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- mcplens
Mcplens
What is Mcplens
mcplens is an open-source Integrated Development Environment (IDE) designed for exploring and testing MCPs, similar to Postman but specifically tailored for MCPs.
Use cases
Use cases for mcplens include testing MCP endpoints, debugging API calls, and exploring the capabilities of different MCPs in a user-friendly environment.
How to use
To use mcplens, clone the repository and run npm install to install dependencies. Start the application in development mode using npm start.
Key features
Key features of mcplens include an easy-to-use interface for testing MCPs, support for standard input/output MCP servers, and the ability to explore various MCP functionalities.
Where to use
mcplens can be used in software development environments, particularly for developers working with MCPs who need a tool for testing and exploring APIs.
Clients Supporting MCP
The following are the main client software that supports the Model Context Protocol. Click the link to visit the official website for more information.
Overview
What is Mcplens
mcplens is an open-source Integrated Development Environment (IDE) designed for exploring and testing MCPs, similar to Postman but specifically tailored for MCPs.
Use cases
Use cases for mcplens include testing MCP endpoints, debugging API calls, and exploring the capabilities of different MCPs in a user-friendly environment.
How to use
To use mcplens, clone the repository and run npm install to install dependencies. Start the application in development mode using npm start.
Key features
Key features of mcplens include an easy-to-use interface for testing MCPs, support for standard input/output MCP servers, and the ability to explore various MCP functionalities.
Where to use
mcplens can be used in software development environments, particularly for developers working with MCPs who need a tool for testing and exploring APIs.
Clients Supporting MCP
The following are the main client software that supports the Model Context Protocol. Click the link to visit the official website for more information.
Content
Get started
Follow these steps to get started:
- After clone run
npm install - Start application in development mode by
npm start.
That’s all you need. 😉
Known issues
- If you’re using
npx mcp/serverfor invoking the mcp server, the first call will take a long time. The follow up calls will be faster because of cache. Currently there is no loading indicator. - I’m currently using deprecated mastra memory (
import { Memory } from "@mastra/memory";), I need to follow the instructions to migrate. - When you add/change your openapi key, it does not get propagated. You need to restart the application.
- Currently only stdio mcp servers are supported SSE+Streaming HTTP will be added later.
Dev Tools Supporting MCP
The following are the main code editors that support the Model Context Protocol. Click the link to visit the official website for more information.










