# Mockd

> Use this skill when the user wants to mock APIs, create fake HTTP/gRPC servers, test with realistic API stubs, or set up mock services for development.

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

---


# mockd Plugin

One binary, seven protocols — mock HTTP, gRPC, GraphQL, WebSocket, MQTT, SSE, and SOAP.

## Commands

### Server
- `mockd server start` — Start mockd server

### Endpoints
- `mockd endpoint add` — Add a mock endpoint

### Import
- `mockd import` — Import OpenAPI/Postman/HAR specs

## Usage Examples
- "Start a mock HTTP server"
- "Create a stateful CRUD API"
- "Import an OpenAPI spec"

## Installation

```bash
curl -sSL https://get.mockd.io | sh
```

Or:
```bash
brew install getmockd/tap/mockd
docker run -p 4280:4280 ghcr.io/getmockd/mockd:latest
```

## Examples

```bash
# Start server
mockd start

# Add HTTP endpoint
mockd add http --path /api/users --stateful users

# Test
curl -X POST localhost:4280/api/users -d '{"name":"Alice"}'

# Import OpenAPI
mockd import openapi.yaml

# Digital twin
mockd start -c stripe-twin.yaml

# Chaos engineering
mockd chaos apply flaky
```

## Key Features
- 7 protocols: HTTP, gRPC, GraphQL, WS, MQTT, SSE, SOAP
- Stateful CRUD
- OpenAPI/Postman/HAR import
- Chaos engineering
- MCP server for AI agents
- Cloud tunnel sharing