Mcp mock client

Skill a5c-ai/babysitter/library/specializations/cli-mcp-development/skills/mcp-mock-client

Create mock MCP client for server testing with request/response simulation.From its SKILL.md

Install

npx -y skills add a5c-ai/babysitter --skill mcp-mock-client

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

SKILL.md

1.4 KB, 233 tokens by cl100k_base, as published. Nobody here has run it

MCP Mock Client

Create mock MCP client for server testing.

Generated Patterns

import { Client } from '@modelcontextprotocol/sdk/client/index.js';
import { StdioClientTransport } from '@modelcontextprotocol/sdk/client/stdio.js';
import { spawn } from 'child_process';

export async function createTestClient(serverCmd: string, args: string[]) {
  const proc = spawn(serverCmd, args, { stdio: ['pipe', 'pipe', 'inherit'] });
  const transport = new StdioClientTransport({ reader: proc.stdout!, writer: proc.stdin! });
  const client = new Client({ name: 'test-client', version: '1.0.0' }, { capabilities: {} });
  await client.connect(transport);
  return { client, close: () => proc.kill() };
}

export async function testTool(client: Client, name: string, args: Record<string, unknown>) {
  const result = await client.callTool({ name, arguments: args });
  return result;
}

Target Processes

mcp-server-testing-suite
mcp-tool-implementation

What ships with it: 1 file

147 B alongside SKILL.md

README.md147 B

SKILL.md

MCP Mock Client

Generated Patterns

Target Processes

What ships with it: 1 file

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