# Tools

***

Tools are functions that agents can use to interact with the world. These tools can be generic utilities (e.g. search), other chains, or even other agents.

### Tool Nodes:

* [BraveSearch API](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/bravesearch-api)
* [Calculator](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/calculator)
* [Chain Tool](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/chain-tool)
* [Chatflow Tool](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/chatflow-tool)
* [Custom Tool](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/custom-tool)
* [Exa Search](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/exa-search)
* [Google Custom Search](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/google-custom-search)
* [OpenAPI Toolkit](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/openapi-toolkit)
* [Python Interpreter](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/python-interpreter)
* [Read File](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/read-file)
* [Request Get](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/request-get)
* [Request Post](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/request-post)
* [Retriever Tool](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/retriever-tool)
* [SearchApi](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/searchapi)
* [SearXNG](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/searxng)
* [Serp API](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/serp-api)
* [Serper](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/serper)
* [Web Browser](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/web-browser)
* [Write File](https://tailwindsdocs.innovativesol.com/readme/chatflows/langchain/tools/write-file)