---
title: "Check a cell spec against every model builder"
method: GET
path: "/cell_specifications/{cell_spec_id}/builder_readiness"
tags: ["Model builders"]
---

# Check a cell spec against every model builder

`GET /cell_specifications/{cell_spec_id}/builder_readiness`

## Request

- Base URL: `https://api.ionworks.com`
- URL: `https://api.ionworks.com/cell_specifications/{cell_spec_id}/builder_readiness`
- Auth: none declared

Which builders (optionally for one model) this cell spec is ready for.

## Path parameters

- `cell_spec_id` string, uuid, required

## Query parameters

- `model_id` string, uuid, nullable

## Response `200`

Successful Response

- BuilderReadiness[]
  - `model_builder_id` string, required
  - `model_id` string, required
  - `name` string, required
  - `ready` boolean, required
  - `error_count` integer, required
  - `warning_count` integer, required
  - `missing_count` integer: Model parameters the builder does not set; saving needs none.

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-22** `39d84bb8875e`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/ionworks/apis/ionworks-api/changes/cell_specifications/:cell_spec_id/builder_readiness/get.md)

---

[API](https://skmtc.dev/ionworks/apis/ionworks-api.md) - [All operations](https://skmtc.dev/ionworks/apis/ionworks-api/llms.txt) - [OpenAPI document](https://skmtc.dev/ionworks/apis/ionworks-api/revisions/abebbbc5f60a?raw)