Simple MCP Example with Claude and a Local JSON HTTP Server

@sunmer

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Basic information

About Simple MCP Example with Claude and a Local JSON HTTP Server

Simple MCP server using Claude to interact with a local JSON server

#mcp#json-server#claude

Simple MCP Example with Claude and a Local JSON HTTP Server 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

Simple MCP Example with Claude and a Local JSON HTTP Server tools

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Overview

What is 🛠️ Simple MCP Example with Claude and a Local JSON HTTP Server?

A basic setup guide that demonstrates how to use Claude (MacOS desktop) to interact with a local mock JSON server via the Model-Computer Protocol (MCP). It is intended for developers learning how to integrate MCP tools with a local API.

How to use 🛠️ Simple MCP Example with Claude and a Local JSON HTTP Server?

Install dependencies with npm install, then run npm run mock-api and npm run mcp-server. Edit the claude_desktop_config.json file to add the MCP server configuration, restart Claude, and prompt it with commands like "get all posts" or "insert a post with id 500, title 'created by claude' and views 123".

Key features of 🛠️ Simple MCP Example with Claude and a Local JSON HTTP Server

Uses MCP to connect Claude to a local JSON server
Two MCP tools appear after configuration
Supports CRUD‑style prompts (get, insert)
Works with Claude for MacOS desktop
Requires Node.js and npm dependencies
Includes a testing inspector command

Use cases of 🛠️ Simple MCP Example with Claude and a Local JSON HTTP Server

Retrieve all posts from a local mock JSON server via Claude
Insert a new post with custom fields using natural language prompts
Test MCP tool functionality with the official inspector
Learn how to configure MCP servers in Claude Desktop

Frequently asked questions

What are the prerequisites?

Node.js installed, Claude for MacOS (download from Anthropic), and basic understanding of local servers and MCP tools.

How do I install and run the dependencies?

Run `npm install` in the project root, then `npm run mock-api` to start the JSON server and `npm run mcp-server` to start the MCP server.

How do I configure Claude to use the MCP server?

Edit the `claude_desktop_config.json` file (usually in `~/.claude/` or the app’s internal config folder) and add the MCP server configuration with the command `node` and the absolute path to `dist/index.js`.

What tools appear in Claude after configuration?

Two new MCP tools marked with a 🛠️ hammer icon appear below the input bar.

How can I test the MCP server?

Run `npx @modelcontextprotocol/inspector node build/index.js` and view the available resources at `http://127.0.0.1:6274/#resources`.

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