Insomnia is an AI-native API collaboration platform designed for developers to design, test, and debug APIs. It emphasizes a "security-first" approach and provides a flexible environment that supports local, Git, or cloud-based workflows.

The main features of this tool include:

• Comprehensive API Lifecycle Tools: Insomnia provides a complete suite for API design, debugging, testing, and mocking. It supports a wide range of protocols, including HTTP, gRPC, GraphQL, Socket.io, WSS, and SSE.

• AI-Powered Development: The platform features AI-powered commits and autogenerated Mock Servers created using natural language, allowing developers to simulate API behavior quickly.

• MCP (Model Context Protocol) Support: Insomnia includes an MCP Client, enabling it to work within modern AI ecosystems and allowing AI agents to interact with and understand your APIs.

• Flexible Data Storage: Developers can choose between Local, Git, and Cloud storage. Notably, the tool requires no account for local testing, ensuring privacy and speed for individual developers.

• Collaborative Scaling: For teams, it offers Git Sync, Teams RBAC (Role-Based Access Control), and Domain Capture to ensure secure collaboration at scale.

• Developer-Friendly Free Tier: The open-source and free tier includes unlimited projects, an unlimited collection runner, and the ability to use MCP Clients and Git Sync.

• Automation with CLI: It includes the Insomnia CLI, which allows developers to integrate their API testing and design workflows into automated pipelines.