JSONPath Evaluator

The tool parses a JSON document and evaluates a JSONPath expression against it to return matching values. It supports common operators such as dot notation, bracket notation, wildcards, recursive descent, and filters. It is designed for developers, data engineers, and QA engineers who need predictable, scriptable data extraction from API responses, logs, or configuration files. Example: given { \"store\": { \"book\": [ { \"author\": \"Alice\" }, { \"author\": \"Bob\" } ] } } and path $.store.book[*].author, the tool returns [\"Alice\",\"Bob\"].
Conceptually, the workflow is: parse input JSON to an in-memory tree; parse the JSONPath into a traversal plan; walk the tree collecting matched nodes; assemble results as an array for multiple matches or a single value when a single match exists.
Core features include required inputs json_text (string) and jsonpath (string). Optional settings include all_matches (boolean), include_path (boolean), and strict_types (boolean). Outputs include values in JSON format and a diagnostic object. Advanced capabilities cover basic filters and support for common JSONPath constructs.
Industry use and differentiation: supports debugging of API payloads, log analysis, and data pipelines; uniqueness comes from clear error messages, deterministic result ordering, and a lightweight evaluation engine.