agentskills.io/discovery/0.2.0/schema.json.Validate skill entries [fail]! One or more Agent Skills entries have invalid required fields.INFOValidate skill entriesFAILCompare advertised skill count actual=4 expected="> 0"FAILCompare valid skill entry count actual=0 expected="same as advertised skill count"FAILInvalid skill entry skill={"index":0,"valid":false,"name":"llms-txt","type":"content-index","description":"Curated Markdown index of site content for AI agents","url":"https://spdx.dev/llms.txt","digest":"","resolvedUrl":"https://spdx.dev/llms.txt","originClass":"same-origin","missing":["digest"],"invalid":["type must be skill-md or archive"],"warnings":[]}FAILInvalid skill entry skill={"index":1,"valid":false,"name":"content-signals","type":"usage-preferences","description":"Declares AI training, search, and input usage preferences via robots.txt","url":"https://spdx.dev/robots.txt","digest":"","resolvedUrl":"https://spdx.dev/robots.txt","originClass":"same-origin","missing":["digest"],"invalid":["type must be skill-md or archive"],"warnings":["description should explain when to use the skill"]}FAILInvalid skill entry skill={"index":2,"valid":false,"name":"markdown-negotiation","type":"content-negotiation","description":"Serves Markdown for singular content via Accept: text/markdown content negotiation","url":"https://spdx.dev","digest":"","resolvedUrl":"https://spdx.dev/","originClass":"same-origin","missing":["digest"],"invalid":["type must be skill-md or archive"],"warnings":[]}FAILInvalid skill entry skill={"index":3,"valid":false,"name":"api-catalog","type":"api-discovery","description":"RFC 9727 API catalog for this site's REST API","url":"https://spdx.dev/.well-known/api-catalog","digest":"","resolvedUrl":"https://spdx.dev/.well-known/api-catalog","originClass":"same-origin","missing":["digest"],"invalid":["type must be skill-md or archive"],"warnings":[]}FAILOne or more Agent Skills entries have invalid required fields.Verify advertised artifacts [warning]! No valid skill artifacts were available to verify.INFOVerify advertised artifactsWARNCompare artifact fetch count actual=0 expected="> 0"WARNNo valid skill artifacts were available to verify.Validate skill content [warning]INFOValidate skill contentWARNAgent Skills step completed with warningsReview skill artifact security [warning]INFOReview skill artifact securityWARNCompare security finding count actual=0 expected=0WARNAgent Skills step completed with warnings

Agent Ease of UseGoogle Agentic BrowsingBrowser audit

Accessibility tree is not well-formed

100 Fail

Check name

Accessibility tree is not well-formed

Score

0/100

Status

fail

Device

desktop

Category

Google Agentic Browsing

Fix guidance

A well-formed [accessibility tree](https://developer.chrome.com/docs/lighthouse/agentic-browsing/accessibility-for-agents) helps AI agents to navigate and interact with the page.

Evidence
{
  "description": "A well-formed [accessibility tree](https://developer.chrome.com/docs/lighthouse/agentic-browsing/accessibility-for-agents) helps AI agents to navigate and interact with the page."
}

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