---
title: "fx Terminal JSON Viewer and Processor"
description: "fx is a terminal-based JSON viewer and processor that provides an interactive TUI for navigating, filtering, and transforming JSON, YAML, and TOML data. Built in Go with support for JavaScript/Python expressions, it replaces piping through jq for quick data exploration."
verification: "security_reviewed"
source: "https://github.com/antonmedv/fx"
category:
  - "Data Extraction & Transformation"
framework:
  - "Custom Agents"
tool_ecosystem:
  github_repo: "antonmedv/fx"
  github_stars: 20376
  npm_package: "fx"
  npm_weekly_downloads: 206007
---

# fx Terminal JSON Viewer and Processor

fx is a terminal-based JSON viewer and processor that provides an interactive TUI for navigating, filtering, and transforming JSON, YAML, and TOML data. Built in Go with support for JavaScript/Python expressions, it replaces piping through jq for quick data exploration.

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/fx-terminal-json-viewer-processor/)
