# Uxc

> Use this skill when the user wants to call APIs across different protocols (OpenAPI, GraphQL, gRPC, MCP), discover API operations, or unify API tooling.

- Skill: `javimosch/uxc` (Agent Skill)
- Install (CLI): `npx skillmds@latest add javimosch/uxc`
- Raw SKILL.md: https://api.skillmd.com/api/skills/javimosch/uxc/raw
- Safety review: WARNING (external: skill-scanner WARNING, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: javimosch (https://skillmd.com/u/javimosch)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/javimosch/uxc

---


# uxc Plugin

One CLI for tools across protocols — OpenAPI, MCP, GraphQL, gRPC, JSON-RPC.

## Commands

### Discover
- `uxc host discover` — Discover operations on a host

### Invoke
- `uxc invoke` — Call an API operation

## Usage Examples
- "Discover what a host exposes"
- "Call a GraphQL API"
- "Invoke an OpenAPI operation"

## Installation

```bash
brew install holon-run/tap/uxc
```

Or:
```bash
curl -fsSL https://raw.githubusercontent.com/holon-run/uxc/main/scripts/install.sh | bash
```

## Examples

```bash
# Discover OpenAPI
uxc petstore3.swagger.io/api/v3 -h
uxc petstore3.swagger.io/api/v3 get:/pet/{petId} -h

# Call operation
uxc petstore3.swagger.io/api/v3 get:/pet/{petId} petId=1

# GraphQL
uxc countries.trevorblades.com -h
uxc countries.trevorblades.com query/country code=US

# MCP
uxc mcp.deepwiki.com/mcp -h
```

## Key Features
- Help-first discovery
- Key/value or JSON arguments
- JSON-first output
- Reusable auth credentials
- MCP-first config import
- Daemon-backed session reuse