MCP Registry & Tester

@Preetnagda

Repository

About MCP Registry & Tester

Application to test your MCP servers. Register, manage and test all in one place.

#mcp-tester #mcp-servers #protocol-testing

Config

No standard config provided

This server doesn't expose a parseable MCP config block in its README. See the repository for install instructions.

Repository

Tools

No tools detected

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

FAQ from MCP Registry & Tester

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.

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).

Frequently asked questions

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.

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).

Comments

Basic information

More Other MCP servers

Activepieces

activepieces

AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Agent with MCPs • AI Workflows & AI Agents • MCPs for AI Agents

23.2K