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Selun SCE Case Relevance Evaluator
x402
Selun SCE Case Relevance Evaluator is a paid API for AI agents from selun.sagitta.systems, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).
Evaluates whether historical security case data and threat families are relevant to a proposed DeFi/crypto action, returning a relevance score and matched doctrine tags for execution preflight.
Price / call$0.05
Success—
StatusUnknown
How this service works
Classifies whether a protocol or threat family is active in the SCE corpus. Returns `relevance_level` (NONE | LOW | MEDIUM | HIGH), `relevance_score`, `matched_threat_families`, and `matched_doctrine_tags`. Only call when you already have specific threat context to evaluate — not a default preflight. Pass `threat_families`, `doctrine_tags`, or `protocol_name` to get a meaningful result.
Output
Returns a JSON object containing a relevance level (e.g. HIGH), a numeric relevance score (0-100), a confidence object with label and score, matched doctrine tags, matched threat families, reason codes explaining the match, a validity timestamp, and a unique SCE evaluation ID — all structured under a selunWrapper response envelope.
Example use cases
Example prompt
“Before I execute a rotation on Aave (protocol: aave) on Ethereum mainnet (chain_id: 1), check Sagitta SCE case relevance — my doctrine tags are emergency_rotation_policy and user_warning_policy, threat families are DeFi Protocol Incident and Admin Key / Access Control, and the requested action is asset_rotation. How relevant are the known security cases and how confident is the match?”
Technical details
Endpoint
POSThttps://selun.sagitta.systems/agent/x402/sce/case-relevanceWhen to prefer
Use this endpoint when an autonomous agent needs to preflight a DeFi action against Sagitta's indexed security case library — specifically when doctrine-tagged policies (e.g. emergency_rotation_policy) and known threat families (e.g. Admin Key / Access Control) must be checked for relevance before execution. Prefer this over generic risk APIs when you need doctrine-aware, case-matched confidence scoring tied to Sagitta's SCE framework.
Side effects
- Missing required fields (decisionId or requested_action) returns 400 validation error
- Unknown doctrine_tags or threat_families may return low relevance score with no matches rather than an error
- Expired or stale case index may reduce confidence score accuracy
- Payment not processed (x402 flow incomplete) results in 402 Payment Required before evaluation runs
- Invalid chain_id may return empty or unmatched results
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| chain_id | integer | |
| decisionId | string | |
| asset_types | array | |
| doctrine_tags | array | |
| protocol_name | string | |
| threat_families | array | |
| requested_action | string |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {
"result": {
"sce": {
"confidence": {
"basis": "Matched indexed threat families and doctrine tags",
"label": "high",
"score": 0.78
},
"valid_until": "2026-06-17T11:56:44Z",
"reason_codes": [
"family_match",
"doctrine_tag_match",
"high_severity_cases_present"
],
"schema_version": "sce.case_relevance.v1",
"relevance_level": "HIGH",
"relevance_score": 82,
"matched_doctrine_tags": [
"emergency_rotation_policy",
"user_warning_policy"
],
"matched_threat_families": [
"DeFi Protocol Incident",
"Admin Key / Access Control"
]
},
"validUntil": "2026-06-17T11:56:44Z",
"selunWrapper": true,
"sceEvaluationId": "sce_relevance_8a66e19f06184e1e",
"sceSourceEndpoint": "/v1/sce/case-relevance"
},
"status": "completed",
"endpoint": "/agent/x402/sce/case-relevance",
"productId": "sce_case_relevance",
"decisionId": "sce-case-001"
},
"success": true,
"executionModelVersion": "Selun-1.0.0"
}
}Tags
x402
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