What transport protocols does MCP Registry & Tester support?
It supports `stdio://` for local processes and `https://` (Streamable HTTP) for remote servers. Future support for WebSocket is planned.
MCP Registry & Tester
@Preetnagda
Basic information
About MCP Registry & Tester
Application to test your MCP servers. Register, manage and test all in one place.
MCP Registry & Tester config
No standard config provided
This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.
RepositoryMCP Registry & Tester tools
Tool list not available yet
This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.
We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.
Overview
What is MCP Registry & Tester?
MCP Registry & Tester is a Next.js application for registering and testing Model Context Protocol (MCP) servers. It allows developers to manage MCP server configurations, connect via stdio or HTTPS/Streamable HTTP, discover available tools, and test them with custom arguments.
How to use MCP Registry & Tester?
Clone the repository, install dependencies with npm install, start a PostgreSQL database (e.g., with Docker), set DATABASE_URL in .env.local, run npm run db:generate and npm run db:migrate, then start the development server with npm run dev. Open http://localhost:3000 to register servers, edit configurations, and interact with MCP servers on the dedicated pages.
Key features of MCP Registry & Tester
- Register MCP servers with custom URLs and headers
- List all registered servers with details
- Connect to servers and discover tools/resources
- Test MCP tools with custom JSON arguments
- View call history with results and errors
- Support stdio and HTTPS/Streamable HTTP transport
Use cases of MCP Registry & Tester
- Register and test a local MCP server via
stdio://connection - Connect to a remote MCP server over HTTPS with authentication headers
- Discover available tools on any registered MCP server
- Test tool calls with different argument combinations
- Manage multiple MCP server configurations in one place
Frequently asked questions
How do I set up the PostgreSQL database?
Use Docker to start a PostgreSQL container, then create the database `mcp_registry`. Configure the `DATABASE_URL` environment variable accordingly.
Can I test tools with custom arguments?
Yes, on the MCP Interaction page (`/mcp/[id]`) you can enter custom JSON arguments and see the tool call results or errors.
How do I connect to a remote MCP server?
Register the server with an `https://` URL and optionally add headers (e.g., Authorization). The application uses Streamable HTTP transport for bidirectional communication.
What are the prerequisites?
Node.js 18 or later and a running PostgreSQL database (Docker recommended).
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