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MCP Impostor Host
Supports UIby apollographql
Test host for MCP Apps that impersonates real hosts like Claude Desktop for end-to-end testing.
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Works in:claude
Exposes:ToolsResources
What it does
MCP Impostor Host is a specialized testing utility that simulates the environment of a real MCP Apps host. It allows developers to verify that their MCP Apps behave correctly when integrated with clients like Claude Desktop without needing to manually configure the actual client for every test run.
Key features
- Impersonates real MCP host behavior for high-fidelity testing.
- Supports end-to-end testing workflows for MCP App development.
- Provides a controlled environment to verify tool and resource interactions.
- Integrates with Playwright for automated UI and functional tests.
Installation
- Claude Desktop: This tool is a host itself; it is used to test apps that would normally be installed in Claude Desktop.
- Local:
npm install @apollo/mcp-impostor-host
Supported hosts
Claude
Quick install
npm install @apollo/mcp-impostor-hostInformation
- Pricing
- free
- Published
- 4/13/2026
- stars
