Tools
Tool components are used to interact with external services, APIs, and tools. They can be used to search the web, query databases, and perform other tasks.
This component creates a tool for performing basic arithmetic operations on a given expression.
| Name | Type | Description |
|---|
| expression | String | The arithmetic expression to evaluate (e.g., 4*4*(33/22)+12-20). |
| Name | Type | Description |
|---|
| result | Tool | Calculator tool for use in LangChain |
This component allows you to evaluate basic arithmetic expressions. It supports addition, subtraction, multiplication, division, and exponentiation. The tool uses a secure evaluation method that prevents the execution of arbitrary Python code.
This component creates a structured tool from Python code using a dataclass.
The component dynamically updates its configuration based on the provided Python code, allowing for custom function arguments and descriptions.
| Name | Type | Description |
|---|
| tool_code | String | Python code for the tool's dataclass |
| tool_name | String | Name of the tool |
| tool_description | String | Description of the tool |
| return_direct | Boolean | Whether to return the function output directly |
| tool_function | String | Selected function for the tool |
| global_variables | Dict | Global variables or data for the tool |
| Name | Type | Description |
|---|
| result_tool | Tool │ Structured tool created from the Python code | |
This component creates a Python REPL (Read-Eval-Print Loop) tool for executing Python code.
| Name | Type | Description |
|---|
| name | String | The name of the tool (default: "python_repl") |
| description | String | A description of the tool's functionality |
| global_imports | List[String] | List of modules to import globally (default: ["math"]) |
| Name | Type | Description |
|---|
| tool | Tool | Python REPL tool for use in LangChain |
This component creates a tool for interacting with a retriever in LangChain.
| Name | Type | Description |
|---|
| retriever | BaseRetriever | The retriever to interact with |
| name | String | The name of the tool |
| description | String | A description of the tool's functionality |
| Name | Type | Description |
|---|
| tool | Tool | Retriever tool for use in LangChain |
This component creates a tool for searching and retrieving information from Wikipedia.
| Name | Type | Description |
|---|
| input_value | String | Search query input |
| lang | String | Language code for Wikipedia (default: "en") |
| k | Integer | Number of results to return |
| load_all_available_meta | Boolean | Whether to load all available metadata (advanced) |
| doc_content_chars_max | Integer | Maximum number of characters for document content (advanced) |
| Name | Type | Description |
|---|
| results | List[Data] | List of Wikipedia search results |
| tool | Tool | Wikipedia search tool for use in LangChain |
