ReactJsonAgent

An LLM-powered agent designed to iteratively query and navigate complex, large JSON or dictionary objects, bypassing Large Language Model (LLM) context window limits.

ReactJsonAgent (LangChain's JSON Agent) enables LLMs to intelligently extract data from JSON or YAML blobs exceeding typical context windows. It employs a ReAct (Reasoning and Acting) loop, using a dedicated `JsonToolkit` to perform specific, controlled actions like `json_spec_list_keys` and `json_spec_get_value`. This iterative, tool-based approach allows the agent to explore nested structures, such as OpenAPI specifications, to find precise answers without loading the entire 5,000+ line object into the prompt at once. The result is reliable, targeted data retrieval from structured data sources.

https://python.langchain.com/v0.2/docs/integrations/toolkits/json/