Jev 101
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Find a use case. Then choose a tool.

19 official use-case directions with editorial input–judgment–action patterns. These are not deployed products or verified customer cases.

Scenario names follow the official TypeSafe map. Grouping, questions, flows and project associations are editorial—not an implementation certification. Official use-case map →
19 use cases
Technology & developmentUse case

Search and retrieval

Which evidence can actually answer this question?

InputQuestion + candidate passages
JudgeJudge relevance to the question
ActCode ranks passages and selects answer context
Research & knowledgeUse case

Scientific discovery

Is this research claim supported by source text?

InputResearch question + original paper
JudgeCheck candidate passages for claim support
ActRecord provenance for researcher review
Technology & developmentUse case

Model routing

Which available model should handle this request?

InputRequest + eligible model list
JudgeSelect a suitable authorized option
ActCode enforces quotas and routing; escalate uncertainty
Technology & developmentUse case

LLM guardrails

Does this tool call require a review gate?

InputCall arguments + explicit constraints
JudgeFlag potential boundary violations or disclosure
ActPermission checks decide whether to allow, stop or review
Technology & developmentUse case

Semantic code linting

Does this change violate a team convention?

InputCode diff + explicit team rules
JudgeCheck the change against defined conventions
ActRecord findings for developer review
Business & operationsUse case

Recruiting

What job-relevant evidence is in the application?

InputAuthorized application + role requirements
JudgeIdentify evidence relevant to explicit criteria
ActRecruiters review; no automatic hiring decision
Business & operationsUse case

Lead generation

Which team should receive this inbound lead?

InputInbound inquiry + service ownership rules
JudgeClassify the requested service
ActCode routes the lead or requests missing information
Business & operationsUse case

Customer support

Who should handle this support email?

InputSupport email + ticket categories
JudgeIdentify intent and unresolved questions
ActCreate a ticket; approve consequential actions separately
Risk & complianceUse case

Insurance claims

What information needs checking in this claim?

InputClaim materials + required-document checklist
JudgeFlag potentially missing or conflicting information
ActA claims specialist verifies; no automatic denial
Risk & complianceUse case

Financial crime

Which alerts need further investigation?

InputAuthorized records + alert criteria
JudgeFlag textual clues requiring verification
ActPreserve evidence for a qualified investigator
Risk & complianceUse case

Legal and compliance

Which document items need review?

InputContract text + explicit checklist
JudgeIdentify clauses requiring examination
ActLegal professionals review; no legal conclusion
Business & operationsUse case

E-commerce marketplaces

Which category fits this product?

InputProduct description + defined taxonomy
JudgeChoose a candidate category and flag uncertainty
ActValidate fields and obtain approval before publishing
Risk & complianceUse case

Moderation and trust and safety

Does this content trigger a community rule?

InputContent text + current moderation policy
JudgeEvaluate potential policy issues
ActApply review rules and preserve an appeals process
Business & operationsUse case

Advertising

Does the landing page support the ad copy?

InputAd copy + landing-page text
JudgeFlag descriptions needing a consistency check
ActMarketers review before publishing
Technology & developmentUse case

Gaming

Where should this player report be routed?

InputPlayer feedback + support issue categories
JudgeClassify the specific reported issue
ActRoute an operations ticket; this is not game control
Risk & complianceUse case

Risk assessment

Which records need further investigation?

InputIncident records + evaluation rubric
JudgeProduce separate signals for defined indicators
ActCode aggregates signals for professional review
Business & operationsUse case

Demand forecasting

Which defined needs are customers mentioning?

InputCustomer inquiries + product need definitions
JudgeTag text against defined need categories
ActAggregate features for a separate forecasting model
Research & knowledgeUse case

Graphs and knowledge graphs

Which relationship should graph search follow?

InputCurrent node + candidate relationships
JudgeJudge relevance to the query goal
ActGraph-query code traverses and records the path