A high-performance utility designed to transform hierarchical JSON data into simplified flat maps for better data portability.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install expanso-json-flatten
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install expanso-json-flatten using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is json-flatten?
The json-flatten skill is a robust technical solution within the Openclaw Skills library designed to solve the problem of deeply nested data structures. By converting complex JSON trees into flat objects, it enables developers to more easily manipulate, analyze, and export data. This skill is built to run within the Expanso Edge environment, ensuring fast processing whether you are working locally or in a distributed cloud architecture.
Leveraging the power of Openclaw Skills, json-flatten provides a standardized interface for data normalization. It is ideal for developers who need to bridge the gap between flexible NoSQL-style data and rigid tabular formats, making it a vital component in modern data engineering and AI automation pipelines.
json-flatten Use Cases
- Normalizing deeply nested API responses for database ingestion.
- Preparing JSON data for export to CSV or spreadsheet formats.
- Simplifying complex logs to improve searchability in monitoring tools.
- Pre-processing data for AI agents that perform better with flat context.
How json-flatten Works
- The skill receives a nested JSON object through a CLI pipe or an MCP request.
- It initializes the Expanso Edge runtime using the provided pipeline configuration.
- The flattening engine recursively traverses the input object, concatenating nested keys into a single-level string key.
- The transformed flat JSON object is outputted to the standard output or returned via the MCP server interface.
json-flatten Setup
To get started with this skill, you must first ensure the Expanso Edge environment is ready:
# Install the necessary binary via clawhub
clawhub install expanso-edge
Once installed, you can verify that the expanso-edge binary is accessible in your PATH. You can then run the skill using the provided pipeline files.
json-flatten Data Schema & Taxonomy
| File | Role in Skill |
|---|---|
skill.yaml |
Contains the core metadata, defining inputs, outputs, and required credentials. |
pipeline-cli.yaml |
The configuration file for running the flattener as a standalone CLI tool. |
pipeline-mcp.yaml |
The configuration file for deploying the skill as an MCP server for AI interactions. |
Data processed by this Openclaw Skills utility typically follows a standard JSON input/output pattern where keys are flattened using dot-notation to represent original nesting levels.
json-flatten Advanced Features
- MCP Server Support: Integrate the flattening utility directly into AI coding agents using the Model Context Protocol.
- Cloud Deployment: Scale your data processing by deploying the pipeline to Expanso Cloud with a single command.
- Pipeline Flexibility: Choose between dedicated CLI pipelines for local scripts or MCP pipelines for interactive agent workflows.
- Seamless Integration: Designed to work as a modular component within the broader ecosystem of Openclaw Skills.
SKILL.md
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