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

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

Or:

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

Examples

# 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