> For the complete documentation index, see [llms.txt](https://doc.duaer.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.duaer.com/getting-started/mp.md).

# Search MP in Duaer

In Duaer, search mammalian phenotypes via MP. One successful search uses 1 credit.
## What you get

MP in the Duaer data market uses 1 credit per successful search.

Add the node from the [Duaer Data category](/getting-started/duaer-data.md) (MP), or copy the skill on the [data market](/getting-started/data-market.md). Related: [Phenotypes](/getting-started/phenotypes.md).

## Search on the canvas

1. Open the node creator, select Duaer Data, then MP.
2. Enter Words (a new node starts with obesity), or an id.
3. Limit defaults to 10, max 20. Select Execute step.

A successful search uses 1 credit. Production deliverables land in the [data pool](/getting-started/data-pool.md).

## Call the API

- GET https://api.duaer.com/v1/data/mp?...
- Authorization: Bearer <Duaer key>
- words or id is required.

For keys, refer to [Authentication for the Duaer public API](/api/authentication.md). Below is the same English call skill as Copy skill.

## Call skill

Same text as Copy skill on the Duaer data market. Keep it English.

```
---
name: duaer-mp
description: >-
  Search mammalian phenotypes via MP through Duaer.
  One successful search uses 1 Duaer credit.
---

# Duaer MP

Search mammalian phenotypes via MP through Duaer with a Duaer key.

## Call

`GET https://api.duaer.com/v1/data/mp?words=obesity&limit=10`

Header: `Authorization: Bearer <Duaer key>`

Use an account key or a model API key.

Provide `words` or `id`.
- `words` — phenotype words, such as obesity.
- `id` — optional. MP id such as MP:0001261.
- `limit` — optional. From 1 to 20. Default 10.

## Result

Each item has `source`, `title`, `url`, `summary`, `mpId`, `description`, `synonyms`, and `iri`.


```
## Questions

### How many credits does a MP search use in Duaer?

One successful MP search in Duaer uses 1 credit.