Overview of tools in prompt flow

This page provides an overview of the tools that are available in prompt flow. It also offers instructions on how to create your own custom tool and how to install custom tools.

An index of tools

The following table shows an index of tools in prompt flow.

Tool (set) name	Description	Environment	Package name
Python	Runs Python code.	Default	promptflow-tools
LLM	Uses OpenAI's large language model (LLM) for text completion or chat.	Default	promptflow-tools
Prompt	Crafts a prompt by using Jinja as the templating language.	Default	promptflow-tools
Embedding	Uses OpenAI's embedding model to create an embedding vector that represents the input text.	Default	promptflow-tools
Open Model LLM	Enable the utilization of a variety of Open Model and Foundational Models, such as Falcon and Llama 2 from the Azure Model catalog.	Default	promptflow-tools
Serp API	Uses Serp API to obtain search results from a specific search engine.	Default	promptflow-tools
Content Safety (Text)	Uses Azure Content Safety to detect harmful content.	Default	promptflow-tools
Azure OpenAI GPT-4 Turbo with Vision	Use AzureOpenAI GPT-4 Turbo with Vision model deployment to analyze images and provide textual responses to questions about them.	Default	promptflow-tools
OpenAI GPT-4V	Use OpenAI GPT-4V to leverage vision ability.	Default	promptflow-tools
Index Lookup*	Search an Azure Machine Learning Vector Index for relevant results using one or more text queries.	Default	promptflow-vectordb
Faiss Index Lookup*	Searches a vector-based query from the Faiss index file.	Default	promptflow-vectordb
Vector DB Lookup*	Searches a vector-based query from existing vector database.	Default	promptflow-vectordb
Vector Index Lookup*	Searches text or a vector-based query from Azure Machine Learning vector index.	Default	promptflow-vectordb
Azure AI Language tools*	This collection of tools is a wrapper for various Azure AI Language APIs, which can help effectively understand and analyze documents and conversations. The capabilities currently supported include: Abstractive Summarization, Extractive Summarization, Conversation Summarization, Entity Recognition, Key Phrase Extraction, Language Detection, PII Entity Recognition, Conversational PII, Sentiment Analysis, Conversational Language Understanding, Translator. You can learn how to use them by the Sample flows. Support contact: taincidents@microsoft.com	Custom	promptflow-azure-ai-language

*The asterisk marks indicate custom tools, which are created by the community that extend prompt flow's capabilities for specific use cases. They aren't officially maintained or endorsed by prompt flow team. When you encounter questions or issues for these tools, prioritize using the support contact if it's provided in the description.

To discover more custom tools developed by the open-source community, see More custom tools.

Remarks

• If existing tools don't meet your requirements, you can develop your own custom tool and make a tool package.
• To install custom tools or add more tools to the custom environment, see Custom tool package creation and usage to prepare the runtime. Then the tools can be displayed in the tool list.