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Study Notes Schema Directionality Checker
x402
Study Notes Schema Directionality Checker is a paid API for AI agents from www.mahastrategies.com, paid per call via x402, $0.035049/call, status unknown (last checked 2026-10-28).
Compares closed note-extraction field contracts between before and after schema states, identifying removals, type changes, and newly required fields for request narrowing validation.
Price / call$0.035049
Success—
StatusUnknown
How this service works
Compare closed note-extraction fields and allowed claim kinds for request narrowing. No model invocation, arbitrary schema execution or guarantee for undeclared fields. Offline typed nonpersonal metadata only. Result retention: 24 hours; minimal receipt metadata: 90 days.
Output
Returns a structured directionality report listing field removals, type changes, and newly required fields between the before and after schema states, along with a diff of allowed claim kinds — no model inference or generated content, only typed metadata about schema contract changes.
Example use cases
Detect breaking field removals in notes schema
“I updated my study notes extraction schema and want to know if any fields were removed or had their types changed — before had [title, body, source, tags] and after has [title, body, source], with beforeKinds [assertion, citation] and afterKinds [assertion]. Run a directionality check using public data class.”
Validate claim kind narrowing before deployment
“Before I deploy my updated note-ingestion pipeline, can you check whether the schema changes narrow the claim kinds too aggressively? Before allowed [assertion, citation, reference] and after only allows [assertion, citation]. Use synthetic data class and flag any fields that became newly required.”
Audit study notes schema migration for compatibility
“I'm migrating my study notes system and need to confirm the schema is backward compatible — before fields were [id, heading, body, author] and after they are [id, heading, body], beforeKinds [assertion] and afterKinds [assertion]. Check this against public data class and tell me what changed.”
Technical details
Endpoint
POSThttps://www.mahastrategies.com/api/v1/context/study-notes/schema-directionality?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, offline schema diffing tool specifically for study note extraction contracts — particularly when you want to detect request-narrowing risks from field removals or claim kind reductions between schema versions, without triggering any model inference or stateful operations.
Side effects
- Missing required 'before' array returns validation error
- afterKinds or beforeKinds exceeding 3 items rejected
- dataClass not set to 'public' or 'synthetic' causes schema error
- nonpersonalMetadata not set to true causes rejection
- before array with fewer than 1 item rejected
- Undeclared fields silently ignored with no guarantee of coverage
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| after | array | |
| before | array | |
| dataClass | string | |
| afterKinds | array | |
| beforeKinds | array | |
| nonpersonalMetadata | boolean |
Tags
x402
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