# MCP JSON-RPC Server

> Use this tool when you need to establish a basic client-server interaction using JSON-RPC protocol, solving problems of simple data exchange and remote procedure calls. It provides an 'initialize' handshake and an 'echo' function, accepting JSON-RPC requests as input and returning responses as output. Ideal for beginners and development environments, it offers a straightforward interface for testing and prototyping client-server applications.

Canonical page: https://skillsregistry.net/skills/melvincarvalho-mcpjs  
JSON: https://api.skillsregistry.net/v1/skills/melvincarvalho-mcpjs

## Description

A beginner-friendly MCP-inspired JSON-RPC server built with Node.js, offering basic client-server interaction through an 'initialize' capabilities handshake and an 'echo' function.

## Trust

- **Trust score (0–1):** 0.60
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-05-05

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/p33upo55dp)
- **Repository:** <https://github.com/melvincarvalho/mcpjs>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "melvincarvalho-mcpjs"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/melvincarvalho-mcpjs` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/melvincarvalho-mcpjs/pull`

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