---
title: "add_keywords_to_negative_lists. Metadata MCP tool reference"
url: https://metadata.io/developers/tools/add_keywords_to_negative_lists
description: "Add keywords to one or more existing Google Ads negative keyword lists. Writes tool on the Metadata MCP server, with its full JSON Schema."
source: metadata.io
---

# add_keywords_to_negative_lists

Add keywords to one or more existing Google Ads negative keyword lists.

Writes [search](https://metadata.io/developers/tools/#cat-search)

## What it does

## Arguments

| Argument | Type |   | Notes |
|---|---|---|---|
| `negativeListIds` | array | required | IDs of the existing negative keyword lists to extend (from list_negative_keywords_list). |
| `keywords` | array | required | Keywords to add to every list in negativeListIds. Each item is either a plain string or {text, match_type}. |
| `match_type` | string |   | Default match type, used when an item is a plain string or an object that omits match_type. Default PHRASE.one of: `EXACT`, `PHRASE`, `BROAD` |
| `channel` | string |   | Ad channel scope. Both search channels are supported. These are PER-CHANNEL resources: GOOGLE_ADS and MICROSOFT_ADS hold separate sets, and one is invisible to the other. Defaults to GOOGLE_ADS when the user does not say which.one of: `GOOGLE_ADS`, `MICROSOFT_ADS` |

## Request

**Request template, not a complete runnable example.** Replace placeholders, empty objects, arrays, and zero values with valid account-specific inputs. Read required fields and nested constraints in the full schema. Confirm the account, connected channels, and referenced assets before calling a write tool.

## Response

## Related

Other search tools:

- [add_negative_keyword_lists_to_live_campaigns](https://metadata.io/developers/tools/add_negative_keyword_lists_to_live_campaigns) Writes
- [create_keywords](https://metadata.io/developers/tools/create_keywords) Writes
- [create_negative_keywords_list](https://metadata.io/developers/tools/create_negative_keywords_list) Writes
- [delete_negative_keyword_lists](https://metadata.io/developers/tools/delete_negative_keyword_lists) Destructive
- [duplicate_negative_keywords_list](https://metadata.io/developers/tools/duplicate_negative_keywords_list) Writes
- [experiments_keywords_stats](https://metadata.io/developers/tools/experiments_keywords_stats) Read
- [get_negative_keywords_list_details](https://metadata.io/developers/tools/get_negative_keywords_list_details) Read
- [list_experiment_keywords](https://metadata.io/developers/tools/list_experiment_keywords) Read

[Browse the tool catalog](https://metadata.io/developers/tools/) · [machine-readable index](https://metadata.io/developers/tools.json)