---
title: "Find discriminators, saturation, flakiness, and frontier gaps."
method: POST
path: "/api/health-report"
---

# Find discriminators, saturation, flakiness, and frontier gaps.

`POST /api/health-report`

## Request

- Base URL: `https://whetstone.cyberelf.link`
- URL: `https://whetstone.cyberelf.link/api/health-report`
- Auth: none declared

## Request body

- object: Diagnose item lifecycle health from one or more grading-history rows.
  - `history` object[], required: Observed item/system outcomes.
    - `domain` string
    - `item_id` string, required
    - `passed` boolean, required
    - `system` string, required
  - `items` object[]: Optional item definitions.
    - `domain` string
    - `item_id` string, required

## Response `200`

Deterministic receipt with item-level decision path and SHA-256 hashes.

## Other responses

- `400`: Input error (a hint points at /api/examples).
- `429`: Rate limited.

---

[API](https://skmtc.dev/cyberelf/apis/whetstone-tools.md) · [All operations](https://skmtc.dev/cyberelf/apis/whetstone-tools/llms.txt) · [OpenAPI document](https://skmtc.dev/cyberelf/apis/whetstone-tools/revisions/4c656180ee4d?raw)