MCPClientMock

Name: MCPClientMock
Author: Akkshay10

by Akkshay10version 1.0.2i★ –iRuns on your computer

Registry nameio.github.Akkshay10/MCPClientMock

Install

Overview

Description from the maker (original English)

MCP server for James Bloom MockServer - create expectations, verify requests, and manage mock state

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Runs on your computer
Transport: stdio
Category: Other

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 1 of 1 passed
Runs on your computer with your user’s permissions (files, network, apps).
You fill in yourself: MOCKSERVER_HOST, MOCKSERVER_PORT

You need

npmNode.js installed (for the npx command)

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "mcpclientmock": {
      "command": "npx",
      "args": [
        "-y",
        "mockserver-mcp"
      ],
      "env": {
        "MOCKSERVER_HOST": "your-value",
        "MOCKSERVER_PORT": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add mcpclientmock --env MOCKSERVER_HOST=your-value --env MOCKSERVER_PORT=your-value -- npx -y mockserver-mcp

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "mcpclientmock": {
      "command": "npx",
      "args": [
        "-y",
        "mockserver-mcp"
      ],
      "env": {
        "MOCKSERVER_HOST": "your-value",
        "MOCKSERVER_PORT": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "mcpclientmock": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mockserver-mcp"
      ],
      "env": {
        "MOCKSERVER_HOST": "your-value",
        "MOCKSERVER_PORT": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

MOCKSERVER_HOST env
MockServer hostname
MOCKSERVER_PORT env
MockServer port

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

✓ Pass
Maker matches the repo
The registry name was verified with the GitHub account Akkshay10, which owns the repo
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
– Not applicable
Endpoint responds
This one runs on your computer; there is no internet endpoint
– Not applicable
Sign-in with OAuth
Runs on your computer and uses local settings instead
… Not checked yet
No hidden instructions in tool descriptions
Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Otheri

More stars than 0% of the other 32589 servers in this category
Published to the registry more recently than 1% of the other 32589 servers in this category
Basic checks equal to or better than 100% of the other 32589 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is MCPClientMock safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

The registry does not list a required key, though some servers ask you to sign in on first use.

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (1.0.2) reached the registry 11 months ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, Detailing Manager

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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

mockserver-mcp

An MCP (Model Context Protocol) server for interacting with James Bloom's MockServer. This enables AI assistants to create mock HTTP expectations, verify requests, clear state, and manage MockServer instances programmatically.

Prerequisites

You need a running MockServer instance:

# Using Docker (easiest)

docker run -d -p 1080:1080 mockserver/mockserver

Installation

Using npx (recommended)

npx mockserver-mcp

Global installation

npm install -g mockserver-mcp

mockserver-mcp

Configuration

Environment Variables

Variable	Description	Default
`MOCKSERVER_HOST`	MockServer hostname	`localhost`
`MOCKSERVER_PORT`	MockServer port	`1080`

MCP Client Configuration

Add to your MCP client configuration file (e.g., Claude Desktop, Kiro, Cursor):

"mcpServers": { "mockserver": { "command": "npx", "args": ["-y", "mockserver-mcp"], "env": { "MOCKSERVER_HOST": "localhost", "MOCKSERVER_PORT": "1080" } } } }

For shared team MockServer, change MOCKSERVER_HOST to your server's address.

Available Tools

mockserver_create_expectation

Create a mock HTTP expectation on MockServer.

Parameters:

httpRequest (required): Request matching criteria
method: HTTP method (GET, POST, PUT, DELETE, etc.)
path: URL path to match
queryStringParameters: Query parameters to match
headers: Headers to match
body: Body matcher with type (STRING, JSON, REGEX, XPATH, JSON_PATH) and value
httpResponse: Response configuration
statusCode: HTTP status code
headers: Response headers
body: Response body (string or object)
delay: Response delay with timeUnit and value
times: How many times to match (remainingTimes, unlimited)
timeToLive: Expectation lifetime (timeUnit, timeToLive)

Example:

"httpRequest": { "method": "GET", "path": "/api/users" }, "httpResponse": { "statusCode": 200, "body": { "users": [] } } }

mockserver_verify

Verify that requests matching criteria were received by MockServer.

Parameters:

httpRequest (required): Request matching criteria (same as create_expectation)
times: Expected request count
atLeast: Minimum number of requests
atMost: Maximum number of requests
exactly: Exact number of requests

Example:

"httpRequest": { "method": "POST", "path": "/api/orders" }, "times": { "atLeast": 1 } }

mockserver_clear

Clear expectations and recorded requests from MockServer.

Parameters:

httpRequest (optional): Request matcher to clear specific expectations. If not provided, clears all.

Example:

"httpRequest": { "path": "/api/users" } }

mockserver_reset

Perform a full reset of MockServer, clearing all expectations and recorded requests.

Parameters: None

mockserver_retrieve_requests

Retrieve recorded requests from MockServer.

Parameters:

httpRequest (optional): Request matcher to filter recorded requests

Example:

"httpRequest": { "method": "GET" } }

mockserver_status

Get MockServer connection status and configuration.

Parameters: None

Why Mocking?

API mocking enables early testing — start building and testing your frontend or integrations before the backend is ready. No more waiting. Ship faster.

Requirements

Node.js >= 18.0.0
A running MockServer instance

License

MIT

MCPClientMock

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

Values you fill in

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Otheri

Common questions

Alternatives

Spec Driven Development

Remote Desktop Commander

Detailing Manager

README from the maker

mockserver-mcp

Prerequisites

Installation

Using npx (recommended)

Global installation

Configuration

Environment Variables

MCP Client Configuration

Available Tools

mockserver_create_expectation

mockserver_verify

mockserver_clear

mockserver_reset

mockserver_retrieve_requests

mockserver_status

Why Mocking?

Requirements

Links

License