MCP.so
Sign In

mcp-chat

@flux159

About mcp-chat

Open Source Generic MCP Client for testing & evaluating mcp servers and agents

Basic information

Category

AI & Agents

License

MIT

Runtime

node

Transports

stdio

Publisher

flux159

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "mcp-chat": {
      "command": "npx",
      "args": [
        "mcp-chat",
        "--server",
        "npx -y @modelcontextprotocol/server-filesystem /Users/$USER/Desktop"
      ]
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is mcp-chat?

mcp-chat is an open source generic MCP client for testing and evaluating MCP servers and agents. It provides a CLI and web interface for interacting with MCP servers through an LLM.

How to use mcp-chat?

Run via npx mcp-chat with flags like --server, --config, --web, -m (model), -p (prompt), or --system (system prompt). Requires the ANTHROPIC_API_KEY environment variable set. For web mode, use --web and configure servers through the UI.

Key features of mcp-chat

  • Run CLI in interactive mode or with -p flag
  • Web mode for chatting via a web interface
  • Connect to any MCP server (JS, Python, Docker)
  • Choose between Anthropic models with -m
  • Customize system prompt with --system
  • Saves chat history to ~/.mcpchat/chats

Use cases of mcp-chat

  • Test MCP servers during development (local builds)
  • Run one‑off prompts with MCP servers (e.g., Kubernetes)
  • Interactive chat with an LLM and connected tools
  • Debug tool call output and arguments

FAQ from mcp-chat

What LLM models are supported?

Currently only Anthropic models (e.g., claude-3.5) are supported.

How do I connect to a local MCP server?

Use --server with a command (e.g., npx mcp-server-kubernetes) or pass a local script (e.g., node /path/to/index.js or uv run weather.py).

Where is chat history saved?

Chats are saved in ~/.mcpchat/chats (both CLI and web mode).

Can I run mcp-chat without a CLI server argument?

Yes, in web mode (--web) you can dynamically configure MCP servers via the UI.

Do I need an API key?

Yes, set the ANTHROPIC_API_KEY environment variable or place it in a .env file.

Comments

More AI & Agents MCP servers