> For the complete documentation index, see [llms.txt](https://strata-ai.gitbook.io/strata-ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://strata-ai.gitbook.io/strata-ai/getting-started/tools-configuration.md).

# Tools Configuration

#### **Configuration for Tools (Optional)**

In addition to LLMs, we often want agents to use tools. This section covers their setup.

**Web Searching API**

Check `search_config.py` for configuration.

```
## Supported api_type: serpapi/google/serper/ddg
## serper: Visit https://serper.dev/ to get key.
## serpapi: Visit https://serpapi.com/ to get key.
## google: Visit https://console.cloud.google.com/apis/credentials to get key.
## ddg: it is free, no need to get key.
search:
  api_type: 'google' # serpapi/google/serper/ddg
  api_key: 'YOUR_API_KEY'
  cse_id: 'YOUR_CSE_ID' # only for google
  params:
    engine: google # google/bing/yahoo/baidu/yandex, check https://serpapi.com/bing-search-api for more details
    google_domain: 'google.com'
    gl: us
    hl: en
```

**Web Browsing**

Check `browser_config.py` for configuration.

```
browser:
  engine: 'playwright' # playwright/selenium
  # for playwright engine, please check https://playwright.dev/python/docs/api/class-browsertype
  # for selenium engine, please check https://www.selenium.dev/documentation/webdriver/browsers
  browser_type: 'chrome' # playwright: chromium/firefox/webkit; selenium: chrome/firefox/edge/ie
```

**Azure TTS**

```
### for TTS
azure_tts_subscription_key: 'YOUR_API_KEY'
azure_tts_region: 'eastus'
```

**Mermaid**

Check `mermaid_config.py` for configuration.