---
title: "List catalog specifications"
method: GET
path: "/metadata/metadata_specification"
tags: ["Catalog specification"]
---

# List catalog specifications

`GET /metadata/metadata_specification`

Lists all catalog specifications.

## Query parameters

- `limit` string
- `offset` string
- `entity` 'organization' | 'account' | 'namespace' | 'application' | 'build' | 'asset' | 'scope' | 'release' | 'deployment' | 'user'
- `metadata` string
- `nrn` string, required — Nullplatform Resource Name (NRN) representing a hierarchical identifier for nullplatform resources.
- `include` string
- `merge` boolean
- `only` string

## Response `2XX`

Object representing pagination parameters for controlling the number and order of results

- object — Object representing pagination parameters for controlling the number and order of results
  - `paging` object, required
    - `limit` integer, required — Limits the number of results returned
    - `offset` integer, required — Specifies the offset for paginated results
  - `results` Def17[], required
    - `id` string, uuid — Unique ID for the entity, in UUID format.
    - `name` string — Catalog specification name, for example: Build Coverage, Application Frameworks, Build Vulnerabilities.
    - `nrn` string — Nullplatform Resource Name (NRN) representing a hierarchical identifier for nullplatform resources.
    - `entity` 'organization' | 'account' | 'namespace' | 'application' | 'build' | 'asset' | 'scope' | 'release' | 'deployment' | 'user' — Parent entity that holds metadata information.
    - `metadata` string, nullable — Entity metadata key, for example: coverage, frameworks, vulnerabilities.
    - `description` string — Catalog specification description.
    - `schema` object — Catalog specification schema. Must be a valid JSON Schema.

## Other responses

- `4XX` — Format for representing errors during API interactions
- `5XX` — Format for representing errors during API interactions

---

[API](https://skmtc.dev/nullplatform/apis/nullplatform-api.md) · [All operations](https://skmtc.dev/nullplatform/apis/nullplatform-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/nullplatform/nullplatform-api/revisions/1c4ea154b159/schema)