Export Report
OVERALL SCORE
Level 2, Agent-Limited
- AI Discoverability 32 out of 100
- Agent Ease of Use 45 out of 100
- Security & Trust 69 out of 100
- GEO, AIO and AEO 57 out of 100
- SEO 69 out of 100
- Performance 55 out of 100
- Accessibility 0 out of 100
What AI sees of your website
NUS - National University of Singapore
National University of Singapore is ranked consistently as one of the world's top universities. We offer the most extensive college degree courses in Singapore.
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| Metric | Score | Status | Passed | Failed | Warning | Evidence |
|---|---|---|---|---|---|---|
| AI Discoverability | 32 | Priority fix | 15 | 0 | 0 | |
| Discoverability | 28 | Priority fix | 3 | 0 | 0 | |
| Content Readiness | 33 | Priority fix | 9 | 0 | 0 | |
| Bot Access Control | 35 | Priority fix | 3 | 0 | 0 | |
| Agent Ease of Use | 45 | Priority fix | 31 | 5 | 6 | View details |
| API | 44 | Priority fix | 7 | 0 | 0 | |
| Auth | 41 | Priority fix | 6 | 0 | 0 | |
| MCP | 42 | Priority fix | 4 | 0 | 0 | |
| Skill Discovery | 51 | Needs work | 7 | 3 | 5 | View details |
| Agent Commerce | 45 | Priority fix | 7 | 2 | 1 | View details |
| GEO, AIO and AEO | 57 | Needs work | 6 | 0 | 0 | |
| GEO Readiness | Not Applicable | Not Applicable | 2 | 0 | 0 | |
| AIO Readiness | Not Applicable | Not Applicable | 2 | 0 | 0 | |
| AEO Readiness | Not Applicable | Not Applicable | 2 | 0 | 0 | |
| SEO | 69 | Needs work | 6 | 0 | 0 | |
| SEO | 69 | Needs work | 6 | 0 | 0 | |
| Security & Trust | 69 | Needs work | 15 | 0 | 0 | |
| Security & Trust | 69 | Needs work | 15 | 0 | 0 | |
| Performance | 55 | Needs work | 9 | 0 | 0 | |
| Performance | 55 | Needs work | 9 | 0 | 0 |
Prioritized recommendations
Issues ranked by score impact
3 items need attention
Agent Ease of UseAgent CommerceInformational
ACP - Agentic Commerce Protocol
ACP - Agentic Commerce Protocol failed at "Fetch ACP discovery".
58 Fail
Agent Ease of UseAgent CommerceInformational
ACP - Agentic Commerce Protocol
ACP - Agentic Commerce Protocol failed at "Fetch ACP discovery".
Needs attention
ACP - Agentic Commerce Protocol
Issue
ACP discovery content type "text/html" is not JSON-compatible.
Why it matters
ACP discovery lets agents find the seller's ACP API base URL, supported versions, transports, and stable services before attempting authenticated checkout-session negotiation.
Check name
ACP - Agentic Commerce Protocol
Score
42/100
Status
fail
Category
Agent Commerce
Maturity
Informational
Goal
Expose valid ACP discovery when this origin supports Agentic Commerce Protocol workflows.
Result
ACP - Agentic Commerce Protocol failed at "Fetch ACP discovery".
Validation steps
Fetch ACP discovery
ACP discovery content type "text/html" is not JSON-compatible.
Validate ACP discovery shape
ACP discovery could not be parsed.
Review ACP cache and retry metadata
ACP discovery Cache-Control does not include max-age.
Evidence log3 steps · 14 lines
Fetch ACP discovery [fail]! ACP discovery content type "text/html" is not JSON-compatible.INFOFetch ACP discovery status="fail"INFOFetch canonical ACP discovery /.well-known/acp.json statusCode=200 contentType="text/html" parsed=false error="Unexpected token '<', \"<html>\r\n<h\"... is not valid JSON"FAILCheck canonical ACP discovery response actual=false expected=true canonicalFound=trueFAILACP discovery content type "text/html" is not JSON-compatible.Validate ACP discovery shape [fail]! ACP discovery could not be parsed.INFOValidate ACP discovery shape status="fail"INFOValidate ACP protocol object, name, date version, and supported_versions orderingFAILCheck protocol object and name actual={"hasProtocol":false} expected={"hasProtocol":true,"protocolName":"acp"}FAILCheck protocol version history actual={"supportedVersionCount":0,"supportedVersionsOrdered":false,"supportedVersionsEndWithCurrent":false} expected="date version with chronological supported_versions ending in current version"FAILACP discovery could not be parsed.Review ACP cache and retry metadata [warning]! ACP discovery Cache-Control does not include max-age.INFOReview ACP cache and retry metadata status="warning"INFOInspect ACP discovery cache headers and retry guidance statusCode=200 cacheControl="no-cache, no-store" retryAfter=nullWARNCheck Cache-Control header on successful discovery actual="no-cache, no-store" expected="present for cacheable public discovery"WARNCheck Retry-After on rate-limit or unavailable responses actual="not required" expected="present only for 429 or 503"WARNACP discovery Cache-Control does not include max-age.
Agent Ease of UseSkill DiscoveryEmerging recommendation
A2A Agent Card
A2A Agent Card failed at "Detect A2A card version".
26 Fail
Agent Ease of UseSkill DiscoveryEmerging recommendation
A2A Agent Card
A2A Agent Card failed at "Detect A2A card version".
Needs attention
A2A Agent Card
Issue
The discovered JSON document does not match a supported A2A Agent Card version family.
Why it matters
A2A Agent Cards provide protocol-specific discovery for agent identity, skills, input and output modes, transport bindings, capabilities, and security requirements. Legacy A2A also used /.well-known/agent.json, so scanners must classify the card shape before reporting readiness.
Check name
A2A Agent Card
Score
48/100
Status
fail
Category
Skill Discovery
Maturity
Emerging recommendation
Goal
Publish a version-appropriate A2A Agent Card so A2A-compatible clients can discover agent skills and invoke the declared endpoint safely.
Result
A2A Agent Card failed at "Detect A2A card version".
Validation steps
Detect A2A card version
The discovered JSON document does not match a supported A2A Agent Card version family.
Validate version-specific card shape
A2A Agent Card response is not valid JSON.
Validate HTTP delivery
The card was parseable JSON but was not served with a JSON-compatible content type.
Probe same-origin A2A endpoint
A2A endpoint probing was skipped because the endpoint was cross-origin, unavailable from the card, or uses an unsupported binding.
Evidence log4 steps · 17 lines
Detect A2A card version [fail]! The discovered JSON document does not match a supported A2A Agent Card version family.INFODetect A2A card versionINFORead version indicators from the card detectionEvidence=[]FAILCompare detected A2A version family actual="unknown" expected="v0.1, v0.2, v0.3, or v1"FAILThe discovered JSON document does not match a supported A2A Agent Card version family.Validate version-specific card shape [fail]! A2A Agent Card response is not valid JSON.INFOValidate version-specific card shapeFAILCompare missing required card fields actual="none" expected="none"FAILCheck every declared A2A skill has required name, description, and endpoint fields actual=0 expected=0 invalidSkills=[]INFOReview declared endpoint interfaces interfaces=[]FAILA2A Agent Card response is not valid JSON.Validate HTTP delivery [warning]! The card was parseable JSON but was not served with a JSON-compatible content type.INFOValidate HTTP deliveryWARNCompare card Content-Type with JSON expectation actual="text/html" expected="application/json or +json"INFOReview selected discovery path path="/.well-known/agent-card.json" pathClass="canonical-current"WARNThe card was parseable JSON but was not served with a JSON-compatible content type.Probe same-origin A2A endpoint [warning]! A2A endpoint probing was skipped because the endpoint was cross-origin, unavailable from the card, or uses an unsupported binding.INFOProbe same-origin A2A endpointINFOProbe same-origin A2A endpoint when scanner policy allows itSKIPSkipped endpoint probe reason="No valid A2A card was available to probe."WARNA2A endpoint probing was skipped because the endpoint was cross-origin, unavailable from the card, or uses an unsupported binding.
Agent Ease of UseSkill DiscoveryEmerging recommendation
Agent Skills index
Agent Skills index failed at "Validate discovery index schema".
22 Fail
Agent Ease of UseSkill DiscoveryEmerging recommendation
Agent Skills index
Agent Skills index failed at "Validate discovery index schema".
Needs attention
Agent Skills index
Issue
Agent Skills index was not served with a JSON-compatible Content-Type.
Details
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
55/100
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
Validate discovery index schema
Agent Skills index was not served with a JSON-compatible Content-Type.
Response is not valid JSON.
Verify advertised artifacts
No valid skill artifacts were available to verify.
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.
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 log4 steps · 14 lines
Validate discovery index schema [fail]! Agent Skills index was not served with a JSON-compatible Content-Type.INFOValidate discovery index schemaINFOParse Agent Skills index JSON validJson=false contentTypeCompatible=falseFAILCompare $schema URI 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 was not served with a JSON-compatible Content-Type.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
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Score history
Public scan score over time
Public reports for this website origin. Select any point or report link to open that canonical report.
| Scan date | Score | Readiness | Report |
|---|---|---|---|
| 43/100 | Level 2, Agent-Limited | Current report |